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Managing Identity in Hybrid and Multi-Cloud Environments

Organizations adopt hybrid and multi-cloud environments to boost agility, optimize operational costs, and drive innovation. While these environments offer flexibility and scalability, they also introduce complexities that can challenge even the most advanced IT teams. One of the most significant hurdles is securely and efficiently managing identity and access across diverse platforms.

Maintaining robust security while providing seamless access to resources across public, private, and on-premises systems is critical to sustaining productivity and reducing security risks. Businesses must strike a delicate balance between enabling legitimate users to access systems and data easily while keeping unauthorized entities at bay. Achieving this balance requires advanced technology and strong policies and processes to manage user identities, authentication, and permissions consistently across all environments.

Understanding Hybrid and Multi-Cloud Environments

A hybrid cloud is a computing model that combines private (on-premises or private cloud) and public cloud services. It enables smooth data and application mobility between private and public clouds. This strategy allows organizations to keep sensitive data on-premises while taking advantage of the scalability and cost-effectiveness of public clouds for non-critical workloads.

On the other hand, a multi-cloud model uses two or more cloud services from different providers, such as AWS, Microsoft Azure, and Google Cloud Platform, simultaneously. This strategy helps organizations avoid vendor lock-in, improve resilience, and optimize performance by choosing the best solutions from each provider. However, this multi-vendor approach also introduces challenges in maintaining a cohesive security and identity management strategy.

Identity Management Challenges in Hybrid and Multi-Cloud Environments

  1. Fragmented Identity Systems: Different cloud providers often have distinct identity management systems, leading to fragmented identity data and inconsistent access policies. This fragmentation makes it difficult to implement uniform security measures and increases the potential for security gaps that attackers could exploit.
  2. Complex Authentication and Authorization: Balancing security with user convenience is challenging when managing multiple authentication mechanisms and access protocols across environments. Users may experience authentication fatigue if they need to log in separately to each cloud service, leading to weaker security practices such as password reuse.
  3. Lack of Centralized Visibility: Security teams may struggle to gain a holistic view of identities, permissions, and access activities across hybrid and multi-cloud environments. The lack of visibility makes it harder to detect irregular behavior and respond to security incidents promptly.
  4. Compliance and Governance: Adhering to regulatory requirements such as GDPR, HIPAA, SOC 2, and other industry-specific standards can be difficult when managing identities across diverse systems. Organizations must maintain consistent policies, access controls, and audit trails to meet compliance obligations and avoid costly penalties.
  5. Insider Threats and Privileged Access: Managing privileged accounts and preventing misuse by internal actors is critical to reducing security risks. Poorly managed privileged access can lead to data breaches, financial loss, and reputational damage if insiders abuse their access rights.

Best Practices for Identity Management

  • Implement a Unified Identity Platform: Adopt solutions like Identity as a Service (IDaaS) or hybrid identity platforms to centralize identity management across cloud and on-premises environments.
  • Enforce Strong Authentication: Use multi-factor authentication (MFA) and passwordless authentication to enhance security while maintaining a smooth user experience. MFA helps reduce the risk of unauthorized access, even if credentials are compromised.
  • Leverage Single Sign-On (SSO): SSO solutions enable users to access multiple applications with single credentials, reducing password fatigue and improving security. By integrating SSO with robust authentication protocols, organizations can streamline access management without compromising security.
  • Adopt Role-Based Access Control (RBAC): Define roles and permissions based on job functions to ensure users only have access to the resources necessary for their roles. Implementing the principle of least privilege ensures that users and applications operate with the minimum levels of access required.
  • Monitor and Audit Access Activities: Regularly review identity logs and access patterns to detect anomalies and respond to potential threats quickly. Artificial intelligence and advanced analytics can assist in identifying unusual access patterns and triggering automated responses to mitigate risks.

Effective identity management is a cornerstone of security and compliance in hybrid and multi-cloud environments. Managing identities in these dynamic environments is not just about technology—it requires a strategic approach that combines advanced solutions with strong governance and employee awareness. For more information on cybersecurity solutions, contact Centex Technologies at Killeen (254) 213 – 4740, Dallas (972) 375 – 9654, Atlanta (404) 994 – 5074, and Austin (512) 956 – 5454.

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Predictive Analytics in Cybersecurity Incident Management

Predictive analytics utilizes cutting-edge technologies such as machine learning (ML), artificial intelligence (AI), and big data analytics to examine historical data, detect trends, and forecast future events. In the realm of cybersecurity, predictive analytics enables organizations to anticipate potential threats and address vulnerabilities before they escalate.

Key Components of Predictive Analytics:

  1. Data Aggregation: Collecting information from diverse sources, including system logs, user activities, and network traffic.
  2. Pattern Recognition: Employing algorithms to uncover anomalies, trends, and possible risks.
  3. Threat Prediction: Estimating the probability and impact of future cyber incidents.
  4. Proactive Measures: Incorporating insights into incident response strategies to preemptively address potential issues.

The Role of Predictive Analytics in Cybersecurity Incident Management

Predictive analytics strengthens cybersecurity incident management by equipping organizations with the ability to:

  • Detect Emerging Threats: By processing extensive historical and live data, predictive analytics identifies new threats and potential attack methods. For example, recognizing the proliferation of a novel malware strain can help organizations prepare defenses in advance.
  • Prioritize Critical Risks: Not all security vulnerabilities are equally urgent. Predictive analytics evaluates the likelihood of exploitation and ranks vulnerabilities based on their severity, potential impact, and exposure.
  • Enhance Detection Capabilities: Traditional systems often depend on signature-based detection, which may miss new or evolving threats. Predictive analytics leverages behavioral and anomaly analysis to spot irregular activities, even subtle deviations from expected patterns.
  • Streamline Incident Response: Predictive models can suggest targeted actions depending on the nature and intensity of a threat. For instance, isolating a specific system or updating its defenses can mitigate an anticipated attack.
  • Optimize Resource Deployment: Armed with insights into potential threats, organizations can allocate resources efficiently, focusing on high-risk areas and ensuring critical assets are well-guarded. 

Benefits of Predictive Analytics in Cybersecurity

  1. Proactive Risk Mitigation: Predictive analytics transitions the focus from reacting to incidents to proactively preventing them. By anticipating threats, organizations can implement safeguards to minimize risks before they materialize.
  2. Minimized Disruptions and Costs: Identifying vulnerabilities and averting incidents reduces system downtime and the financial burden associated with cyberattacks.
  3. Data-Driven Decision Making: Predictive models generate actionable insights, empowering security teams to make well-informed decisions, prioritize tasks, and respond efficiently.
  4. Regulatory Compliance: Many regulations mandate robust cybersecurity measures. Predictive analytics helps organizations meet these requirements by identifying and addressing potential risks in advance.
  5. Enhanced Cyber Resilience: Organizations utilizing predictive analytics can create more robust cybersecurity frameworks capable of adapting to evolving threats and minimizing attack impacts.

Challenges in Implementing Predictive Analytics

Despite its advantages, implementing predictive analytics poses certain challenges:

  1. Data Quality and Completeness: The effectiveness of predictive analytics depends on the availability of precise and thorough data. Poor-quality or incomplete data can lead to incorrect predictions, reducing system reliability.
  2. Integration Complexity: Incorporating predictive analytics into existing cybersecurity infrastructures can be intricate, requiring significant expertise, time, and resources.
  3. Managing False Positives and Negatives: Predictive models are not foolproof. False positives may cause unnecessary disruptions, while false negatives can leave organizations exposed to undetected threats.
  4. Skills Gap: Deploying and maintaining predictive analytics systems necessitates skilled professionals proficient in both cybersecurity and data science.
  5. Financial Constraints: Advanced tools and technologies for predictive analytics can be costly, making them less accessible to small and medium-sized enterprises (SMEs).

Best Practices for Leveraging Predictive Analytics

Organizations can maximize the impact of predictive analytics in cybersecurity by following these recommended practices:

  • Prioritize Data Management

Ensure that data is accurate, complete, and regularly updated. Implement robust processes for collecting and managing data to support predictive models.

  • Utilize Advanced Algorithms

Employ sophisticated machine learning techniques to improve predictive model accuracy and efficiency. Continuously refine models with fresh data to enhance their performance.

  • Seamless Integration

Make sure predictive analytics tools integrate seamlessly with current cybersecurity systems, including intrusion detection systems (IDS) and security information and event management (SIEM) platforms.

  • Regular Model Updates

Monitor predictive models consistently and update them to reflect new vulnerabilities, threats, and attack techniques.

  • Foster Cross-Disciplinary Collaboration

Encourage collaboration between cybersecurity experts, data scientists, and IT teams to align predictive analytics efforts with organizational goals.

  • Promote Awareness and Education

Educate employees on the role of predictive analytics in enhancing cybersecurity and how their actions can support the system’s effectiveness.

Predictive analytics represents a groundbreaking shift in cybersecurity incident management, offering organizations the ability to foresee and mitigate threats before they occur. For more information on cybersecurity technologies, contact Centex Technologies at Killeen (254) 213 – 4740, Dallas (972) 375 – 9654, Atlanta (404) 994 – 5074, and Austin (512) 956 – 5454.

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Quantum Key Distribution (QKD) for Secure Communication

The need for secure communication has never been more critical. As cyber threats evolve and data breaches become increasingly sophisticated, traditional cryptographic methods face significant challenges. Quantum Key Distribution (QKD) emerges as a revolutionary solution, leveraging the principles of quantum mechanics to ensure unbreakable security.

What Is Quantum Key Distribution (QKD)

Quantum Key Distribution is a method of secure communication that uses quantum mechanics to generate and distribute encryption keys. Unlike classical cryptographic methods, which rely on mathematical complexity, QKD ensures security through the fundamental properties of quantum particles.

How QKD Works:

  1. Quantum Bits (Qubits): QKD uses qubits, the basic units of quantum information, to encode keys. These qubits can exist in multiple states simultaneously, a property known as superposition.
  2. Quantum Channels: QKD transmits qubits over quantum channels, typically optical fibers or free-space communication links.
  3. Measurement and Disturbance: The act of measuring a quantum state disturbs it. This property ensures that any eavesdropping attempt is detectable.
  4. Key Agreement: Once the key is securely transmitted, the sender and receiver compare a subset of their data to detect any interception.

Advantages of QKD

  1. Unconditional Security: QKD’s security is rooted in the laws of quantum mechanics rather than computational assumptions. Even with unlimited computational power, an attacker cannot decode the key without detection.
  2. Resistance to Quantum Computing Threats: As quantum computers advance, they pose a threat to classical encryption methods like RSA and ECC. QKD is inherently immune to such threats, making it a future-proof solution.
  3. Real-Time Eavesdropping Detection: QKD systems can detect eavesdropping attempts in real time. Any interception alters the quantum state of the qubits, alerting the communicating parties.
  4. Long-Term Data Security: Even if encrypted data is intercepted, QKD ensures that the encryption keys remain secure, rendering the data useless to attackers.

Challenges in Implementing QKD

Despite its advantages, QKD faces several challenges that need to be addressed for widespread adoption:

  1. Infrastructure Requirements: QKD requires specialized hardware, such as single-photon detectors and quantum channels. Deploying this infrastructure is costly and complex.
  2. Limited Range: Current QKD systems are limited by distance. Optical fiber-based QKD typically operates within 100–200 kilometers, requiring quantum repeaters for longer distances.
  3. Integration with Classical Systems: Integrating QKD with existing classical communication systems poses technical challenges, including compatibility and standardization.
  4. Environmental Sensitivity: Quantum signals are sensitive to environmental factors like noise and signal loss, which can affect their reliability.
  5. Cost: The high cost of quantum hardware and deployment limits the accessibility of QKD to large organizations and government entities.

Quantum Key Distribution represents a paradigm shift in secure communication, offering unparalleled protection against modern and future cyber threats. While challenges remain, ongoing research and development are paving the way for broader adoption of QKD. By embracing this cutting-edge technology, organizations can safeguard their data and communications, ensuring a secure digital future.

For more information on cybersecurity technologies, contact Centex Technologies at Killeen (254) 213 – 4740, Dallas (972) 375 – 9654, Atlanta (404) 994 – 5074, and Austin (512) 956 – 5454.

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Secure Code Review Techniques: Enhancing Software Security

With cyber threats evolving at a higher pace, ensuring the integrity and safety of software applications has become a top priority for organizations worldwide. One of the most effective strategies for bolstering software security is through rigorous secure code review techniques.

Importance of Secure Code Reviews

Secure code reviews play a pivotal role in identifying and mitigating security vulnerabilities and weaknesses within software applications. By scrutinizing the codebase line by line, developers can uncover potential security flaws, such as injection attacks, authentication bypasses, and data leakage vulnerabilities, before they manifest into serious security breaches. Moreover, incorporating secure code reviews early in the development process helps minimize the cost and effort associated with remediation later on, ultimately saving organizations time and resources in the long run.

Techniques for Conducting Secure Code Reviews

  1. Static Analysis Tools: Utilize static analysis tools to automatically scan source code for known security vulnerabilities and coding errors. These tools analyze code without executing it, enabling developers to identify potential issues such as buffer overflows, injection flaws, and insecure cryptographic implementations. 
  2. Manual Code Review: Supplement automated tools with manual code reviews conducted by experienced developers or security experts. Manual code reviews involve a detailed checking of code logic, architecture, and implementation details to uncover subtle vulnerabilities that automated tools may overlook. Developers should pay close attention to security best practices, such as error handling, input validation, and output encoding during manual code reviews.
  3. Threat Modeling: Employ threat modeling techniques to systematically identify potential security threats and attack vectors within the software application. By analyzing the system architecture and identifying potential security risks, developers can prioritize security controls and implement appropriate countermeasures to mitigate identified threats effectively. Threat modeling helps developers gain a deeper understanding of the security implications of design decisions and prioritize security efforts accordingly.
  4. Peer Review: Promote a collaborative culture among development teams, fostering peer review sessions to facilitate knowledge exchange and uphold code integrity and security. Peer reviews involve developers scrutinizing each other's code to ensure compliance with coding standards, best practices, and security guidelines. Encourage constructive feedback and dialogue during these sessions to detect and rectify potential security vulnerabilities at an early stage of the development cycle.
  5. Secure Coding Guidelines: Establish and enforce secure coding guidelines and standards to ensure consistency and adherence to security best practices across development teams. Provide developers with access to comprehensive documentation and resources outlining secure coding principles, common security vulnerabilities, and mitigation strategies. Incorporate security training and awareness programs to educate developers on secure coding practices and empower them to write secure code from the outset.

Best Practices for Integrating Secure Code Reviews

  1. Start Early, Review Often: Begin conducting secure code reviews early in the development lifecycle and continue to review code iteratively throughout the development process. By addressing security concerns proactively at each stage of development, developers can prevent security vulnerabilities from proliferating and minimize the risk of introducing new vulnerabilities later on.
  2. Automate Where Possible: Leverage automated tools and scripts to streamline the code review process and identify common security issues quickly. Automated tools can help detect potential vulnerabilities and coding errors efficiently, allowing developers to focus their efforts on more complex security challenges and design flaws.
  3. Collaborate Across Teams: Foster collaboration between development, security, and quality assurance teams to ensure comprehensive code reviews that address both functional and security requirements. Promote transparent communication and knowledge exchange among team members to harness diverse viewpoints and expertise in identifying and mitigating security risks.
  4. Document Findings and Remediation: Document the findings of code reviews, including identified vulnerabilities, recommended remediation steps, and any follow-up actions taken. Maintain a centralized repository of security-related documentation and track the progress of vulnerability remediation efforts to ensure accountability and transparency.
  5. Continuously Improve: Treat secure code reviews as an ongoing process of improvement and refinement. Regularly evaluate the effectiveness of code review techniques, tools, and processes and incorporate feedback from past reviews to enhance future reviews. Promote a culture of ongoing learning and refinement to remain informed about emerging security threats and evolving best practices.

As organizations continue to prioritize security in an increasingly interconnected world, mastering secure code review techniques remains essential for safeguarding sensitive data and protecting against evolving cyber threats. For more information on Secure Coding Practices and Enterprise Software Development, contact Centex Technologies at Killeen (254) 213 – 4740, Dallas (972) 375 – 9654, Atlanta (404) 994 – 5074, and Austin (512) 956 – 5454.

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Browser Security: Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF) Attacks

Browser security involves implementing protective measures to safeguard users' online activities and data. It encompasses various aspects, including secure design and coding practices, vulnerability patching, and user awareness. Robust browser security is crucial to prevent unauthorized access, data theft, and the exploitation of browser vulnerabilities by attackers.

Cross-Site Scripting (XSS) Attacks:

XSS attacks occur when malicious actors inject malicious code, usually JavaScript, into a website visited by users. The injected code executes within the victim's browser, compromising the integrity and confidentiality of user data. XSS attacks can be categorized into three types:

  1. Stored XSS: Malicious code is permanently stored on a web server and served to unsuspecting users whenever they access the compromised webpage.
  2. Reflected XSS: Malicious code is embedded in a URL or input field, tricking users into triggering its execution when visiting a specific URL orsubmitting a form.
  3. DOM-based XSS: The attack exploits vulnerabilities in the Document Object Model (DOM), manipulating client-side scripts to execute malicious code.

Preventing XSS Attacks:

To protect against XSS attacks, implement the following preventive measures:

  • Input Validation and Sanitization: Validate and sanitize all user-generated inputs, including form fields, URLs, and cookies, to ensure they do not contain malicious code. Implement server-side and client-side validation mechanisms.
  • Output Encoding: Properly encode output data before displaying it on web pages to prevent script execution. Utilize encoding techniques, such as HTML entity encoding, to neutralize potential XSS payloads.
  • Content Security Policy (CSP): Implement a Content Security Policy that defines the allowed sources of content, including scripts, stylesheets, and images. This mitigates the risk of XSS attacks by blocking the execution of unauthorized scripts.
  • HTTP-only Cookies: Set cookies as HTTP-only to prevent client-side scripts from accessing sensitive cookie data. This limits the impact of XSS attacks targeting session cookies.
  • Regular Security Patching: Keep browsers and browser plugins up to date with the latest security patches to address known vulnerabilities and minimize the risk of successful XSS attacks.

Cross-Site Request Forgery (CSRF) Attacks:

CSRF attacks exploit the trust established between a user's browser and a legitimate website. Attackers trick users into unknowingly performing unwanted actions on authenticated websites where they have an active session. CSRF attacks typically involve the following steps:

  • Victim Authentication: The victim logs in to a legitimate website, establishing a session.
  • Malicious Payload: The attacker crafts a webpage or an email containing a malicious payload that triggers an unintended action on the legitimate website.
  • Victim Interaction: The victim unknowingly interacts with the malicious payload, leading to the execution of unintended actions on the legitimate website.

Preventing CSRF Attacks:

To protect against CSRF attacks, follow these preventive measures:

  • Use CSRF Tokens: Implement CSRF tokens within web forms or as part of request headers. These tokens are unique to each session and prevent unauthorized requests from being processed.
  • Same-Site Cookies: Utilize same-site cookies, which restrict cookie usage to the same origin, preventing cross-origin requests and mitigating CSRF attacks.
  • Request Validation: Validate incoming requests on the server-side to ensure they originate from legitimate sources. Verify the presence and validity of CSRF tokens, check referrer headers, and implement additional validation checks to confirm the authenticity of requests.
  • Strict Access Control: Enforce strict access control mechanisms to ensure that sensitive actions, such as account updates or financial transactions, require explicit user consent or authentication.
  • Anti-CSRF Tokens in APIs: When building APIs, include anti-CSRF tokens in requests that modify server-side data. This ensures that only authorized requests can make changes to the backend systems.
  • User Education: Educate users about the risks of CSRF attacks and encourage best practices such as not clicking on suspicious links or opening attachments from unknown sources. Promote browser security awareness and encourage users to keep their browsers and plugins updated.

Additional Browser Security Best Practices:

In addition to protecting against XSS and CSRF attacks, consider implementing these best practices to enhance browser security:

  • Secure Communication: Use secure HTTPS connections for all web traffic to encrypt data transmission between browsers and servers, preventing eavesdropping and data tampering.
  • Content and Ad Blockers: Install reputable content and ad blockers to filter out potentially malicious or unwanted content, reducing the risk of encountering malicious scripts or infected advertisements.
  • Browser Extensions: Carefully review and vet browser extensions before installation. Limit the number of installed extensions, as they can introduce security vulnerabilities and compromise privacy.
  • Disable or Limit Plug-ins: Disable or limit the use of browser plugins that are not essential. Plugins such as Flash and Java have historically been prone to security vulnerabilities.
  • Regular Updates: Enable automatic updates for browsers and plugins to ensure the latest security patches and bug fixes are promptly applied.
  • Use Strong, Unique Passwords: Encourage users to create strong, unique passwords for their online accounts and consider utilizing a password manager to securely store and manage credentials.

Browser security plays a crucial role in protecting users from various cyber threats, including XSS and CSRF attacks. For more information, contact Centex Technologies at Killeen (254) 213 – 4740, Dallas (972) 375 – 9654, Atlanta (404) 994 – 5074, and Austin (512) 956 – 5454.

 

 

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Why Identity Theft Has Become A Bigger Threat?

In 2021, 5.7 million fraud reports were received by FTC and Identity Theft was the top fraud category followed by Imposter Scams. In an alarming survey, it has been reported that Americans incurred a loss of $5.8 billion from identity theft in 2021. (Source: https://identitytheft.org/statistics/)

What is Identity Theft & Why has It Emerged as A Big Threat?

Identity Theft or more popularly known as ID Theft is when someone steals the identity of victim and uses it to commit a fraud. This is very commonly linked with financial frauds such as taking credit or loans while there might be other reasons as well. Threat actors may also use stolen identity to hamper victim’s reputation.

There are many types of Identity Thefts:

  1. Financial Identity Theft is the most common type of identity theft where threat actors use victim’s identity or financial information to buy products or take credit.
  2. Social Security Theft is when threat actors get access to victim’s Social Security Number and use this information to apply for loans or receive benefits such as disability, free medical care, etc.
  3. Synthetic Identity Theft is an advanced type of identity theft where the fraudsters combine information from stolen identity with fake information to build a new identity. This identity is then used to commit crimes such as money laundering.

Some other reasons for identity theft include filing fake tax returns, avoiding criminal conviction, etc.

Although identity theft has been a problem since long, but the threat has escalated many folds in recent times. There are many reasons that contribute to the increase in the number of identity theft cases.

  1. Rise in Cyber Attacks: In earlier days, identity theft was made possible by stealing wallet, credit cards, or physical documents. But with increasing use of internet and digital resources, identity thieves now employ cyber attack techniques to gain access to personal & financial information of the victim. Phishing is one of the most commonly used methods where fraudsters send an email or message to the victim, posing to be a bank or tax official. The email or message is personalized to motivate the victim to click on the malicious link contained in the message. The link then navigates the victim to a spoof website where the victim is asked to provide personal and financial details. These details are sent to the threat actors. The ease of stealing the credentials has contributed to the rise in number of identity theft cases.
  2. Social Media: Social media has become an alter-universe as more than 4.48 billion people use social media around the globe. It has become an inherent habit for users to share photos and videos from their daily life on social media. While this helps in staying connected with your friends & family, over sharing on social media has become a problem. The fraudsters track and analyze the social media posts of their victim to draw a daily activity map. Social media tags also let the fraudsters know about the victim’s friends, family, place of work, etc. This makes it very handy for them to build a fake identity of the victim and use it.
  3. Saving Financial Information Online: Online shopping has become the new normal! While it is easy, it also adds to the threat of identity theft. It is common for users to save their credit card details, address, & personal information online to avoid the hassle of filling in the details every time. However, in case the server of online store is hacked, it can lead to the theft of these details.

For businesses, it is important to safeguard their customer and vendor information to prevent financial repercussions in case of data theft.

To know more about identity thefts and how to protect your business from cyberattacks, you can contact Centex Technologies at Killeen (254) 213 - 4740, Dallas (972) 375 - 9654, Atlanta (404) 994 - 5074, and Austin (512) 956 – 5454.

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Understanding Cyber Threat Hunting

Despite deploying security precautions to protect their networks from cyberattacks, numerous firms have experienced network breaches. Nowadays, threat actors use complex and sophisticated tactics to infiltrate a network, the impact of which may not be mitigated by traditional methods. The proactive procedure of checking the network for any hostile activity is referred to as cyber threat hunting.

Cyber threat hunting and cyber threat intelligence

Continuously monitoring the network for suspicious activity and gaps in the organization's ecosystem is required for cyber threat hunting. By analyzing previous data from a variety of sources, cyber threat hunting techniques keep a watch for potential new risks. Threat hunting techniques can discover, identify, and fix security flaws, vulnerabilities, and malicious behavior that normal security measures frequently fail to detect.

How to start hunting threats inside the Cyber or IT infrastructure?

Proactive preparation is the key to success in cyber security operations. It is critical to establish a solid foundation before beginning to develop the cyber threat hunting program.

A business is advised to take the following actions

  • Plan a cyber-threat hunting program - To begin cyber threat hunting, map the security process to any existing security model, such as the MITRE ATT&CK architecture. It is also recommended that the security posture be assessed to see how vulnerable the organization is to hazards and attacks.
  • Maturing the threat hunting program - After determining the level of cyber maturity, the next step is to decide whether the cyber threat hunting process should be carried out internally, externally, or a combination of both.
  • Identifying and addressing gaps in tool and technology implementation -  Analyze the current tools and determine what is required for successful threat hunting and the effectiveness of preventative technology.
  • Identifying and addressing security personnel training gaps - Threat detection necessitates the skills of an expert. If the organization lacks experienced internal specialists, it is recommended to use a third-party source.
  • Adoption of a cyber-threat hunting strategy - Any firm must have a solid cyber threat hunting strategy which can help in mitigating the impact of cyberattacks on its infrastructure.

What kind of professionals can perform active cyber threat hunting?

Cyber threat hunting calls for knowledge of all the systems and data in use at the firm. This has to be combined with exquisite expertize in threat intelligence analysis, reverse engineering and malware analysis. Threat hunters must also be excellent communicators who can present their results and contribute to the business case for sustained threat hunting resources. It is preferable to put together a team of curious, analytical issue resolvers who have these talents and are motivated to further improve them. The willingness to keep learning is another essential quality of effective cyber threat hunters. Cyber threats are continuously changing, thus threat hunters must be dedicated to keeping their knowledge current by following researchers, participating in online groups, and attending industry forums, which enables them to learn about new strategies.

Advanced next-generation technology and human professionals work in unison to create an effective threat hunting process. To find any potential risks and harmful activity, the threat hunters need investigation tools and other inputs. These tools make it possible for threat hunters to find and examine the risks. For example, XDR (Extended Detection and Response) collects all the signals from the IT ecosystem and EDR (Endpoint Detection and Response) delivers inputs from the endpoint solution. These tools aid in the earlier identification of any possible threats.

Cyber threat hunters should be aware of the automated procedures, alarms, and behavior analyses that have already been run on the data to avoid duplicating work. Threat hunting may go down a lot of rabbit holes, therefore it demands agility. However, there should be a structured framework in place to direct the hunt and allow for any necessary withdrawal from the rabbit holes.

Contact Centex Technologies for more information on cyber threat hunting. You can contact Centex Technologies at Killeen (254) 213 - 4740, Dallas (972) 375 - 9654, Atlanta (404) 994 - 5074, and Austin (512) 956 – 5454.

 

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What Is Cache Poisoning?

Cache poisoning is also known as DNS cache poisoning. DNS or Domain Name System is a system that translates man-readable internet addresses into machine language numeric addresses. These numeric addresses are known as IP addresses. 

When a user tries to access a website via his browser, the browser forwards the request to the DNS server. The DNS then looks up the corresponding IP address and reverts to the request. The browser receives the IP address and uses it to load the website or domain requested by the user. 

DNS remembers the requests and stores the requested IP addresses in its memory. It helps the server reduce the revert time if the same domain request is received in the future.

This system nullifies the need to remember complex IP addresses associated with a webpage. Humans can remember the domain name, and DNS does the translation for the computer. However, the system has some loopholes that allow the hackers to carry out Cache Poisoning attacks.

What is Cache poisoning? 

DNS Cache poisoning refers to adding an incorrect entry to the DNS Cache. Here is the most common process followed by hackers for cache poisoning.

  • A browser submits a requester to the DNS resolver
  • Hackers build a dupe DNS nameserver that matches the authentic domain 
  • When the DNS resolver contacts the nameserver, hackers respond to the request via a fake nameserver
  • The DNS resolver receives this response and forwards it to the requesting browser
  • The fake response is stored in the DNS cache for future reference 
  • Every time a user requests for this domain, he is redirected to the incorrect domain stored in cache memory

The success of this type of cache poisoning is that DNS uses UDP (User Datagram Protocol) rather than TCP (Transmission Control Protocol). UDP does not verify the identity of the parties involved in the conversation. Hackers can easily alter the heading of UDP requests and respond to the request under pretend of a trusted DNS server. 

There are several vulnerabilities that hackers can exploit for implementing a DNS cache poisoning attack. Some of these vulnerabilities are:

  • Lack of identity verification and validation
  • Recursive DNS server vulnerability (forged information spreads from one DNS server to another)
  • Unencrypted DNS protocol

Cyber Security Risks Imposed by DNS Cache Poisoning:

DNS cache poisoning redirects a user to a fake and possibly malicious website. It may result in multiple cyber security risks.

  • Data theft
  • Malware infection
  • Delaying security updates
  • Censorship

Preventing DNS Cache Poisoning:

Once a forged entry is stored in DNS cache memory, it stays there until its Time To Live (TTL) expires. In the meantime, cache poisoning can spread to other DNS servers. So, it is required to delete the forged entry to prevent the DNS server from redirecting requests to the fake website.

Users can implement some measures to protect their server from cache poisoning attacks:

  • Business organizations should hire an IT professional to configure DNS servers rather than relying on relationships with other DNS servers. It will prevent hackers from using their DNS server to corrupt or influence an organization’s server.
  • Configure DNS server to run permitted services only. It limits the DNS server from running additional services not required by the organization. Limited exposure reduces the chances of an encounter with cache poisoning attacks.
  • Make use of an SSL/TLS certificate that binds the company’s details to a cryptographic key. It activates the HTTPS protocol to secure and encrypt the connection between the browser and your web server.

Centex Technologies provides cyber-security services & IT consultation to help businesses ward off cyber-attacks. To know more, contact Centex Technologies at Killeen (254) 213 - 4740, Dallas (972) 375 - 9654, Atlanta (404) 994 - 5074, and Austin (512) 956 – 5454.

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