The Perils of Threat Intelligence Feed Poisoning: The Importance of Proper Curation and Validation of Artifacts

As organizations adapt to the ever-changing cyber threat landscape, they increasingly depend on threat intelligence feeds to remain informed about the latest malicious activities and safeguard their digital assets. These feeds provide real-time, actionable information on a variety of cyber threats, encompassing elements such as IP addresses, domains, malware hashes, and email addresses. However, the very resource designed to protect an organization can also become its Achilles’ heel when threat actors poison these feeds, potentially compromising networks and systems. In this blog post, we delve into the significance of proper curation and validation of artifacts as a means to counter the risks linked to threat intelligence feed poisoning.

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Responsible Usage of ChatGPT in Large Organizations: Ensuring Ethical and Secure AI Practices

Artificial Intelligence (AI) has made significant advancements in recent years, with ChatGPT by OpenAI emerging as one of the most popular language models. Its potential to enhance productivity and efficiency across a wide range of tasks is undeniable. However, as large organizations increasingly adopt this technology, it is essential to ensure responsible and ethical usage. In this blog post, we discuss the key points to consider when using ChatGPT in a large organization, focusing on security, reliability, and ethical concerns.

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Léargas Security with AI – The Dawn Of A New Age In Cybersecurity

For a long time, “artificial intelligence” has been a popular buzzword in the cybersecurity sector, boasting solutions capable of detecting suspicious network activities, rapidly understanding the situation, and assisting in incident response upon an intrusion. However, the most effective and reliable services so far have been machine learning algorithms designed to identify malware traits and other questionable network behaviors. Now, with the increasing availability of generative AI tools, Léargas Security has finally developed a service for security professionals that lives up to the hype.

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Léargas Security Sponsors NRECA 2023 Co-op Cyber Tech

Léargas Security, a leading cybersecurity firm, has made a name for itself by providing top-notch security solutions and services to clients worldwide. With a focus on innovation, Léargas Security stays ahead of emerging threats by continuously updating its strategies and techniques. The company’s dedication to excellence has made it the perfect partner for NRECA in the 2023 Co-Op Cyber Tech Conference.

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Léargas Security with AI: The Cost Factor

With the increasing number of cyber-attacks and the ever-changing threat landscape, there is a growing demand for cybersecurity analysts who can effectively protect computer systems and networks. However, the shortage of skilled cybersecurity professionals is a major challenge that many organizations face. Artificial Intelligence (AI) has emerged as a potential solution to this problem, and its importance in the strategic shortening of skills gaps in cybersecurity analysts cannot be overstated. That is why Léargas Security has leveraged ChatGPT for strategically shortening the knowledge gap.

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Leveraging ChatGPT To Close The Knowledge Gaps

Cybersecurity threats are increasingly becoming more frequent, sophisticated, and complex, and companies are struggling to keep up with the pace. With the rise of the internet, the number of attacks has grown exponentially, and attackers are continuously finding new ways to bypass traditional security measures. As a result, the demand for security analysts has increased drastically, however, there is a significant shortage of qualified professionals to fill these positions.

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What Is SecOps and What Is The Value Of SecOps To Organizations?

As organizations continue to embrace digital transformation, software development has become a critical part of their operations. However, with the rise of cyber threats and data breaches, security has become a top concern for many organizations.

This is where SecOps comes in…

A methodology that integrates security practices into the DevOps process.

SecOps is a collaborative approach that brings together security professionals, developers, and operations teams to ensure that security is incorporated throughout the entire software development lifecycle. By integrating security into the development process, SecOps helps to identify and address security vulnerabilities earlier, reducing the likelihood of security breaches and data leaks.

So, what is the value of SecOps to organizations? Let’s take a look:

Enhanced Security

One of the primary benefits of SecOps is enhanced security. By incorporating security into the development process, organizations can identify and address security vulnerabilities earlier in the development lifecycle. This means that security issues can be remediated before they become major problems, reducing the likelihood of security breaches and data leaks.

Faster Time to Market

In today’s fast-paced business environment, time to market is critical. SecOps helps teams to identify and resolve security issues earlier in the development cycle, reducing delays and accelerating time to market. By reducing the time it takes to get products and services to market, organizations can stay ahead of the competition and meet the needs of their customers more effectively.

Improved Collaboration

SecOps fosters collaboration between security, development, and operations teams, breaking down silos and enabling teams to work together more effectively. This collaboration helps to ensure that security is integrated into the development process from the outset, rather than being an afterthought. By working together, teams can identify and address security issues more effectively, reducing the likelihood of security incidents and data breaches.

Cost Reduction

Early identification and remediation of security vulnerabilities can save organizations money in the long run. By identifying and addressing security issues earlier in the development process, organizations can avoid costly security incidents and data breaches. This can result in significant cost savings, as well as reducing the risk of reputational damage.

Regulatory Compliance

Finally, SecOps helps organizations to meet regulatory requirements and standards, such as GDPR, HIPAA, and PCI DSS, by incorporating security into the software development process from the outset. By ensuring that security is integrated into the development process, organizations can avoid costly fines and penalties for non-compliance.

SecOps is a powerful approach to security that can help organizations to build more secure software, reduce costs, and accelerate time to market. By integrating security into the development process, organizations can identify and address security vulnerabilities earlier, reduce the risk of security incidents and data breaches, and meet regulatory requirements and standards. As organizations continue to embrace digital transformation, SecOps will become an increasingly critical part of their operations.

At Léargas Security, we provide several integration points for SecOps and SDLC.

Reach out and ask how we can help you, today!

The Importance of Normalization and Scoring of Threat Intelligence Artifacts

In the present-day, interconnected world, businesses confront an expanding threat landscape. To safeguard themselves from cyber threats, organizations rely on threat intelligence, which is one of the most valuable tools available. However, the effectiveness of threat intelligence hinges on the quality of its data. That’s why normalization and scoring of threat intelligence artifacts are two indispensable procedures that guarantee high-quality data.

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Visibility and Log Fidelity – Recommendations

In the world of cybersecurity, adequate visibility and log fidelity are critical components in ensuring the necessary security of your organization’s assets. As cyber threats continue to evolve and become more sophisticated, it’s essential to have a comprehensive view of your many networks, cloud assets, and endpoints, provides and the ability to identify potential security incidents quickly.

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Breaking these components down, “Visibility” refers to the level of insight you have into your organization’s activity. This insight includes understanding how your network operates, what devices are connected to it, and the types of traffic flowing through it. In essence, visibility provides a complete picture of your organization’s landscape, allowing you to identify and address potential security issues proactively. Adequate amounts of log fidelity will be required to raise the confidence in the assertions made by the analyst.

“Log fidelity”, on the other hand, refers to the accuracy and completeness of the data collected. It’s essential to collect logs from various devices in your organization to ensure that you have a complete picture of the activity. Log fidelity allows you to trace activity and identify potential security incidents with precision and speed.

Adequate amounts of log fidelity will be required to raise the confidence in the assertions made by the analyst, and more will always be better.

One might desire to collect the highest-fidelity of logs, but there are significant pros and cons to be considered.  Some of the most important ones are outlined below.

Pros

  1. Improved troubleshooting
    Increasing log verbosity can provide more detailed information about system operations, making it easier to identify and diagnose issues.
  2. Better understanding of system behavior
    With more detailed logs, it’s easier to understand how a system is behaving, providing valuable insights into its operation.
  3. Improved security
    Detailed logs can provide security teams with more information about potential security incidents, making it easier to identify and respond to them.
  4. Improved performance
    In some cases, increasing log verbosity can help identify performance issues that might have gone unnoticed with less detailed logs. This is effectively implementing a SNR (Signal-To-Noise Ratio).

Cons

  1. Increased storage requirements
    More detailed logs require more storage space, which can be a concern for systems with limited disk space.
  2. Licensing costs
    Many SIEMs are built on a pricing model that could significantly increase the cost of platform, as the total volume of logs will increase.
  3. Increased processing overhead
    Generating more detailed logs can require additional processing overhead, which can impact system performance.
  4. Reduced performance
    In some cases, increasing log verbosity can cause a system to slow down, especially if there is a high volume of log data.
  5. Privacy concerns
    Detailed logs can contain sensitive information, which can pose privacy concerns if not handled properly.

Together, visibility and log fidelity provide a powerful tool for cybersecurity professionals to protect their organization from potential threats, but they must be properly tuned. Without adequate visibility, it’s challenging to know what’s happening within your organization, making it difficult to identify potential security incidents and manage the security posture. Similarly, without log fidelity, it’s challenging to trace activity and identify the root cause of a security incident.

Here are some recommendations for log levels in cybersecurity:

  1. Use a consistent log level system
    It’s essential to use a consistent log level system across all devices and applications in your network. This ensures that all logs are categorized and prioritized in a consistent manner, making it easier to identify potential security incidents. Normalizing the log data in the earlier stages of collection will likely reduce the TCO (Total Cost of Ownership) of the platform.
  2. Use a minimum of three log levels
    It’s recommended to use a minimum of three log levels: information, warning, and error. This provides a basic framework for identifying potential issues while keeping log files manageable. Where possible, consider formatting the logs in JSON (JavaScript Object Notation) as it can lower the cost of normalization between other logs.
  3. Define log levels based on severity
    Define log levels based on the severity of an event or activity being logged. This ensures that the most critical events are identified and addressed promptly.
  4. Define thresholds for log levels
    Define thresholds for each log level based on the severity of the event or activity being logged. For example, a warning log may be generated when a device is running low on storage space, and an error log may be generated when a device has encountered an error.
  5. Define retention
    Define the period of time that log data is kept and available for analysis. Retention policies define the length of time that log data is stored and are typically based on compliance requirements or organizational needs.
  6. Monitor logs in real-time
    It’s recommended to monitor logs in real-time to detect potential security incidents promptly. This can be done using Léargas Security, which can alert security teams when critical events occur.
  7. Regularly review and analyze logs
    Regularly reviewing and analyzing logs can help identify potential security incidents that may have gone unnoticed. This can help security teams identify and address vulnerabilities and threats before they cause significant damage.

Log levels play a critical role in cybersecurity by providing information on the severity of an event or activity being logged. By using a consistent log level system, defining log levels based on severity, and regularly reviewing and analyzing logs, security teams can identify and address potential security incidents proactively. By monitoring logs in real-time and using automated tools, security teams can detect and respond to potential security incidents promptly, minimizing the impact of a security breach or data loss incident.

At Léargas Security, our goal is to work with our customers to determine their operational and regulatory needs, because it helps the organizations identify and manage security risks, comply with legal and regulatory requirements, establish effective security practices, and allocate resources effectively. By understanding their operational and regulatory needs, organizations can establish appropriate policies, procedures, and technical controls that mitigate risks and protect critical assets.

Need help? Contact us today at, [email protected]!

Inline Detections and Hunting: The Differences and Value Gained

The threat landscape is continually evolving and growing increasingly complex, therefore organizations must take a proactive approach to cybersecurity. Traditional security tools such as firewalls, intrusion detection systems (IDS), and antivirus software are no longer sufficient to protect against advanced threats. Inline security detections and threat hunting are two approaches that can help organizations to better detect and respond to security threats.

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