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The Cyber Threat Perspective

Episode 29: Critical Vulnerabilities You WON’T Find Using Nessus

Feb 22, 2023
Explore the dark side of vulnerability management as the hosts discuss the limitations of tools like Nessus. Discover how overlooked vulnerabilities can be exposed through methods like penetration testing and source code review. Learn the importance of proactive security assessments before deployment. Delve into the complexities of red teaming and the significance of internal cybersecurity processes. Uncover hidden risks associated with application servers that typical scans might miss, emphasizing a comprehensive cybersecurity strategy.
32:30

Podcast summary created with Snipd AI

Quick takeaways

  • Vulnerability scanners like Nessus are limited in detecting unknown or complex vulnerabilities due to their signature-based detection methodology.
  • To enhance security postures, organizations should integrate additional methods such as penetration testing and source code reviews alongside automated vulnerability scanning.

Deep dives

Understanding Vulnerability Management

Vulnerability management is crucial for a robust security program, and it encompasses much more than just scanning for vulnerabilities. Scanning is an important component but should not be the sole focus, as many critical vulnerabilities can be missed by automated tools. For instance, a well-known limitation is vulnerability scanners' reliance on signatures, which means they cannot detect zero-day vulnerabilities because no signatures are available at the time of discovery. Effective vulnerability management includes a diverse set of techniques beyond scanning, such as penetration testing and source code reviews, to find vulnerabilities that may otherwise go unnoticed.

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