Tenable blog
ConfusedComposer: A Privilege Escalation Vulnerability Impacting GCP Composer
Frequently Asked Questions About Model Context Protocol (MCP) and Integrating with AI for Agentic Applications
The emergence of Model Context Protocol for AI is gaining significant interest due to its standardization of connecting external data sources to large language models (LLMs). While these updates are good news for AI developers, they raise some security concerns. In this blog we address FAQs about MC...
Stronger Cloud Security in Five: The Importance of Cloud Configuration Security
Mismanaging configurations in your multi-cloud environment can put you at an elevated risk for cyber attacks. In the first installment of our “Stronger Cloud Security in Five” blog series, we outline five best practices for boosting your cloud configuration management....
Microsoft’s April 2025 Patch Tuesday Addresses 121 CVEs (CVE-2025-29824)
Microsoft addresses 121 CVEs including one zero-day which was exploited in the wild....
How To Implement Just-In-Time Access: Best Practices and Lessons Learned
With the just-In-time (JIT) access control method, privileges are granted temporarily on an as-needed basis. This reduces static entitlements, lowering the risk of compromised accounts and preventing privilege creep. In this blog, we’ll share how we implemented JIT access internally at Tenable using...
Five Steps to Move to Exposure Management
Each Monday, the Tenable Exposure Management Academy provides the practical, real-world guidance you need to shift from vulnerability management to exposure management. In this post, we explore the five steps to take on your journey to exposure management....
Cybersecurity Snapshot: SANS Recommends Six Controls To Secure AI Systems, While NCSC Warns About Outdated API Security Methods
Check out the security controls that SANS Institute says are essential for protecting your AI systems. Plus, the U.K. NCSC urges organizations to adopt newer API security practices. In addition, CISA and other cyber agencies warn that attackers are using “fast flux” techniques to conceal their actio...
How To Harden GitLab Permissions with Tenable
If your organization uses GitLab for managing your software development lifecycle, you must ensure you’re not misconfiguring the permissions of this open source DevSecOps platform. Doing so can expose your source code, along with sensitive data, while creating security risks. In this blog, we’ll exp...
ImageRunner: A Privilege Escalation Vulnerability Impacting GCP Cloud Run
Tenable Research discovered a privilege escalation vulnerability in Google Cloud Platform (GCP) that is now fixed and which we dubbed ImageRunner. At issue are identities that lack registry permissions but that have edit permissions on Google Cloud Run revisions. The vulnerability could have allowed...
Cybersecurity Leaders Share Three Challenges Exposure Management Helps Them Solve
Each Monday, the Tenable Exposure Management Academy provides the practical, real-world guidance you need to shift from vulnerability management to exposure management. In this blog, we share three challenges cybersecurity leaders say exposure management helps them solve....
