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Tenable blog

April 22, 2025

ConfusedComposer: A Privilege Escalation Vulnerability Impacting GCP Composer

Tenable Research discovered a privilege-escalation vulnerability in Google Cloud Platform (GCP) that is now fixed and which we dubbed ConfusedComposer. The vulnerability could have allowed an identity with permission (composer.environments.update) to edit a Cloud Composer environment to escalate privileges to the default Cloud Build service account. The default Cloud Build service account includes permissions to Cloud Build itself, as well as to Cloud Storage, Artifact Registry, and more.

August 9, 2023

Introducing ExposureAI in Tenable One: Meet the Future of Preventive Cybersecurity

The Tenable One Exposure Management Platform is already transforming how organizations practice preventive cybersecurity. Now, with the introduction of ExposureAI, users can unleash the full potential of generative artificial intelligence to stay one step ahead of attackers....


August 8, 2023

Secure Your AWS EC2 Instance Metadata Service (IMDS)

Read this review of IMDS, an important AWS EC2 service component, to understand its two versions and improve your AWS security....


August 8, 2023

Microsoft’s August 2023 Patch Tuesday Addresses 73 CVEs (CVE-2023-38180)

Microsoft addresses 73 CVEs, including one vulnerability exploited in the wild....


August 8, 2023

Password Management and Authentication Best Practices

Attackers are always looking for new ways to crack passwords and gain access to sensitive information. Keeping passwords secure is a challenging, yet critical task. Read this blog to learn several best practices for password management and authentication so you can keep your environment safe....


August 7, 2023

Tenable Cyber Watch: SEC Issues New Cyber Disclosure Rules, MITRE’s Most Dangerous Software Weaknesses, and more

This week’s edition of Tenable Cyber Watch unpacks the new cybersecurity disclosures rules from the U.S. Securities and Exchange Commission and looks at MITRE’s list of the most dangerous software weaknesses. Also covered: Cloud adoption by financial institutions continues to increase. What one stud...


August 4, 2023

Cybersecurity Snapshot: What, Me Worry? Businesses Adopt Generative AI, Security Risks Be Damned

Seduced by generative AI’s potential, organizations plunge ahead overlooking its pitfalls. Plus, check out a common flaw that puts web app data at risk. Also, why many zero day bugs last year were variants of known vulnerabilities. Moreover, find out the current cost of a data breach – ouch! And muc...


August 3, 2023

Avoiding the Security Potluck: Good Governance Helps You from Code to Cloud

What's involved in shifting cloud security responsibilities to the app development team with governance by the security team?...


August 3, 2023

AA23-215A: 2022's Top Routinely Exploited Vulnerabilities

A joint Cybersecurity Advisory collaborated on by multiple international agencies highlights the top routinely exploited vulnerabilities of 2022....


August 2, 2023

CNAPPgoat: The Multicloud Open-Source Tool for Deploying Vulnerable-by-Design Cloud Resources

Here’s all you need to know about CNAPPgoat, our open-source project designed to modularly provision vulnerable-by-design components in cloud environments....


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