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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.

March 11, 2022

Behind the Scenes: How We Picked 2021’s Top Vulnerabilities – and What We Left Out

The 2021 Threat Landscape Retrospective explored the top five vulnerabilities of the year. Learn about other high-impact vulnerabilities that nearly made our list. When putting together the Threat Landscape Retrospective (TLR) for 2021, the Security Response Team had a particularly difficult chal...


March 8, 2022

The GCP Shared Responsibility Model: Everything You Need to Know

Do you know what your organization is accountable for under the Google Cloud Platform shared responsibility model?...


March 8, 2022

Microsoft’s March 2022 Patch Tuesday Addresses 71 CVEs (CVE-2022-23277, CVE-2022-24508)

<p>Microsoft addresses 71 CVEs in its March 2022 Patch Tuesday release, including three vulnerabilities that were publicly disclosed as zero-days.</p>...


March 3, 2022

CNAPP: What Is It and Why Is It Important for Security Leaders?

A Cloud-Native Application Protection Platform (CNAPP) offers four key benefits to reduce risk and improve visibility. Here’s what you need to know....


March 1, 2022

3 Cloud IAM Security Questions You Must Be Able to Answer

It doesn’t matter if it’s AWS, GCP or Azure IAM, cloud deployment is redefining the work of IAM professionals....


February 24, 2022

Government Advisories Warn of APT Activity Resulting from Russian Invasion of Ukraine

Government agencies publish warnings and guidance for organizations to defend themselves against advanced persistent threat groups. As governments around the world call for heightened cyber vigilance, the reality of our digital world comes into stark relief: there are no boundaries when it come...


February 17, 2022

Tenable’s Acquisition Of Cymptom: An “Attack Path-Informed” Approach to Cybersecurity

Tenable’s recent acquisitions all had the same overarching goal: helping our customers gain better security insights across their cyberattack surface....


February 16, 2022

Cloud Identities and the Not So Long and Slightly Winding Road to Governance

A look at Forrester’s roadmap for the deployment and use of CIG to decrease the cloud threat surface and the costs of cloud data protection....


February 15, 2022

Log4Shell: A Tale of Two Detection Techniques

Endpoint detection and response (EDR) can only take you so far in identifying Log4j exploit attempts. Here&rsquo;s why dynamic checks are needed to uncover vulnerable versions of Log4j....


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