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Tenable blog

August 11, 2025

Tenable Jailbreaks GPT-5, Gets It To Generate Dangerous Info Despite OpenAI’s New Safety Tech

Within just 24 hours of the release of OpenAI’s GPT-5, Tenable Research successfully managed to jailbreak the model by getting it to share detailed instructions for how to build an explosive. Our finding is concerning, given that OpenAI described GPT-5's prompt safety technology as significantly more sophisticated than the one used by its predecessors.

July 30, 2024

EU AI Act: Will your company be the next to face the average €20 million fine for violating the regulation?

The European Union Artificial Intelligence Act includes specific provisions to ensure the cybersecurity of high-risk AI systems. We break down key elements of the ruling and offer guidance on how to prepare your organization....


July 30, 2024

EPSS Shows Strong Performance in Predicting Exploits, Says Study from Cyentia and FIRST

Tenable sponsored research from Cyentia and FIRST, which finds that while vulnerability exploitation is highly variable, EPSS is getting stronger in its ability to predict exploitation. ...


July 26, 2024

Cybersecurity Snapshot: North Korea’s Cyber Spies Hunt for Nuclear Secrets, as Online Criminals Ramp Up AI Use in the EU

Check out a CISA-FBI advisory about North Korean cyber espionage on critical infrastructure orgs. Plus, what Europol found about the use of AI for cybercrime. Meanwhile, the risk concerns that healthcare leaders have about generative AI. And a poll on water plant cybersecurity. And much more!...


July 24, 2024

ConfusedFunction: A Privilege Escalation Vulnerability Impacting GCP Cloud Functions

Organizations that have used Google Cloud Platform’s Cloud Functions – a serverless execution environment – could be impacted by a privilege escalation vulnerability discovered by Tenable and dubbed as “ConfusedFunction.” Read on to learn all about the vulnerability and what your organization needs ...


July 23, 2024

Tenable’s Software Update Process Protects Customers’ Business Continuity with a Safe, Do-No-Harm Design

With the unprecedented tech outages experienced by so many of our customers over the last week, we recognize the need for deeper understanding of our software development processes and how they support global business continuity. In this blog post, we’ll outline how Tenable’s comprehensive approach ...


July 23, 2024

If You Only Have Five Minutes, Here’s CNAPP in a Snap (But We Have an eBook, Too)

If you’re a bit puzzled by all the talk about cloud native application protection platforms (CNAPPs), worry not. Our new eBook “Empower Your Cloud: Mastering CNAPP Security” explains in plain English what CNAPP is, how it works and why it’ll help you secure your cloud environment confidently. Read o...


July 22, 2024

Improving Your Cloud Security Using JIT Access for Sensitive SaaS Applications

Using just-in-time controls to secure access to your SaaS applications will reduce your cloud attack surface by avoiding permanent access and enforcing least privilege....


July 22, 2024

How To Do a Security Audit of Pimcore Enterprise Platform

Our new research paper gives you a roadmap for using Pimcore's features while preserving security....


July 19, 2024

Tenable Customer Update about CrowdStrike Incident

Please read this important customer update about CrowdStrike's recent incident....


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