Tenable-Blog
CVE-2025-20333, CVE-2025-20362: Frequently Asked Questions About Zero-Day Cisco Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) Vulnerabilities
Cybersecurity Snapshot: Asset Inventories Key for OT Security, CISA Says, as NIST Issues Lightweight Algorithms to Secure IoT Devices
CISA stresses that an asset inventory is the foundation for OT security. Meanwhile, NIST has finalized cryptographic algorithms for resource-constrained devices. The agency is also developing control overlays for AI systems. Plus, a report reveals that security budget growth has slowed to a five…
How Tenable One Helps Canadian Orgs Set Up Exposure Management Programs and Meet Compliance Demands
The Tenable One Exposure Management Platform provides a single source of truth for cyber risk, helping Canadian security teams shift from reactive patching to proactive risk reduction. With native support for Canadian data residency and alignment with frameworks like ITSG-33, Tenable One helps…
CVE-2025-25256: Proof of Concept Released for Critical Fortinet FortiSIEM Command Injection Vulnerability
Exploit code is reportedly available for a critical command injection vulnerability affecting Fortinet FortiSIEM devices.BackgroundOn August 12, Fortinet published a security advisory (FG-IR-25-152) for CVE-2025-25256, a critical command injection vulnerability affecting Fortinet FortiSIEM…
How to Remediate Risk to Critical OT/IoT Systems without Disrupting Operations
Find out how adopting a proactive approach to secure your operational environments can help you reduce risk and eliminate downtime.
Microsoft’s August 2025 Patch Tuesday Addresses 107 CVEs (CVE-2025-53779)
Microsoft addresses 107 CVEs, including one zero-day vulnerability that was publicly disclosed.
From Vulnerability to Visibility: What the SharePoint Attacks Reveal About the Need for Proactive Cybersecurity
The recent exploitation of Microsoft SharePoint vulnerabilities highlights a critical gap in traditional, reactive cybersecurity strategies. Learn how a proactive exposure management approach empowers federal agencies to reduce risk, streamline operations and stay secure.
The Breach You Didn’t See Coming: How Invisible Combinations of Risk Are Exposing Your Organization
Most breaches don’t happen because of one glaring issue. They happen when multiple, seemingly low-risk factors silently combine. Learn how invisible risk combinations evade siloed security tools and how an exposure management program gives defenders the context they need to stop attacks before they…
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…
How Tenable’s Security Team Went from Thousands of Alerts to a Handful of Tickets with 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, Tenable CSO Robert Huber shares how he and his team have guided the company to unified exposure management.
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