CISA is ending its monthly vulnerability bulletin
The rise in AI-generated security threats may just have generated one casualty: the death of the weekly bulletin of security threats from the US Cybersecurit...
CSO Online
20 articles
A zero-click RCE flaw in AI coding agents could have exposed enterprise systems
Popular AI coding agents such as OpenAI’s Codex, Anthropic’s Claude Code, Google’s Gemini CLI, and Microsoft-owned GitHub Copilot were vulnerable to a zero-c...
GhostCode attackers abuse device codes to take over Microsoft 365 accounts
Microsoft 365 users are being tricked into handing over access to their accounts by a new phishing kit, GhostCode, that exploits a weakness in a legitimate d...
Strong fundamentals make next-gen security possible
Risk management has always been a difficult job, but the current threat landscape has taken the challenge to a new level. I’ve spent years leading cybersecur...
Cisco patches max-severity ISE flaw, the second critical zero-day this week
Cisco released patches for an actively exploited authentication bypass vulnerability in its Cisco Identity Services Engine (ISE) platform, which is used for ...
OpenAI admits six new misalignment incidents under new reporting framework
OpenAI has published six new reports detailing AI model misalignment, including instances of hidden instructions, unauthorized communication, and attempts to...
Security spending is growing — except for the typical CISO
Security budgets may be growing on paper, but for a majority of CISOs, the money isn’t moving in quite the same direction. The budgets grew by 5% on average ...
Self-modifying AI agents expose a blind spot in enterprise security
As debate over AI safety intensifies, new research is drawing attention to a more immediate risk for enterprises: AI agents that can alter the models they re...
16 governance tools for securing your AI fleet
Every DevOps team member knows that dealing with an AI is like being a circus lion tamer. The boss and the audience are happy when the lions sit on the pedes...
LinkedIn fights for the right to tell customers when the feds want their data
Microsoft’s top lawyer argued Tuesday that legislators “must make secrecy [orders] the exception” in government subpoenas demanding information about LinkedI...
Big Tech’s AI safety rift signals disruption and disparity for enterprises
A growing divide among leading AI companies over how to secure increasingly powerful models is beginning to translate into challenges for enterprise IT, with...
Oracle’s September patches put Fusion Middleware back in the hot seat
Oracle’s September 2026 Critical Security Patch Update has arrived with 673 new security patches spanning 17 Oracle product families, with Oracle E-Business ...
AI agent authorization risks remain a gap in new NIST-CISA token security guidance
AI agents’ actions are out of scope for new guidance from US authorities on securing identity and access tokens, but there is still plenty enterprises can do...
You don’t have to join the hack-back program to inherit its risk
The obvious question about Washington’s new private offensive cyber program is which security vendors will join it. The CSO question is what happens to you w...
AI made software development unrecognizable. Is cybersecurity next?
The rapid emergence of AI has radically changed a host of professions, with software engineering and development perhaps the most transformed of all pursuits...
Hundreds of OpenAI agents attack RubyGems platform
A swarm of hundreds of OpenAI agents uploaded “malicious packages” to RubyGems and tried to steal API keys, the Ruby community gem hosting service revealed F...
Critical Cisco Secure Email Gateway zero-day gives attackers root access
Cisco released emergency patches for a critical vulnerability in its Secure Email Gateway appliance that could allow attackers to take over the device by sim...
Exposed Vite servers are being probed for AWS and Azure credentials
Attackers have opened a new front in their war on software developers: Vite servers, which they are probing for sensitive data including cloud credentials, i...
Exaforce extends its AI security tool to monitor more than just Claude
Exaforce is offering to help enterprise security teams discover and monitor AI agents using security telemetry they already collect, rather than requiring ye...
AI is exposing a security structure built for yesterday’s threats
Organizations are investing more in security than ever before, yet many still struggle with a fundamental problem: they are preparing for tomorrow’s crisis w...