Latest cybersecurity reporting from selected sources.

New Filing Frames Anthropic Dispute as Operational Control Issue - Not Free SpeechThe Justice Department is arguing in a new court filing that Anthropic's ability to update guardrails and behavior post-deployment creates unacceptable supply-chain risks, warning that vendor access to AI systems could enable manipulation or failure in mission-critical defense operations.

Vendor Ships Emergency Fixes, Warning Flaw Facilitates Full System CompromiseAttackers are targeting a zero-day vulnerability in Cisco's Unified Communications and Webex products that facilitates remote code execution and root-level access to the underlying operating system, risking full system compromise. Cisco has released patches, warning that no workarounds exist.

Firewall Vendor Warns Attackers Using Valid Credentials They Previously StoleAttackers wielding an emerging strain of ransomware called Helldown have been gaining a foothold in victims' networks by exploiting a previously unknown flaw in their Zyxel firewalls, security researchers warn. Zyxel has warned attackers may be using valid credentials they previously stole.