U.S. agencies have warned that advanced AI agents could exploit security flaws, break out of their assigned limits, and leave hidden backdoors behind. New guidance from NIST, the National Security Agency, and CISA urges AI developers to prepare for inc…

Attackers abused compromised ConnectWise Cloud Backup credentials to access Microsoft 365 customer environments, prompting ConnectWise to shut off application access and interrupt backup services. Jonathan Semon confirmed unauthorized sign-ins across 1…

Anthropic says an internal Claude research model reconstructed how the National Security Agency generated seeds for five NIST elliptic curves in under 30 minutes, addressing a cryptographic mystery spanning roughly 25 years. Its October 16 report attri…

Two WordPress Core vulnerabilities can be chained to execute remote code without authentication, according to analysis by Seqrite researcher Amruta Wagh. Dubbed WP2Shell, the exploit chain reportedly emerged in July 2026 and combines REST API route con…

A newly disclosed OpenBSD kernel exploitation chain combines a shared memory accounting flaw with a separate out-of-bounds write to obtain root privileges. Calif researcher Andrew Griffiths published the “Big Fish” research on October 16, 2026, alongsi…

GhostAction attackers have expanded their GitHub credential theft campaign with a second stage that disguises malicious JavaScript as a font file and targets developer workstations through Visual Studio Code tasks. Jenn Gile identified 94 compromised r…

Indian authorities have warned that SideCopy hackers are targeting Indian organizations, including academic institutions, with spear-phishing attacks that deploy ReverseRAT on Windows systems. The October 15, 2026, advisory classifies the threat as med…