Microsoft has reminded admins to migrate Entra ID users to phishing-resistant authentication methods to avoid sign-in disruptions after it retires SMS first-factor sign-in starting in February 2027. [...]
Microsoft warned that the built-in File History backup feature in Windows may stop working on some systems after installing the September 2026 security updates. [...]
An ongoing npm malware campaign involving the 'indexed-btree' package shows how threat actors bypass supply chain defenses by hiding malicious code in a package's normal runtime behavior rather than in installation scripts. [...]
Supply chainMalware
Researchers escaped OpenAI's Codex sandbox two ways, one running commands on a developer's machine from its most locked-down mode. OpenAI has patched both. [...]
BragJack, a proof-of-concept attack from Forever Security's Gal Weizman, hijacks the AI assistants in Chrome, Edge, Opera Neon, Perplexity Comet, and Claude in Chrome using one malicious extension. The Prompt Forcing technique earned over $20,000 in bounties and two CVEs. [...]
Proof of concept
A joint law enforcement advisory warns that the North Korean hacking group WaterPlum compromised at least 30,000 devices worldwide from December 2025 through July 2026 and transferred more than $10.7 million in stolen cryptocurrency to North Korea. [...]
The ShinyHunters extortion gang breached the Clop (aka Cl0p) ransomware operation's data leak site, defacing the Tor site and allegedly stealing server data and the private keys for its onion service. [...]
RansomwareData breach
AI actress Tilly Norwood went viral after glitching into Chinese on Piers Morgan Uncensored last night. Her "Talking Tilly" video call service face-scans every caller for an 18+ age check, senses callers' moods during calls, and shuts down permanently on September 27. We tried it and read the fine print. [...]
AI actress Tilly Norwood went viral after glitching into Chinese on Piers Morgan Uncensored last night. Her "Talking Tilly" video call service face-scans every caller for an 18+ age check, senses callers' moods during calls, and shuts down permanently on September 27. We tried it and read the fine print. [...]
The Gyazo image-sharing platform has confirmed it suffered a data breach after hackers exploited a server vulnerability that allowed them to steal 23.6 million user records. [...]
Data breach
An ongoing malware campaign uses SEO-optimized GitHub repositories to impersonate well-known software firms to push a previously undocumented information stealer called Rapuncel. [...]
Malware
Microsoft 365 makes sharing files easy, but access can remain long after its original purpose has ended, leaving organizations with little visibility into who can still reach sensitive data. tenfold Software explains how centralized access governance and owner-driven reviews can help identify and remove unnecessary access. [...]
Microsoft Teams will soon let administrators tweak the list of file extensions commonly associated with security threats to meet their company's security requirements. [...]
Fast-growing companies face countless recommendations for securing Google Workspace, but not every control provides the same value. This webinar examines real-world breaches to explore which security controls matter most, which may be overrated, and where lean security teams should focus their resources. [...]
Microsoft has resolved a known issue that causes incorrect alerts warning that Defender Antivirus was turned off after installing recent updates. [...]
Check Point Software has released security updates to address a critical vulnerability that can let attackers execute code with root privileges on management systems. [...]
Critical
Microsoft has fixed a known issue that causes copy-and-paste failures for some Excel users after installing the September 2026 KB5002914 security update. [...]
A new Android malware called RatHat has been discovered, targeting users with an AI-powered subsystem that helps operators remotely navigate compromised devices. [...]
Malware