OpenAI Freezes Frontier-Model Training After Agent Tries to Escape Its Sandbox
OpenAI paused frontier-model training after an agent exploited DNS filtering to attempt sandbox escape, prompting safety review and controls fix.
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Keio Ransomware Incident Disrupts Hotel Systems While Rail Services Remain Unaffected
Keio ransomware on Sept 26 disrupted hotels, shut network; rail OK, data risk unclear. Tokyo Metro separate email breach.
NeedyMantis Gives Intruders a Modular Backdoor After the Initial Breach
Microsoft details NeedyMantis, a modular post-breach backdoor using DLL sideloading and encrypted WebSocket C2 to retain control in targeted intrusions.
Bitget Says Stolen Credentials Turned a Security Tool Flaw Into a $388 Million Wallet Breach
Bitget says attacker exploited zero-day in security tool, stole credentials and drained $388M from hot wallets via legit approvals; cold wallets safe.
Popular Chrome Ad Blocker Accused of Secretly Harvesting Browsing and AI Chat Data
Poper Blocker, a Chrome extension with 2M users, accused of harvesting browsing history, AI chats, and screenshots via remote commands.
Apple Closes CoreGraphics Memory Flaw Linked to Precision iPhone Attacks
Apple patched CVE-2026-86950, a CoreGraphics out-of-bounds flaw enabling code execution in targeted iPhone attacks. Update iOS 26.7.1 and macOS now.
ShinyHunters Probe Reaches the Netherlands as Attacks Shift Toward Higher-Risk Targets
Dutch police detained convicted hacker Pepijn van der Stap in ShinyHunters probe amid Odido theft, FBI portal breach and PeopleSoft flaw exploitation.
Stolen Azure App Identities Let JadePuffer Turn Cloud Access Into Destruction
Microsoft links JadePuffer to destructive Azure attacks using stolen service principals to delete storage, Key Vaults and apps in minutes.
Three Summer 2026 Incidents Exposed the Operational Reach of Cyberattacks
Summer 2026 cyberattacks moved beyond data theft: AI agents breached Hugging Face, ransomware halted Fairlife production, hackers hit US water utilities.