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Microsoft
Microsoft researchers demonstrate hidden backdoor technique for AI agents

Microsoft researchers have demonstrated how small changes to an AI model can implant a hidden backdoor, causing an agent to execute an attacker’s command when a specific …

Microsoft
Windows settings backup is on by default starting with Windows 11 26H2

Starting with Windows 11, version 26H2, Windows settings backup will switch on by default on eligible devices. The company renamed the feature, which launched in August 2025 …

artificial intelligence
ARTEX goes from pentesting tool to attacker staple in three months

A security researcher’s AI agent breached an internal sales application used by WorkOS’s go-to-market teams, the developer platform provider confirmed on Friday. …

Patch Tuesday
November 2026 Patch Tuesday forecast: Old software continues to bite

How did you enjoy October 2026 Patch Tuesday? Were there enough CVEs reported to keep you busy for the rest of the year or are you finished and ready for another round next …

Binance
Fake job interview opened the door to $6.34 billion Binance heist

A tampered software installer and a fake job interview gave attackers the access they needed to steal about $6.34 billion in digital assets from Binance. “It was not a single …

Microsoft Authenticator for Android
Microsoft Authenticator vulnerability let rogue Android apps steal work account access

If you use Microsoft Authenticator on Android, update it. Researchers at Enclave found a flaw that let any app on your phone quietly take over your work account. The app …

Roger Halbheer
Sovereignty vs. security: Microsoft’s Roger Halbheer says you’re asking the wrong question

In this interview with Help Net Security, Roger Halbheer, Customer Security Officer at Microsoft, argues that digital sovereignty is a security question first. He explains why …

insider threat
Microsoft wants to limit AI agents’ permissions when they stray from the job

Microsoft’s Guardian Agents in Project Perception adapt as agent activity, risk, security context and organizational policy change. They help security teams understand why …

ConnectWise
ConnectWise suspends Cloud Backup service after attackers abuse its Microsoft 365 access

American software company ConnectWise is contending with a security incident that has allowed unknown attackers to use its application identities to break into organizations’ …

AI
With open-weight AI, more of the security burden falls on enterprises

Organizations that run open-weight AI models on their own infrastructure may have to supply safety and security controls that an AI provider would otherwise handle for them, …

phishing
Microsoft disrupts phishing network behind more than a billion scam messages

Microsoft uncovered a criminal marketplace supplying tools and accounts used in phishing scams worldwide. Attackers used these resources to target organizations in healthcare, …

Microsoft-Decision-1
Microsoft’s new model helps AI agents judge their next move

Microsoft-Decision-1 is a small decision-scoring model. Given a situation, a question and a fixed set of answer options, it returns a calibrated probability for each option. …

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