Microsoft Store Outlook add-in hijacked to steal 4,000 Microsoft accounts

The AgreeTo add-in for Outlook has been hijacked and turned into a phishing kit that stole more than 4,000 Microsoft account ...

Anthropic’s Claude Cowork finally lands on Windows — and it wants to automate your workday

Anthropic has launched Claude Cowork for Windows, bringing its AI agent’s file access and task automation to most desktop users as Microsoft deepens its partnership with Anthropic while reassessing ...
CSO Online

Windows shortcut weaponized in Phorpiex-linked ransomware campaign

Researchers revealed a Phorpiex-distributed phishing campaign using malicious LNK files to deploy Global Group ransomware ...

Once-hobbled Lumma Stealer is back with lures that are hard to resist

“LummaStealer is back at scale, despite a major 2025 law-enforcement takedown that disrupted thousands of its command-and-control domains,” researchers from security firm Bitdefender wrote. “The ...