ThreatsDay Bulletin covers this week’s cyber threats, from phishing and ransomware to exposed AI systems, sandbox flaws, and ...

Separate but similar campaigns described by Microsoft and Trend Micro use malicious zip files to spread malware via social ...

Kaspersky says 90+ spoofed domains use malicious installers and SEO to deliver AsyncRAT to Windows systems through ScreenConnect.

A wave of phishing emails sent to Booking.com partner accommodations in Japan in May led to blockchain-hosted malware ...

Woodgnat, an IAB for Qilin, Interlock, Rhysida, Akira, 8Base, and Black Basta ransomware, is using Mistic RAT in new attacks.

Microsoft’s AutoJack research shows how a malicious webpage rendered by an AI browsing agent can reach local MCP services and ...

On June 24, 2026, Microsoft’s Digital Crimes Unit (DCU) facilitated the takedown, suspension, and blocking of domains that ...

Prinz Eugen ransomware targets recently modified files first and skips ransom notes, exposing backup, EDR, and incident ...

Ongoing research into AI agent framework security identified an exploit chain in AutoGen Studio (AutoGen’s open-source prototyping user interface) that allows untrusted web content rendered by a ...

Mapping detections and controls to MITRE ATT&CK: a practical guide for technical teams MITRE ATT&CK is useful because it gives technical teams a common language for describing adversary behaviour. For ...

Linuxでおなじみのコマンド群をWindowsで利用できるようにするCoreutils for Windows、Linuxコンテナを扱うWSL containers――MicrosoftはBuild ...

Microsoft warns of CryptoBandits.A, a Tor-based Windows clipper stealing wallet data and hijacking crypto transfers.