Researchers found attackers using fake CAPTCHA pages. Users should never run PowerShell or Windows commands requested by ...

Microsoftは2026年6月29日、Windows上で動くLinux環境であるWindows Subsystem for Linux（WSL）のプレリリース版で、Linuxコンテナ環境をWindowsに直接統合する「WSL ...

Kaspersky says the attacks use phishing, GitHub-hosted payloads, CVE-2025-9491 LNK abuse, and Go2Tunnel-based tunneling.

We installed WSL Containers on Windows 11, built a custom container from scratch, tested it, and checked what still needs ...

The most common reason for domain join failures is incorrect DNS configuration. For your computer to find the domain controller, its network settings must point to a DNS server that can resolve your ...

Microsoft's Azure CTO Mark Russinovich explains why Windows still says a file is 'in use' after closing the app, and what to ...

Gamaredon hacking group escalated its decade-long espionage campaign against Ukraine in 2025, exploiting a weaponized WinRAR ...

The offices of Google are pictured in London on February 28, 2026. JUSTIN TALLIS/AFP via Getty Images Google released agents-cli on April 21, 2026, and it has shipped 13 updates in the 71 days since — ...

新しいPowerToys v0.100.0のリリースノートをみると、.NET 10に切り替えたことでパフォーマンスが向上し、インストーラーが15%小さくなってダウンロード時間が短縮した、とある。.NET 10とは、Microsoftの.NET Ver ...

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