Search

Showing top 137 results for "Windows 11 r/cybersecurity"

Windows 11

Optimize your OS with the latest Windows 11 performance tweaks, security updates, and news on Microsoft’s AI-driven Copilot pivot.

4,434 articles indexed Last updated 8h ago See topic hub

Videos

How to | Tom's Hardware

…Xbox Need an OS for your PC build? Microsoft charges a whopping $139 for Windows 11 Home. Here's how to get Windows free or at least cheap. Windows Choosing the right…

Mar 25, 2026

Cybersecurity

Security Cybersecurity is the rickety scaffolding supporting everything you do online. For every new feature or app, there are a thousand different ways it can break – and a hundred of those can…

May 18, 2026

Microsoft patches YellowKey, GreenPlasma, MiniPlasma zero-days

…Attackers with physical access to the targeted devices can use a YellowKey exploit to bypass BitLocker protection on unpatched Windows 11 and Windows Server 2022/2025 systems. Microsoft shared mitigation measures for…

Jun 10, 2026 · Sergiu Gatlan

Microsoft fixes bug that removed Copilot buttons in Outlook

…Microsoft fixes GIF functionality in the Windows Emoji Panel April KB5083769 Windows 11 update causes backup software failures Microsoft confirms April Windows updates cause backup failures Microsoft: June 2026 Windows updates break…

Jul 2, 2026 · Sergiu Gatlan

CISA: Hackers now exploit SolarWinds Serv-U flaw to crash servers

…More recently, in June 2024, cybersecurity companies GreyNoise and Rapid7 tagged a Serv-U path-traversal vulnerability (CVE-2024-28995) as actively exploited . Over the past several years, CISA has tagged 11…

Jun 5, 2026 · Sergiu Gatlan

Dell confirms its SupportAssist software causes Windows BSOD crashes

…Some Windows servers enter reboot loops after April patches Windows BitLocker zero-day gives access to protected drives, PoC released Microsoft fixes BitLocker recovery issue only for Windows 11 users Microsoft fixes…

May 14, 2026 · Sergiu Gatlan

OpenClaw trojan uses AI agents to take control of 28,000 systems

…installed on Windows 11 How to Set Up a Windows Computer for a Senior User Bluetooth Toggle Missing in Windows? Try These Fixes GPU Overclocking Basics in Windows 11: Safe Performance Gains…

Apr 22, 2026 · Jak Connor

Discussions and forums

r/cybersecurity · u/rkhunter_ · May 15, 2026

Microsoft Exchange, Windows 11 hacked on second day of Pwn2Own

r/cybersecurity · u/levu12 · May 12, 2026

Disgruntled researcher who dropped BlueHammer and RedSun drops two new Windows 11 zero-days: A Bitlocker bypass, nicknamed YellowKey, and LPE, nicknamed GreenPlasma

Speaks for itself, take a look: https://github.com/Nightmare-Eclipse/YellowKey https://github.com/Nightmare-Eclipse/GreenPlasma What other explanation is there for YellowKey other than a backdoor? Oh also they say that n…

r/netsec · u/Upstairs_Safe2922 · May 21, 2026

durabletask (Microsoft's Python Durable Task client) compromised by TeamPCP | same Mini Shai-Hulud payload as last week's TanStack wave

We've been tracking TeamPCP since March. This is the fifth major package in the same campaign. Full chronology: Mar 19 — Trivy compromised. CI/CD secrets harvested downstream. Mar 24 — LiteLLM 1.82.7/1.82.8 to PyPI via c…

Followed topics

Search

Windows 11

Videos

How to | Tom's Hardware

Cybersecurity

Microsoft patches YellowKey, GreenPlasma, MiniPlasma zero-days

Microsoft fixes bug that removed Copilot buttons in Outlook

Top stories

Microsoft to enable Windows settings backup by default for orgs

Microsoft fixes GIF functionality in the Windows Emoji Panel

Windows Defender 'BlueHammer' vulnerability now exploited as part of malware campaigns — CISA issues warning despite patch release on April 14

Microsoft extends Windows Server 2022 hotpatching until October 2027