HP, Dell, ASUS, Lenovo, MSI and Acer have published Secure Boot certificate guides. Here's what each PC manufacturer says you ...

A crucial Windows security certificate just expired - how to check your PC ...

Secure Boot certificate expiry 2026 arrives June 24 when Microsoft’s KEK CA 2011 expires. Devices missing the UEFI 2023 ...

Hackers launched a new phishing campaign this week targeting Signal users — specifically journalists, anti-Chinese Communist Party activists, and human rights workers — with fraudulent text messages ...

You switched on your PC. But instead of your desktop, you see a blue screen asking for a BitLocker recovery key when you haven’t even locked your drive. You don’t know how that happened, and it feels ...

BitLocker helps protect drives with built-in encryption, recovery support, and practical controls for safer Windows device data. Download bitlocker recovery guidance for securing, managing, and ...

Microsoft has released a temporary mitigation for YellowKey, a Windows zero-day that can reportedly bypass BitLocker protections. Microsoft has moved to contain the newly disclosed Windows zero-day ...

Microsoft has fixed the Windows 11 BitLocker recovery bug in KB5089549, but Windows 10 and Windows Server admins still need April key-access workarounds. Some Windows Server 2025 and Windows 11 ...

Update 5/21: Since this article was released, recommend mitigations for YellowKey and other attacks have been released, as well as a full patch for BlueHammer. Nightmare-Eclipse, a cybersecurity ...

BitLocker is an integral part of Windows 11's security, and it works best when it's configured and managed properly. When you purchase through links on our site, we may earn an affiliate commission.

Microsoft confirmed on Tuesday that some Windows Server 2025 devices will boot into BitLocker recovery after installing the April 2026 KB5082063 Windows security update. BitLocker is a Windows ...