Secure Boot has relied on the same security certificates to verify bootloaders since 2011, during the development cycle for Windows 8. But those original certificates are set to expire in June and ...

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems ...

Refreshing new certificates represents one of the largest coordinated security maintenance efforts across the Windows ecosystem,' Microsoft explains.

The The Window's Security Certificate is Expired Tech Support Scam is a browser advertisement that pretends to be from support.microsoft.com and states that your Windows certificate has expired and ...

Google forgot to renew one of its TLS certificates, leading to service disruption Saturday for people using Gmail through third-party email clients. The problem was fixed in a matter of hours, but ...