certificates
Let’s Encrypt works toward post-quantum certificates at web scale
Let’s Encrypt plans to pursue a post-quantum-safe Web PKI through Merkle Tree Certificates (MTCs), a new approach that adds post-quantum authentication to the web without …
Zombie linkages are keeping expired domains trusted for years
Domains expire, get transferred, and return to the market every day. The systems connected to those domains can continue trusting the original owner long after control has …
Windows Security app gets Secure Boot certificate status indicators as 2026 expiration approaches
Microsoft’s Secure Boot certificates, issued in 2011, are approaching expiration in 2026. To help IT administrators track whether devices have received replacement …
Certificate lifespans are shrinking and most organizations aren’t ready
The push for shorter TLS certificate lifespans has been building for years. It started with Google’s internal push toward 90-day certificates, which gained traction inside the …
Microsoft begins Secure Boot certificate update for Windows devices
Microsoft has begun updating Secure Boot certificates originally issued in 2011 to ensure that Windows devices continue to verify boot software as older certificates reach the …
Let’s Encrypt rolls out 6-day and IP-based certificates
Let’s Encrypt says its short-lived TLS certificates with a 6-day lifetime are now generally available. Each certificate is valid for 160 hours from the time it is issued. To …
Microsoft revokes 200 certs used to sign malicious Teams installers
By revoking 200 software-signing certificates, Microsoft has hampered the activities of Vanilla Tempest, a ransomware-wielding threat actor that has been targeting …
What EU’s PQC roadmap means on the ground
In this Help Net Security interview, David Warburton, Director at F5 Labs, discusses how the EU’s Post-Quantum Cryptography (PQC) roadmap aligns with global efforts and …
Connectwise is rotating code signing certificates. What happened?
Connectwise customers who use the company’s ScreenConnect, Automate, and ConnectWise RMM solutions are urged to update all agents and/or validate that the update has …
Why shorter SSL/TLS certificate lifespans matter
Digital certificates are the unsung heroes of the internet, silently verifying that the websites, apps, and services you use are legit and your data is safe. For years, we’ve …
Apple’s 45-day certificate proposal: A call to action
In a bold move, Apple has published a draft ballot for commentary to GitHub to shorten Transport Layer Security (TLS) certificates down from 398 days to just 45 days by 2027. …
Shorter TLS certificate lifespans expected to complicate management efforts
76% of security leaders recognize the pressing need to move to shorter certificate lifespans to improve security, according to Venafi. However, many feel unprepared to take …
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