#PKI
Certighost Flaw Let Ordinary Users Impersonate Domain Controllers and Seize Active Directory
A newly patched Active Directory Certificate Services bug, dubbed Certighost, let any low-privileged domain user trick a certificate authority into treating a rogue machine as a real Domain...
Let’s Encrypt Halts All Certificate Issuance After Cross-Signed Root Certificate Incident
Let's Encrypt temporarily suspended all certificate issuance on May 8, 2026, after engineers identified a critical issue with a cross-signed certificate linking its Generation X root to its...