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Tag: PKI

A cracked padlock revealing the number 4 as its key, symbolizing the trivially weak eMudhra CA private keys

Security

eMudhra CA Compromise: One Key Was 4, and Your Backend Probably Still Trusts It

Eight eMudhra CA keys were cracked in under a second — one was literally the ...

October 27, 2026

Cracked padlock revealing the number 4 inside, representing the eMudhra CA private key compromise where keys had near-zero entropy

News

eMudhra CA Compromise: A Private Key Was Just the Integer 4

Eight eMudhra CA private keys were cracked in under a second — one was the ...

October 21, 2026

Padlock splitting into Merkle tree structure representing post-quantum HTTPS certificate architecture

News

Let’s Encrypt Commits to Post-Quantum HTTPS: Act Now

Let’s Encrypt commits to Merkle Tree Certificates for post-quantum HTTPS — and there’s a server ...

June 3, 2026