Trusted intermediate CA 'leaks' private key — it was literally the number 4

evilsocket · x · 2026-10-21

A trusted intermediate certificate authority's 384-bit ECC private key has been exposed — and the key is almost entirely zeros, ending in just "4". Anyone could derive it and forge certificates signed by this CA, a severe break in the TLS chain of trust.

Related event: eMudhra leak: 8 intermediate CA private keys nearly all zeros, exposing global TLS trust chain(7 posts)→

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