Not applicable in this case. This was a certificate issued March 20th 2025 and which expired March 20th 2026. Also concerning are the instructions written in broken English instructing visitors to ignore all SSL warnings.
Looks to me like they're trying to switch from IdenTrust 1yr certs to LetsEncrypt, but haven't got it right yet (https://bgp.he.net/certs#_SearchTab?q=www.public.cyber.mil)
Looks to me like they're trying to switch from IdenTrust 1yr certs to LetsEncrypt, but haven't got it right yet (https://bgp.he.net/certs#_SearchTab?q=www.public.cyber.mil)