Posted: Tue, 30 January 2024 | permalink | No comments If you’ve perused the ActivityPub feed of certificates whose keys are known to be compromised, and clicked on the “Show More” button to see the name of the certificate issuer, you may have noticed that some issuers seem to come up again and again. This might make sense – after all, if a CA is issuing a large volume of certificates, they’ll be seen more often in a list of compromised certificates. In an attempt to see if there is anything tha...