Submitted via IRC for SoyCow1937
One day after the CAA (Certificate Authority Authorization) standard became obligatory on September 8, a German security researcher caught Comodo breaking the rules and issuing an SSL certificate it was not supposed to issue.
Source: https://www.bleepingcomputer.com/news/security/comodo-caught-breaking-new-caa-standard-one-day-after-it-went-into-effect/ [bleepingcomputer.com]