This page provides links to After Action Reports related to the InCommon Certificate Service. InCommon will publish After Action Reports in the event of a service interruption or other unforeseen circumstance that affects subscribers.
Summary: On August 26, Sectigo was notified of an issue with serial numbers on certain EV certificates. These certificates included serial numbers consisting of all zeros. CA/Browser Forum requirements (see Section 9.2.4), which govern Certificate Authorities like Sectigo, require revocation of these certificates within five calendar days.