Google Trust Services: Invalid OCSP responses

This case addresses an incident involving Google Trust Services (GTS) where invalid OCSP responses were generated due to a change in the batching process of OCSP response generation. The issue was first reported by users experiencing problems with OCSP checking in Firefox, particularly those using a 'hard-fail' configuration. The problem was acknowledged by GTS, and remediation procedures were initiated once the issue was identified. The incident was resolved approximately 2 days after it began, with no prior customer reports received during the outage.

1. 2018-01-19 Code push to improve OCSP generation initiated.
2. 2018-01-21 User reports OCSP issues on mozilla.dev.security.policy.
3. 2018-01-21 GTS acknowledges the issue.
4. 2018-01-21 Remediation procedures triggered.
5. 2018-01-21 Issue resolved.