The issue is now resolved by setting an additional configuration setting in Keycloak (the Identity Provider used by RIPE NCC Access).
Posted Jun 08, 2023 - 15:07 UTC
Update
We are continuing to investigate this issue.
Posted Jun 08, 2023 - 13:49 UTC
Investigating
Some users are logged out of RIPE NCC Access if idle time is exceeds ~20 minutes. We are investigating and will update this announcement once we know more.