What happened:

At 17:10 CET on March 6th, 2024, we updated the IP allowlisting settings for one of our Enterprise customers. The list of IP addresses contained ranges used by a 3rd party cloud security provider, which prevented a subset of customers from accessing Mural. We started to receive reports of access issues and immediately engaged our incident task force to investigate.

The incorrect IP address configuration was quickly identified as the cause of the access issues. We rolled back the change and full access was restored at 17:50 CET.

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What we’ve done to avoid this happening again:

We have implemented additional checks on IP address restrictions, whilst our engineers work on product enhancements to prevent this issue from re-occurring.