Resolved after 1 day, affecting Blacklist Monitoring, on June 18, 2026.
The issue has now been resolved. The SNDS system is fully working as expected now.
Affected components
Update timeline
- investigating Jun 18, 2026, 02:40 PM UTC
We're investigating a significant increase in API failures when fetching blacklisting data from the Microsoft SNDS platform. This may cause delayed blacklisting/delisting notices on the Microsoft SNDS blacklists.
- identified Jun 19, 2026, 07:57 AM UTC
The issue has been identified: Microsoft SNDS silently changed how its API responds to data requests, breaking most of our SNDS data sync integration. We're currently working on implementing a fix for this issue and forcing a new data sync after.
- monitoring Jun 19, 2026, 09:29 AM UTC
A fix has now been implemented, and we're monitoring the situation further. The SNDS system is fully working as expected now.
- resolved Jun 19, 2026, 03:03 PM UTC
The issue has now been resolved. The SNDS system is fully working as expected now.
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