Outage in Sumsub
DDos attack
Resolved MajorIncident Report
Summary AI Generated
Sumsub's API was targeted by a DDoS attack that caused a 20-30x spike in requests, affecting service availability for 6.2 hours. The team successfully identified and blocked the attack source, working with Cloudflare to implement countermeasures and restore full operational status.
Our service is currently being targeted by a DDoS attack.
Our Team is implementing counter measures at the moment.
We will keep you posted.
Components affected
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Latest Updates ( sorted recent to last )
RESOLVED
3 days ago - at 05/16/2026 01:37PM
Our Team has succesfully concluded the incident resolved. Everything is now operational.
The attack took place between 07:15 UTC and 8:00 UTC.
During the attack, we received a spike of 20–30x increase in total requests.
The attack is still ongoing; However, our Team has mitigated it for now and are working with Cloudflare on a more reliable permanent solution.
If you have any questions, please, don't hesitate to contact Support.
MONITORING
3 days ago - at 05/16/2026 08:17AM
We have succesfully identified and blocked the source of attack.
Currently the Team is reviewing the attack aftermath.
All systems are up and operational.
We will keep monitoring the situation for some additional time to ensure the incident is fully addressed.
Thank you!
IDENTIFIED
3 days ago - at 05/16/2026 08:01AM
Our service is currently being targeted by a DDoS attack.
Our Team is implementing counter measures at the moment.
We will keep you posted.
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