Incident Date: September 19, 2020
Incident Number: PR-1339

On September 19, 2020 at 12:08 PM ET, Tucows’ experienced service degradation impacting Tucows Domains, Hover.com, Enom.com and Ting.com. The service degradation was due to a DDoS attack.  

Tucows initiated DDoS mitigation protocol to block the offending traffic and to stabilize the platform. At 2:55 PM ET, The DDoS attack subsided and all the services were restored successfully. 

At 3:49 PM ET, Tucows encountered another service interruption due to a second DDoS attempt. Due to the nature of the attack, Tucows had to amend the dynamic rules, and thresholds to auto-mitigate the abusive traffic. At 5:38 PM ET,  The DDoS attack subsided and all the impacted services were restored. 

Tucows refined the dynamic rules to auto-mitigate the abusive traffic in a timely manner.

Tucows is to further review and enhance the overall security against malicious traffic.

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Thank you,

Tucows Engineering Team