Sipping from the Coronavirus Domain Firehose

Security experts are poring over thousands of new Coronavirus-themed domain names registered each day, but this often manual effort struggles to keep pace with the flood of domains invoking the virus to promote malware and phishing sites, as well as non-existent healthcare products and charities. As a result, domain name registrars are under increasing pressure to do more to combat scams and misinformation during the COVID-19 pandemic.


By most measures, the volume of new domain registrations that include the words “Coronavirus” or “Covid” has closely tracked the spread of the deadly virus. The Cyber Threat Coalition (CTC), a group of several thousand security experts volunteering their time to fight COVID-related criminal activity online, recently published data showing the rapid rise in new domains began in the last week of February, around the same time the Centers for Disease Control began publicly warning that a severe global pandemic was probably inevitable.



The total number of domains registered per day that contain a COVID-19 related term, according to DomainTools. The red line indicates the count of domains that DomainTools determined are “likely malicious.” The blue line refers to domains that are likely benign.



“Since March 20th, the number of risky domains registered per day has been decreasing, with a notable spike around March 30th,” wrote John Conwell, principal data scientist at DomainTools [an advertiser on this site]. “Interestingly, legitimate organizations creating domains in response to the COVID-19 crisis were several weeks behind the curve from thr ..

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