For the second time in as many years, hackers have compromisedVerticalscope.com, a Canadian company that manages hundreds of popular Web discussion forums totaling more than 45 million user accounts. Evidence of the breach was discovered just before someone began using that illicit access as a commercial for a new paid search service that indexes consumer information exposed in corporate data breaches.
Toronto-based Verticalscope runs a network of sites that cater to automotive, pets, sports and technology markets. Verticalscopeacknowledged in June 2016 that a hacking incident led to the siphoning of 45 million user accounts. Now, it appears the company may have been hit again, this time in a breach involving at least 25 million user accounts.
On Thursday, KrebsOnSecurity was contacted by Alex Holden, a security researcher and founder of Hold Security. Holden saw evidence of hackers selling access to Verticalscope.com and to a host of other sites operated by the company.
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