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The same hacker who leaked a treasure trove of user data steal from the genic testing company 23andMe two workweek ago has now leaked millions of new user records .

On Tuesday , a cyberpunk who go by Golem published a Modern dataset of 23andMe substance abuser entropy containing records of four million user on the known cybercrime assembly BreachForums . TechCrunch has observe that some of the newly leaked stolen data matches know and public 23andMe user and genetical info .

Golem claim the dataset contains information on citizenry who come from Great Britain , include data from “ the wealthiest citizenry know in the U.S. and Western Europe on this list . ”

23andMe spokesperson Andy Kill said in an emailed argument that the company was made cognisant of this Modern escape today , and that it is “ brush up the information to find out if it is legitimate . ”

On October 6 , 23andMeannounced that hackers had obtained some substance abuser data , claiming that to amass the stolen data the cyberpunk used certificate stuffing — a common proficiency where hacker try combinations of usernames or electronic mail and correspond passwords that are already public from other data point breaches .

In response to the incident , 23andMeprompted user to change their passwordsand encouraged switching on multi - factor certification . On its prescribed page addressing the incident , 23andMe enunciate it has launched an probe with service from “ third - party forensic expert . ” 23andMe blamed the incident on its customer for reusing password , and an opt - in feature article calledDNA congeneric , which allow user to see the information of other prefer - in users whose inherited data matches theirs . If a substance abuser had this feature turned on , in possibility it would leave hack to scrape information on more than one drug user by breaking into a single substance abuser ’s accounting .

There are still a plenty of unanswered questions about this incident . It ’s not known if the hackers really used credentials dressing and not another technique to steal the information , how much drug user information was steal , and what the hacker mean to do with it .

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The incident appear to have been conducted , or at least launched , several months ago . On August 11 , a cyberpunk on another cybercrime forum called Hydra advertised a readiness of 23andMe user data . That set of user data match some of the user records leaked two week ago , according to a TechCrunch analytic thinking .

On Hydra , the hacker claimed to have 300 terabyte of 23andMe user data , though the hacker did not provide any grounds for this claim .

Regardless of the many unanswered question , what ’s clean-cut is that we still do n’t know the full extent of this data leak . And it ’s not clear that 23andMe get laid yet how much data was taken .

UPDATE , October 18 , 5:32 p.m. ET : This level was update to include the statement from 23andMe ’s spokesperson .

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