[ISN] IRS says data breach was worse than thought

http://www.computerworld.com/article/2972252/cybercrime-hacking/irs-says-data-breach-was-worse-than-thought.html By Katherine Noyes IDG News Service Aug 17, 2015 The cyberattack on U.S. taxpayer data reported by the Internal Revenue Service earlier this year now appears to be much worse than originally thought, the agency announced Monday, with as many as 300,000 citizens now believed to be potential victims. Whereas in May the IRS reported that sensitive information of about roughly 100,000 taxpayers had been stolen by thieves through its “Get Transcript” online application, its latest estimates more than double that number. It’s now believed that the thieves potentially gained access to more than 300,000 taxpayer accounts after attempting to breach more than 600,000. To gain access to the information, the thieves first stole information including Social Security details, dates of birth and street addresses from an outside, non-IRS source. They then used that information to clear a multistep authentication process in the app and access personal tax data on the IRS site. The Get Transcript app was shut down in May. […]




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