Two hackers have been jailed for eight months and 12 months for their involvement in the £ 77 m ( $ 99 m ) UK cyber attack in 2015 that affected 157,000 accounts . Matthew Hanley, 23, left, broke into the TalkTalk site in 2015. The company was fined £ 400,000 for failing to properly protect customer data and , while Matthew Hanley , 23 , and Connor Allsopp , 21 , did not initially expose the vulnerability , they used it to steal sensitive information belonging to 8,000 customers before passing it on for fraudulent purposes . Of the accounts hacked , 15,656 had their bank account details deleted , leading to the firm 's CEO , Dido Harding , receiving blackmail threats with demands of bitcoin payment .
Two hackers have been jailed for eight months and 12 months for their involvement in the £ 77 m ( $ 99 m ) UK cyber attack in 2015 that affected 157,000 accounts . The company was fined £ 400,000 for failing to properly protect customer data and , while Matthew Hanley , 23 , and Connor Allsopp , 21 , did not initially expose the vulnerability , they used it to steal sensitive information belonging to 8,000 customers before passing it on for fraudulent purposes . Of the accounts hacked , 15,656 had their bank account details deleted , leading to the firm 's CEO , Dido Harding , receiving blackmail threats with demands of bitcoin payment .