Daniel Kelley, from Llanelli, Carmarthenshire, pleaded guilty to hacking at the Old Bailey. Judge Paul Worsley warned Kelley that, despite having no previous convictions, jail time was inevitable and that he should prepare himself. Kelley also sent a blackmail demand to TalkTalks attempting to extort 465 bitcoins (approximately 285,000) He is due to be sentenced on 6 March 2017. TalkTalk has to bear some responsibility for its incompetence and failure to defend customer data.”]
Source: https://grahamcluley.com/talktalks-hacker-blackmailer-pleads-guilty/