U.K. telecommunications giant TalkTalk is investigating a potential data breach after a hacker, identified as “b0nd,” claimed to have stolen personal data from millions of its customers. The hacker's post on a cybercrime forum sparked concerns about the security of TalkTalk's customer information. However, TalkTalk has disputed the claims, stating that the numbers reported by the hacker are likely inflated. Let’s dive into the details of this ongoing investigation.