Summary: UK telecommunications firm TalkTalk has confirmed a data breach involving a third-party supplier, triggered by unauthorized access to sensitive customer information. A threat actor claimed to be selling data of over 18.8 million customers, although TalkTalk disputes this number. Investigations are ongoing, and the company is collaborating with the third-party supplier to address the issue and safeguard customer data.
Affected: TalkTalk
Keypoints :
- TalkTalk experienced a data breach after unauthorized access to a third-party platform.
- The hacker claimed to offer for sale information about over 18.8 million TalkTalk customers, though this number is disputed by the company.
- CSG, the third-party involved, confirmed unauthorized access but denies a security breach within its own systems.
Source: https://www.securityweek.com/talktalk-confirms-data-breach-downplays-impact/