Home / Incidents / Data breach
Hacker claims 18.8 million TalkTalk records
A hacker offered what was claimed to be 18.8 million TalkTalk subscriber records via a third-party supplier; TalkTalk said the figure was overstated.
- Organisation
- TalkTalk
- Disclosed
- 26 January 2025
- Affected
- 18,800,000 (claimed by attacker, unconfirmed)
- Data
- Names, emails, phone numbers
- Attacker
- b0nd
- Severity
- major
- Region
- UK
- Source
- CM-Alliance ↗
Cite this
Nuffield Consulting, “Hacker claims 18.8 million TalkTalk records”, The Daily Tech Wire outage & breach log, 26 Jan 2025. https://techwire.nuffieldconsulting.com/incidents/2025-01-26-talktalk-breach/ (retrieved 15 Nov 2026).
This entry summarises public reporting. Please also cite the original source: CM-Alliance, https://www.cm-alliance.com/cybersecurity-blog/january-2025-recent-cyber-attacks-data-breaches-ransomware-attacks.
Related incidents
- 30 Jan 2025CHC breach exposes 1 million Connecticut patientsCommunity Health Center · breach · Unknown · 1.1M records
- 29 Jan 2025DeepSeek leaves chat logs exposed in open databaseDeepSeek · breach · None (exposure)
- 23 Jan 2025$85m stolen from Phemex hot walletsPhemex · breach · North Korea (suspected)
- 17 Jan 2025Otelier breach exposes Marriott, Hilton and Hyatt guestsOtelier · breach · Unknown
- 15 Jan 2025Law firm breach exposes 3.5 million peopleWolf Haldenstein · breach · Unknown · 3.5M records