TalkTalk Group controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2016
ICO data-security penalty
The Information Commissioner's Office fined TalkTalk £400,000 for inadequate security measures connected with the 2015 breach.
2016
Mirai router malware incident
A modified Mirai malware variant infected TalkTalk routers, interrupting service for many customers and exposing weaknesses in router security and update management.
2015
Customer-data cyberattack
A major cyberattack compromised information from a significant number of customer accounts. Subsequent company statements narrowed the number of accounts involving financial information, but the incident still caused substantial reputational and financial damage.
2012
Unsolicited marketing-call concerns
The Information Commissioner's Office listed TalkTalk among companies about which it had concerns regarding unsolicited telephone marketing complaints. TalkTalk said it was working with the regulator and that complaints had declined.
2011
Incorrect customer billing
Problems integrating Tiscali UK's billing systems resulted in incorrect charges for more than 65,000 customers. Ofcom fined TalkTalk £3 million, and the company issued refunds.
2005
Telephone slamming allegations
TalkTalk was accused of switching customers' residential telephone lines without proper consent, a practice known as slamming.