Tesco issues 620,000 new Clubcards to account holders after data attack
Tesco has blocked 620,000 Clubcard accounts and reissued loyalty cards after the supermarket uncovered a potential data breach. Tesco said this activity may have been successful in some cases, the supermarket insisted no financial data was compromised and its systems were not hacked. The retailer believes a database of stolen username and password combinations gathered … Read more