Tesco
Tesco experienced a security issue.
A database of stolen usernames and passwords from other platforms had been tried out on its websites.
It issued new cards to 600,000 Clubcard account holders.
Source: https://www.bbc.com/news/technology-51710687
"id": "TES2327221222",
"linkid": "-tesco",
"type": "Breach",
"date": "03/2020",
"severity": "60",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"