Attack claimed by the Blackbyte ransomware gang
https://www.bleepingcomputer.com/news/security/san-francisco-49ers-blackbyte-ransomware-gang-stole-info-of-20k-people/
NFL's San Francisco 49ers are mailing notification letters confirming a data breach affecting more than 20,000 individuals following a ransomware attack that hit its network earlier this year.
The San Francisco Bay Area professional American football team confirmed that personal information (including names and Social Security numbers) belonging to 20,930 impacted individuals was accessed and/or stolen in the attack between February 6 and February 11, 2022.