BSNL data breach exposes 278 GB of sensitive telecom info, twice in 6 mts

Bharat Sanchar Nigam Limited (BSNL) suffered a security data breach where a threat actor claimed to have obtained sensitive data. This includes international mobile subscriber identity (IMSI) numbers, SIM card specifics, home location register data, and crucial security keys, according to a report by digital risk management firm Athenian Technology.