BSNL

Breach Date

20 May 2024

Affected Users

NOT DISCLOSED

Details

• International Mobile Subscriber Identity (IMSI) numbers
• SIM card details
• Home location register data and critical security keys

Acknowledgement

Yes

Notice/Statement

CERT-In said it was "in [the] process of taking appropriate action with the concerned authority."

Grievance Redressal

NOT DISCLOSED

Media Coverage

business-standard.com