India, Feb. 25 -- The personal details of over 3.3 million people was exposed when a leading US employee screening company suffered a major data breach. DISA Global Solutions, which provides background checks and drug testing services to some of US' largest corporations, confirmed the breach in a recent filing with the Maine Attorney General's office.

According to the filing, the cyberattack occurred on February 9, 2024, but remained undetected for over two months. DISA discovered the breach on April 22, 2024, after an internal investigation revealed that an unauthorized party had infiltrated a "limited portion" of the company's network.

The breach notification letter sent to affected individuals acknowledged that the attacker had "proc...