Securing Sensitive Data: Lessons from Keytronic’s Recent Breach

Keytronic, a prominent printed circuit board assembly (PCBA) manufacturer, recently confirmed a significant data breach. The breach occurred after the Black Basta ransomware gang leaked over 500GB of the company’s stolen data. In this blog post, we delve into the details of the breach, its impact, and Keytronic’s response.

The breach came to light two weeks ago when Black Basta claimed responsibility for the attack. Keytronic had reported the cyberattack in an SEC filing over a month ago, on May 62.

The attack disrupted Keytronic’s operations, limiting access to critical business applications. As a result, the company had to shut down domestic and Mexico operations for two weeks to address the incident.

The stolen data included sensitive information such as human resources, finance, engineering, and corporate data. Black Basta shared screenshots of employees’ passports, social security cards, customer presentations, and corporate documents2.

As required by new SEC criteria, the Company has also stated that the attack and loss of production will have a material impact on its financial position in the fourth quarter of 2024, ending on June 29.