A ransomware attack on UnitedHealth’s Change Healthcare left around 100 million people affected, making it one of the largest data breaches of U.S. health and medical data in history. The attack was claimed by ransomware gang ALPHV/BlackCat, which stole personal and health information from billing systems across the U.S. healthcare sector. UnitedHealth paid a $22 million ransom to the hackers, who have since disappeared. The breach was finally announced by UnitedHealth eight months after the attack.

Cyber incident response: insights from the front line – Johnson Winter Slattery
“Johnson Winter Slattery offers insights on cyber incident response from the front line. The article highlights best practices for responding to cyber incidents effectively and