Change Healthcare Breach Impact Doubles to 190M People

A ransomware attack on Change Healthcare disrupted pharmacy processing and led to exfiltration of personally identifying information for roughly 190 million Americans; the company reportedly paid a $22 million ransom, initially misattributed the intrusion as nation-state activity, and took months to disclose and later revise the scale of the breach, raising concerns about identity-fraud risks and the timeliness of breach notifications.