The ransomware attack on US health system Ascension affected approximately 5.6 million people, a significant increase from the 500 initially reported. Occurring in May 2021, the incident caused widespread disruption to patient care for more than a month. The breach, not detected until the healthcare providers had lost access to patient records, compromised personal and payment information, medical data, government identification, insurance details and more. The full impact on patients remains unknown.

Mandiant warns of attacks on newly-disclosed Ivanti remote takeover threat
Google’s Mandiant team has issued an alert about a remote code execution flaw in the Ivanti Connect Secure VPN platform. The vulnerability, designated CVE-2025-22457, is