Top Cyber Attacks of July 2023

A July 2023 cybersecurity roundup detailing multiple incidents: a third-party storage breach at HCA Healthcare exposing personally identifiable information for ~11 million patients; a suspected China-linked campaign compromising Microsoft-hosted email accounts across U.S. agencies; a supply-chain/server breach of Swedish vendor Ortivus that disrupted UK ambulance services' access to patient records; and an ideologically motivated DDoS on Archive of Our Own by the group "Anonymous Sudan." The report highlights affected records, attack types, industries, and operational/reputational impacts.