The Top Cyberattacks of September 2020

September 2020 saw a surge of high-impact ransomware attacks and data leaks targeting healthcare, education, and government service providers: suspected ransomware disrupted United Health Services across hundreds of facilities, Ashtabula County Medical Center was knocked offline, the Maze gang released Las Vegas School District data after ransom refusal, Hartford briefly postponed its school opening after an attack, and Tyler Technologies was affected by RansomExx. The report underscores ransomware as the dominant threat, the vulnerability of hospitals and schools during the pandemic, and the importance of incident response, backups, and improved security monitoring.