Highlands Oncology Group notifies 113,575 people after ransomware attack by Medusa

On August 1, Highlands Oncology Group in Arkansas notified the Maine Attorney General’s Office of a ransomware attack it discovered on June 2, when certain files and systems were inaccessible. Investigation into the incident revealed that there had been unauthorized access at times between January 21, 2025, and June 2, 2025. On June 19, the…![](https://analytics.hitsaru.com/piwik.php?idsite=11&rec=1&url=https%3A%2F%2Fdatabreaches.net%2F2025%2F08%2F02%2Fhighlands-oncology-group-notifies-113575-people-after-ransomware-attack-by-medusa%2F%3Fpk_campaign%3Dfeed%26pk_kwd%3Dhighlands-oncology-group-notifies-113575-people-after-ransomware-attack-by-medusa&action_name=Highlands+Oncology+Group+notifies+113%2C575+people+after+ransomware+attack+by+Medusa&urlref=https%3A%2F%2Fdatabreaches.net%2Ffeed%2F)

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