Rhysida
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Blog
More than 300,000 US healthcare patients impacted in suspected Rhysida cyber attacks
Two US healthcare organizations have warned threat actors were able to breach their internal systems, exposing more than 300,000 individuals. On 7 March 2025, Kansas-based healthcare provider Sunflower Medical Group published an alert stating that over 220,000 patients had their personally identifiable information (PII) accessed in a data breach. An advisory published by the firm revealed it discovered suspicious activity…
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Axis Health System breach claimed by Rhysida ransomware gang – $1.5M demanded
Yesterday, the Rhysida ransomware gang posted Axis Health System to its data leak site, demanding a 25 BTC ransom (around $1.5 million USD at the time of writing) and giving the company seven days to pay up. Southwest Colorado Mental Health Center, Inc. d/b/a Axis Health System started issuing data breach notification letters at the end of September. In these,…
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Ransomware gang Rhysida claims responsibility for Olympus Financial data breach
Ransomware gang Rhysida is demanding 10 BTC ($595,000 at time of writing) for data it says it stole from Olympus Financial, a mortgage broker in Miami, Florida. On July 31, Olympus Financial notified (PDF) victims of a data breach that compromised names, Social Security numbers, banking details, contact information, addresses, and dates of birth. Rhysida is now taking bids from…
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Ransomware gang Rhysida claims responsibility for the cyber attack on Sumter County Sheriff’s Office
Ransomware gang Rhysida has this morning claimed the recent cyber attack on Sumter County Sheriff’s Office. Its proof pack appears to contain various IDs and biometric data (fingerprints). It has given the Sheriff’s Office six to seven days to pay its ransom before the data is released. Sumter County Sheriff’s Office confirmed it had been hit with a ransomware attack…
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