Healthcare Phishing Ransomware 
Krebs on Security
DECEMBER 13, 2021
The consulting firm PricewaterhouseCoopers recently published lessons learned from the disruptive and costly ransomware attack in May 2021 on Ireland’s public health system. The unusually candid post-mortem found that nearly two months elapsed between the initial intrusion and the launching of the ransomware.
Malwarebytes
JANUARY 27, 2025
UnitedHealth says it now estimates that the data breach on its subsidiary Change Healthcare affected 190 million people, nearly doubling its previous estimate from October. In October, this was largely confirmed when Change Healthcare reported a number of 100,000,000 affected individuals. Watch out for fake vendors.
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Malwarebytes
OCTOBER 25, 2024
In April, we reported that a “substantial proportion” of Americans may have had their health and personal data stolen in the Change Healthcare breach. That was based on a report provided by the UnitedHealth Group after the February cyberattack on its subsidiary Change Healthcare. 2FA that relies on a FIDO2 device can’t be phished.
Krebs on Security
AUGUST 14, 2020
NASDAQ:RCM ], one of the nation’s largest medical debt collection companies, has been hit in a ransomware attack. The company has more than 19,000 employees and contracts with at least 750 healthcare organizations nationwide. R1 RCM declined to discuss the strain of ransomware it is battling or how it was compromised.
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The losses companies suffered in 2023 ransomware attacks increased by 74% compared to those of the previous year, according to new data from the Federal Bureau of Investigation (FBI). The true figure is likely to be even higher, though, as many identity theft and phishing attacks go unreported.
Security Affairs
NOVEMBER 19, 2024
Russian Phobos ransomware operator Evgenii Ptitsyn, accused of managing attacks, was extradited from South Korea to the US to face cybercrime charges. Russian Phobos ransomware operator Evgenii Ptitsyn, suspected of playing a key role in the ransomware operations, was extradited from South Korea to the US to face cybercrime charges.
Security Affairs
MARCH 24, 2025
The Cloak ransomware group claims responsibility for a cyberattack on the Virginia Attorney Generals Office that occurred in February. The ransomware group Cloak has claimed responsibility for a February cyberattack on the Virginia Attorney General Office. ” reads a report published by Halcyon.
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