Category Archives: H-ISAC

Conti’s Ransomware Toll on the Healthcare Industry

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Conti — one of the most ruthless and successful Russian ransomware groups — publicly declared during the height of the COVID-19 pandemic that it would refrain from targeting healthcare providers. But new information confirms this pledge was always a lie, and that Conti has launched more than 200 attacks against hospitals and other healthcare facilities since first surfacing in 2018 under the name “Ryuk.” Continue reading Conti’s Ransomware Toll on the Healthcare Industry→

Inside Ireland’s Public Healthcare Ransomware Scare

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The accounting firm PricewatersCoopers 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. It also found affected hospitals had tens of thousand of outdated Windows 7 systems, and that the health system’s IT administrators failed to respond to multiple warning signs that a massive attack was imminent. Continue reading Inside Ireland’s Public Healthcare Ransomware Scare→

All hands on deck: Infosec volunteers to protect medical organizations during COVID-19 crisis

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Hackers crossed a line last week when they struck the computer network of the Czech Republic’s second largest hospital as it was testing people for the novel coronavirus. Former White House and British intelligence officials condemned the cyberattack. It is the sort of digital depravity that U.S. prosecutors have vowed to crack down on during the COVID-19 pandemic. It was also a tipping point for Ohad Zaidenberg, an Israel-based cyberthreat researcher. “If anyone is sick enough to use this global crisis to conduct cyberattacks, we need to try to stop them,” he said. And so Zaidenberg stepped up his effort to assemble an ad-hoc group of malware hunters to gather data on COVID-19-related hacking. By day, they are cybersecurity professionals at well-known companies in Israel, Europe, and North America. By night, they are sending threat data to health organizations and those in other sectors enlisting in the fight against the pandemic. It’s still a nascent project: there are […]

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