Security News
To understand the scope of exposure and the associated risk facing cyber-physical systems environments, Claroty's research group Team82 analyzed data from over 20 million operational technology, connected medical devices, IoT, and IT assets in CPS environments. Researchers defined "High risk" as having a high likelihood and high impact of being exploited, based on a combination of risk factors such as end-of-life state, communication with insecure protocols, known vulnerabilities, weak or default passwords, PII or PHI data, consequence of failure, and several others.
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The report estimates that one fifth of all sensitive data belonging to healthcare organizations is impacted in each ransomware attack. A typical healthcare organization has more than 42 million sensitive data records - 50% more sensitive data than the global average of 28 million.
Ascension, one of the largest private healthcare systems in the United States, has taken some of its systems offline to investigate what it describes as a "Cyber security event." As a major U.S. nonprofit health system, Ascension operates 140 hospitals and 40 senior care facilities across 19 states and the District of Columbia.
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The ransomware attack on Change Healthcare occurred in late February 2024, leading to severe operational disruptions on Optum's Change Healthcare platform. The healthcare org recently admitted that it paid a ransom to protect people's data post-compromise, but no details about the attack or who carried it out were officially disclosed.
What are the key cybersecurity challenges in healthcare in the context of GenAI, and how can they be effectively addressed? How do you see GenAI transforming healthcare operations and patient care, especially regarding efficiency and decision-making?
UnitedHealth Group reported an $872 million impact on its Q1 earnings due to the ransomware attack disrupting the U.S. healthcare system since February. Change Healthcare is the biggest payment exchange platform used by doctors, healthcare providers, and over 70,000 pharmacies within the United States healthcare system.
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The RansomHub extortion gang has begun leaking what they claim is corporate and patient data stolen from United Health subsidiary Change Healthcare in what has been a long and convoluted extortion process for the company. While Change Healthcare has declined to comment on whether it has paid a ransom, the affiliate known as "Notchy" said they would extort Change Healthcare again as they still had the company's data.