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A company called Change Healthcare was established in 2007 and based in Brentwood, Tennessee.The company provided healthcare consumer engagement [clarification needed] and health plan cost transparency tools to health plans and large, self-insured employers, [4] across the United States.
Baltimore became the second U.S. city to fall victim to this new variant of ransomware after Greenville, North Carolina and was the second major US city with a population of over 500,000 people to be hacked by ransomware in two years, after Atlanta was attacked the previous year.
Qilin is a Russian-speaking cybercrime organisation that has been linked to a number of incidents, including a ransomware attack on hospitals in London. [1] [2]The group was detected by Trend Micro in August 2022 promoting ransomware called Agenda, which affiliates could tailor. [3]
Conti ransomware employs various stealth techniques, including the use of BazarLoader, to infiltrate its target systems. The ransomware is designed to encrypt files and render them inaccessible until a ransom is paid. It is often delivered through phishing emails, exploit kits, or compromised websites. [1]
Jigsaw is a form of encrypting ransomware malware created in 2016. It was initially titled "BitcoinBlackmailer", but later came to be known as "Jigsaw" due to featuring an image of Billy the Puppet from the Saw film franchise. [1]
The ransomware cyber attack had a significant impact on hospital appointments across the country, with many appointments cancelled including all outpatient and radiology services. [ 21 ] Several hospitals described situations where they could not access electronic systems and records and had to rely on paper records. [ 22 ]