What the ransom note won't say

What the ransom note won't say

Award-winning news, views, and insight from the ESET security community TIPS & ADVICEBUSINESS SECURITYESET RESEARCHAbout ESET ResearchBlogpostsPodcastsWhite papersThreat reportsWeLiveScienceFEATUREDUkraine crisis – Digital security resource centerWeLiveProgressCOVID-19ResourcesVideosTOPICSDigital SecurityScamsHow toPrivacyCybercrimeKids onlineSocial mediaInternet of ThingsMalwareRansomwareSecure codingMobile securityCritical infrastructureThreat researchABOUT USAbout WeLiveSecurityOur ExpertsContact UsEnglishEspañolDeutschPortuguêsFrançais Award-winning news, views, and insight from the ESET security community An attack is what you see, but a business operation is what you're up against 20 Apr 2026 • , 8 min. read In March 2024, an affiliate of the BlackCat ransomware gang took to a cybercrime forum with a complaint. They’d carried out the attack on Change Healthcare – one of the largest

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