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Kevin Poireault reports: Keir Giles, a British expert on Russian information operations, has been targeted by a sophisticated spear phishing attack using novel social engineering techniques. The writer and senior consulting fellow at the UK think tank Chatham House was lured into sending app-specific passwords to someone impersonating a US State Department employee. The Google…

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Attacks on revenue cycle management (RCM) firms and debt collection firms often provide criminals with a wealth of personal and protected health information because successfully compromising one billing vendor may give access to the sensitive data of numerous covered entities or clients. Horizon Healthcare RCM (“Horizon”) in Indiana is the latest RCM to disclose that…

Sarah Volpenhein reports: Nearly 5.6 million people were affected in the ransomware attack that hit Ascension in May, the national health system now says. Until now, the health system had not publicly disclosed the total number of people affected by the May ransomware attack that compromised patient data and ultimately caused major disruptions to patient…

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of cyber attacks carried out by a threat actor called UAC-0099 targeting government agencies, the defense forces, and enterprises of the defense-industrial complex in the country. The attacks, which leverage phishing emails as an initial compromise vector, are used to deliver malware families like MATCHBOIL,…

A new mass malware campaign is infecting users with a cryptocurrency miner named SilentCryptoMiner by masquerading it as a tool designed to circumvent internet blocks and restrictions around online services. Russian cybersecurity company Kaspersky said the activity is part of a larger trend where cybercriminals are increasingly leveraging Windows Packet Divert (WPD) tools to distribute…