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New Hive ransomware variant is written in Rust and use improved encryption method

Security Affairs

Hive ransomware operators have improved their file-encrypting module by migrating to Rust language and adopting a more sophisticated encryption method. According to a report published by blockchain analytics company Chainalysis, the Hive ransomware is one of the top 10 ransomware strains by revenue in 2021. key files.

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Cyber espionage campaign targets Asian countries since 2021

Security Affairs

A cyber espionage group targets governments and state-owned organizations in multiple Asian countries since early 2021. Threat actors are targeting government and state-owned organizations in multiple Asian countries as parts of a cyber espionage campaign that remained under the radar since early 2021. ” continues the report.

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Homomorphic Encryption Makes Real-World Gains, Pushed by Google, IBM, Microsoft

eSecurity Planet

The increasing mobility of data, as it ping-pongs between clouds, data centers and the edge, has made it an easier target of cybercrime groups, which has put a premium on the encryption of that data in recent years. Since then, interest in fully homomorphic encryption (FHE) has increased, largely paralleling the rise of cloud computing.

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2021 cyber security review of the year

IT Governance

For many, 2021 was a year to forget. You can read more about that attack, along with the year’s other biggest stories, in our 2021 cyber security review of the year. 2021 got off to an inauspicious start when cyber security researchers reported a huge leak of Brazilian residents’ data. First came the Colonial Pipeline hack.

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Experts warn of attacks using a new Linux variant of SFile ransomware

Security Affairs

Some variants of the ransomware append the English name of the target company to the filenames of the encrypted files. ” reads the analysis published by Rising.AFR-6fyvilv #Sfile #Ransomware New Sample: 6E029B9B0A600CDC1E75A4F7228B332B pic.twitter.com/tB27dM8tjd — dnwls0719 (@fbgwls245) January 9, 2022. as the suffix name.

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Hertzbleed Side-Channel Attack allows to remotely steal encryption keys from AMD and Intel chips

Security Affairs

Hertzbleed attack: Researchers discovered a new vulnerability in modern Intel and AMD chips that could allow attackers to steal encryption keys. “Second, Hertzbleed shows that, even when implemented correctly as constant time, cryptographic code can still leak via remote timing analysis. ” continues the post.

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Stayin’ Alive campaign targets high-profile Asian government and telecom entities. Is it linked to ToddyCat APT?

Security Affairs

The campaign has been active since at least 2021, threat actors employed downloaders and loaders to deploy next-stage malware. ” reads the analysis published by Checkpoint. The CurKeep payload is very small, it is 10kb in size, contains 26 functions and is not statically compiled with any library.