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The worst cyber attacks of 2021

Security Affairs

Which are the cyber attacks of 2021 that had the major impact on organizations worldwide in terms of financial losses and disruption of the operations? Colonial Pipeline ( May 2021 ) – The Colonial Pipeline facility in Pelham, Alabama, was hit by a cybersecurity attack in May and its operators were forced to shut down its systems.

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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. Pierluigi Paganini.

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

Security Affairs

A cyberespionage campaign, tracked as Stayin’ Alive, targeted high-profile government and telecom entities in Asia. The campaign has been active since at least 2021, threat actors employed downloaders and loaders to deploy next-stage malware. report – CurKeep collects information about the infected machine.

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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. “The SFile ransomware uses the Mbed TLS library, RSA-2048 and AES-256 algorithms for file encryption. The ransomware was involved in targeted attacks against corporate and government networks.

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PYSA ransomware gang is the most active group in November

Security Affairs

PYSA and Lockbit were the most active ransomware gangs in the threat landscape in November 2021, researchers from NCC Group report. Security researchers from NCC Group reported an increase in ransomware attacks in November 2021 over the past month, and PYSA (aka Mespinoza) and Lockbit were the most active ransomware gangs.