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4 Best Antivirus Software of 2021

eSecurity Planet

What’s the best antivirus software? With the rise in malware and ransomware and a growing reliance on the internet, antivirus solutions are critical for protecting your data and applications. Top 4 antivirus software. Encryption. Bitdefender. Other AV contenders. Bitdefender Total Security. Ransomware protection.

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LockFile Ransomware uses a new intermittent encryption technique

Security Affairs

Recently emerged LockFile ransomware family LockFile leverages a novel technique called intermittent encryption to speed up encryption. Sophos researchers discovered that the group is now leveraging a new technique called “intermittent encryption” to speed up the encryption process.

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OmniVision disclosed a data breach after the 2023 Cactus ransomware attack

Security Affairs

The digital imaging products manufacturer OmniVision disclosed a data breach after the 2023 ransomware attack. In 2023, the imaging sensors manufacturer was the victim of a Cactus ransomware attack. OmniVision Technologies is a company that specializes in developing advanced digital imaging solutions. OmniVision Technologies Inc.

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The U.S. CISA and FBI warn of Royal ransomware operation

Security Affairs

According to government experts, the Royal ransomware attacks targeted numerous critical infrastructure sectors including, manufacturing, communications, healthcare and public healthcare (HPH), and education. The Royal ransomware can either fully or partially encrypt a file depending on its size and the ‘-ep’ parameter.

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Experts spotted a variant of the Agenda Ransomware written in Rust

Security Affairs

The Qilin ransomware-as-a-service (RaaS) group uses a double-extortion model, with most of the victims in the manufacturing and IT industries. The Rust variant has also been seen using intermittent encryption, one of the emerging tactics that threat actors use today for faster encryption and detection evasion.”

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RobbinHood ransomware exploit GIGABYTE driver flaw to kill security software

Security Affairs

The operators behind the infamous RobbinHood ransomware are exploiting a vulnerable GIGABYTE driver to kill antivirus products. Ransomware operators leverage a custom antivirus killing p ackage that is delivered to workstations to disable security solution before starting encryption. ” reads the report published by Sophos.

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FBI and Australia ACSC agencies warn of ongoing Avaddon ransomware attacks

Security Affairs

The Federal Bureau of Investigation (FBI) and the Australian Cyber Security Centre (ACSC) are warning of an ongoing Avaddon ransomware campaign targeting organizations worldwide in multiple industries, including government, finance, energy, manufacturing, and healthcare.