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How to Decrypt Ransomware Files – And What to Do When That Fails

eSecurity Planet

However, even with the best planning, organizations can find a few users, machines, or systems that were overlooked or whose backup may be corrupted or encrypted. How Does Ransomware Encryption Work? Ransomware encryption works like any other encryption. The file extensions of the encrypted files will also provide a clue.

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PYSA Ransomware Attacks Targeting Healthcare, Education and Government Institutions, FBI Warns

Hot for Security

PYSA, also known as Mespinoza, is capable of exfiltrating and encrypting critical files and data, with the criminals specifically targeting higher education, K-12 schools and seminaries, the bureau warns. Install updates/patch operating systems, software, and firmware as soon as they are released. and others.

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How to Configure a Router to Use WPA2 in 7 Easy Steps

eSecurity Planet

Most of us connect our mobile devices to a Wi-Fi router for internet access, but this connection can leave our network and data vulnerable to cyber threats. To protect against those threats, a Wi-Fi Protected Access (WPA) encryption protocol is recommended. If this option is not available, you may need to upgrade the router firmware.

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Beyond the Office: Securing Home Devices and Networks Against Corporate Breaches

SecureWorld News

Turn off the internet connection if you will not be using it for an extended period. Use the administrator account only for maintenance, software installation, or firmware updates. Attention should be paid to protecting routers and updating their firmware. Ensure every device—from computers to smartphones—runs an updated OS.

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BlackByte ransomware breached at least 3 US critical infrastructure organizations

Security Affairs

“BlackByte is a Ransomware as a Service (RaaS) group that encrypts files on compromised Windows host systems, including physical and virtual servers.” Once gained access to the network, threat actors deployed tools to perform lateral movements and escalate privileges before exfiltrating and encrypting files.

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Bad Luck: BlackCat Ransomware Bulletin

Security Boulevard

Either way, this ransomware-for-hire has been around far longer (in internet terms) than the bulletin may have some believe, having been first seen in September 2021. The ransomware targets virtual machines and snapshots, looking to escape containers, encrypt any possible persistence, and wipe out backups that weren’t carefully archived.

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Weekly Vulnerability Recap – November 6, 2023 – Windows Drivers and Exchange Flaws

eSecurity Planet

Even though a security fix has been available since October 25, many internet-exposed servers are still at risk, and a number of security researchers have reported ransomware attacks exploiting the vulnerability. The problem: A security problem in Apache ActiveMQ lets attackers control systems remotely, making them highly vulnerable.