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Avoslocker ransomware gang targets US critical infrastructure

Security Affairs

Implement network segmentation and maintain offline backups of data to ensure limited interruption to the organization. Regularly back up data, password protect backup copies offline. Install and regularly update antivirus software on all hosts, and enable real time detection. Disable hyperlinks in received emails.

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BlackCat Ransomware gang breached over 60 orgs worldwide

Security Affairs

Regularly back up data, air gap, and password-protect backup copies offline. Review antivirus logs for indications they were unexpectedly turned off. Implement a recovery plan to maintain and retain multiple copies of sensitive or proprietary data and servers in a physically separate, segmented, secure location (e.g.,

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Ranzy Locker ransomware hit tens of US companies in 2021

Security Affairs

Below are the recommended mitigations included in the alert: Implement regular backups of all data to be stored as air gapped, password protected copies offline. Install and regularly update antivirus software on all hosts, and enable real time detection.

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FBI and CISA are warning of APT actors targeting Fortinet FortiOS servers

Security Affairs

Regularly back up data, air gap, and password protect backup copies offline. Implement a recovery plan to restore sensitive or proprietary data from a physically separate, segmented, secure location (e.g., Regularly change passwords to network systems and accounts, and avoid reusing passwords for different accounts. .

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BlackByte ransomware breached at least 3 US critical infrastructure organizations

Security Affairs

The report includes MD5 hashes of suspicious ASPX files discovered on compromised Microsoft Internet Information Services (IIS) servers and a list of commands used by ransomware operators observed by the researchers. Install and regularly update antivirus software on all hosts, and enable real time detection.

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FBI warns of PYSA Ransomware attacks against Education Institutions in US and UK

Security Affairs

Once compromised the target network, attackers attempt to exfiltrate the company’s accounts and passwords database. Operators behind the Pysa ransomware, also employed a version of the PowerShell Empire penetration-testing tool, they were able to stop antivirus products. newversion file extension instead of .

Education 100
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Fxmsp: the untold story of infamous seller of access to corporate networks who made at least USD 1.5 mln

Security Affairs

Fxmsp gained worldwide fame in May 2019, after it was reported that the networks belonging to leading antivirus software companies had been compromised. According to media reports, Fxmsp had managed to compromise networks belonging to three antivirus software vendors. Finally, he infects the backups by installing backdoors.