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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. Use multifactor authentication where possible.

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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. Use double authentication when logging into accounts or services.

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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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Wannacry, the hybrid malware that brought the world to its knees

Security Affairs

To restore functionality without having to decrypt files and pay a possible ransom (not recommended), it is always advisable to adequately safeguard backups, adopting backup strategies according to the 3-2-1 rule: keep at least 3 copies of company data in 2 different formats, with 1 copy offline and located off-site.

Malware 100
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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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US CISA and FBI publish joint alert on DarkSide ransomware

Security Affairs

Require multi-factor authentication for remote access to OT and IT networks. After assessing risks, if RDP is deemed operationally necessary, restrict the originating sources and require multi-factor authentication. Set antivirus/antimalware programs to conduct regular scans of IT network assets using up-to-date signatures.

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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., Use multifactor authentication where possible. Use multifactor authentication where possible.