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Bad Luck: BlackCat Ransomware Bulletin

Security Boulevard

It targets Active Directory to spread via GPO, primarily working with Windows administrative tools for spread, outside connection, and disabling security features like antivirus. Regularly back up data, air gap, and password protect backup copies offline. Review antivirus logs for indications they were unexpectedly turned off.

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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. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released. Implement the shortest acceptable timeframe for password changes.

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Half of EDR Tools, Organizations Vulnerable to Clop Ransomware: Researchers

eSecurity Planet

Backup and Restoration: Keep offline backups of data and execute backup and restore on a regular basis. Encrypt backup data to ensure the data infrastructure’s immutability and coverage. Endpoint Security: Install and update antivirus software on all hosts.

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

Hot for Security

The cyber actors conduct network reconnaissance and execute commands to deactivate antivirus capabilities on targeted systems before deploying the ransomware. The notice also includes mitigation steps like: Regularly back up data, air gap and password-protect backup copies offline. Implement network segmentation. and others.

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

SecureWorld News

Use the 3-2-1 backup rule. Even harmless details, such as pet names or birthplaces, can be used by hackers to reset passwords. Use the administrator account only for maintenance, software installation, or firmware updates. Opt for strong, hard-to-crack passwords. Consider using dedicated password manager apps.