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NCSC warns of a surge in ransomware attacks on education institutions

Security Affairs

.” The NCSC also provided info about the initial infection vectors observed in the ransomware attacks: Insecure Remote Desktop Protocol (RDP) configurations Vulnerable Software or Hardware Phishing emails. backup servers, network shares, servers, auditing devices). PowerShell) to easily deploy tooling or ransomware.

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

Hot for Security

The group typically gains access to victim networks by compromising Remote Desktop Protocol (RDP) credentials and/or through phishing emails, the FBI notes. The cyber actors conduct network reconnaissance and execute commands to deactivate antivirus capabilities on targeted systems before deploying the ransomware. and others.

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Ranzy Locker ransomware hit tens of US companies in 2021

Security Affairs

In recent attacks, the group also exploited known Microsoft Exchange Server vulnerabilities and used phishing messages to target computer networks. 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.

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

eSecurity Planet

TA505 is well-known for its involvement in global phishing and malware dissemination. Their victims include hundreds of companies worldwide, and they engage in various illegal activities, including providing ransomware-as-a-service, acting as an initial access broker, and orchestrating large-scale phishing assaults and financial fraud.

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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. ransomware and phishing scams).

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

SecureWorld News

Use the 3-2-1 backup rule. Use the administrator account only for maintenance, software installation, or firmware updates. Attention should be paid to protecting routers and updating their firmware. While OS updates are now commonly practiced, router firmware updates remain an overlooked aspect.

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Ransomware: February 2022 review

Malwarebytes

Observed since: December 2021 Ransomware note: SURTR_README.hta Ransomware extension: surtr Kill Chain: Spear-Phishing > MalDoc > Surtr Ransomware Sample hash: 40e5bb0526169c02126ffa60a09041e5e5453a24b26bc837036748b150fa3fae. Implement regular backups of all data to be stored as air-gapped, password-protected copies offline.