Critical Advisory: Protecting Against Interlock Ransomware Attacks
TL;DR
A joint advisory from CISA, the FBI, the Department of Health and Human Services, and the Multi-State Information Sharing and Analysis Center highlights the threats posed by Interlock ransomware and provides mitigation strategies for businesses and critical infrastructure organizations in North America and Europe.
Main Content
CISA, in partnership with the Federal Bureau of Investigation (FBI), the Department of Health and Human Services, and the Multi-State Information Sharing and Analysis Center, has issued a joint Cybersecurity Advisory. This advisory aims to protect businesses and critical infrastructure organizations in North America and Europe against the emerging threat of Interlock ransomware.
Key Highlights of the Advisory
The advisory emphasizes known indicators of compromise and tactics, techniques, and procedures identified through recent FBI investigations. It outlines several mitigation strategies that organizations can implement immediately:
- Prevent Initial Access: Implement domain name system filtering and web access firewalls. Train users to recognize social engineering attempts to prevent initial infiltration.
- Mitigate Known Vulnerabilities: Ensure that operating systems, software, and firmware are patched and up-to-date to minimize vulnerabilities.
- Network Segmentation: Segment networks to restrict lateral movement from initially infected devices to other devices within the same organization.
- Identity and Access Management: Implement robust identity, credential, and access management policies. Require multifactor authentication for all services where possible.
Ongoing Efforts Against Ransomware
The #StopRansomware Interlock joint Cybersecurity Advisory is part of an ongoing effort to provide guidance for network defenders. This initiative details various ransomware variants and threat actors, offering essential resources to combat ransomware. For more information, visit stopransomware.gov to access all #StopRansomware advisories and learn about other ransomware threats and no-cost resources.
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Conclusion
The joint advisory underscores the critical need for proactive measures to safeguard against Interlock ransomware. By adhering to the recommended mitigation strategies, organizations can significantly enhance their cybersecurity posture and protect against potential ransomware attacks.
Additional Resources
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