#CISA- #FBI Guidance for MSPs and their Customers Affected by the Kaseya VSA Supply-Chain #Ransomware #Attack

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Cybersecurity and Infrastructure Security Agency (CISA) - Defend Today, Secure Tomorrow

07/04/2021 12:29 PM EDT

 

Original release date: July 4, 2021
CISA and the Federal Bureau of Investigation (FBI) continue to respond to the recent supply-chain ransomware attack leveraging a vulnerability in Kaseya VSA software against multiple managed service providers (MSPs) and their customers. CISA and FBI strongly urge affected MSPs and their customers to follow the guidance below.

CISA and FBI recommend affected MSPs:

  • Contact Kaseya at support@kaseya.com with the subject “Compromise Detection Tool Request” to obtain and run Kaseya’s Compromise Detection Tool available to Kaseya VSA customers. The tool is designed to help MSPs assess the status of their systems and their customers’ systems.
  • Enable and enforce multi-factor authentication (MFA) on every single account that is under the control of the organization, and—to the maximum extent possible—enable and enforce MFA for customer-facing services.
  • Implement allowlisting to limit communication with remote monitoring and management (RMM) capabilities to known IP address pairs, and/or
  • Place administrative interfaces of RMM behind a virtual private network (VPN) or a firewall on a dedicated administrative network.

CISA and FBI recommend MSP customers affected by this attack take immediate action to implement the following cybersecurity best practices. Note: these actions are especially important for MSP customer who do not currently have their RMM service running due to the Kaseya attack.

CISA and FBI recommend affected MSP customers:

  • Ensure backups are up to date and stored in an easily retrievable location that is air-gapped from the organizational network;
  • Revert to a manual patch management process that follows vendor remediation guidance, including the installation of new patches as soon as they become available;
  • Implement:
    • Multi-factor authentication; and
    • Principle of least privilege on key network resources admin accounts.

Resources:

CISA and FBI provide these resources for the reader’s awareness.  CISA and FBI do not endorse any non-governmental entities nor guarantee the accuracy of the linked resources.

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Robert Williams

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