The cybersecurity authorities of the UK, Australia, Canada, New Zealand, and the US have observed a recent increase in malicious cyber activity against managed service providers (MSPs). Allied cybersecurity authorities expect state-sponsored cyber actors to increase their targeting of MSPs in an attempt to exploit provider-customer trust relationships. This advisory includes security guidance tailored for both MSPs and their customers.  AA22-131A Alert, Technical Details, and Mitigations Technical Approaches to Uncovering and Remediating Malicious Activity Mitigations and Hardening Guidance for MSPs and Small- and Mid-sized Businesses APTs Targeting IT Service Provider Customers ACSC's Managed Service Providers: How to manage risk to customer networks  Global Targeting of Enterprise Managed Service Providers Cyber Security Considerations for Consumers of Managed Services  How to Manage Your Security When Engaging a Managed Service Provider Kaseya Ransomware Attack: Guidance for Affected MSPs and their Customers Baseline Cyber Security Controls for Small and Medium Organizations Actions to take when the cyber threat is heightened Top 10 IT Security Action Items to Protect Internet Connected Networks and Information CCCS's Alert: Malicious Cyber Activity Targeting Managed Service Providers  CISA Cybersecurity Alert: APT Activity Exploiting MSPs (2018) CISA Cyber Essentials and CISA Cyber Resource Hub  Improving Cybersecurity of Managed Service Providers  Shields Up Technical Guidance All organizations should report incidents and anomalous activity to CISA’s 24/7 Operations Center at central@cisa.dhs.gov or (888) 282-0870 and to the FBI via your local FBI field office or the FBI’s 24/7 CyWatch at (855) 292-3937 or CyWatch@fbi.gov. Learn more about your ad choices. Visit megaphone.fm/adchoices