Managed Service Providers (MSPs) play a critical role in assisting organizations with IT-related tasks, but they also pose inherent risks due to their elevated access privileges, making them attractive targets for threat actors. The text discusses the potential dangers of MSP breaches, illustrated by the REvil ransomware attack on Kaseya, which affected numerous downstream companies. It emphasizes the importance of a shared security responsibility model between MSPs and their customers, urging the latter to proactively assess the security measures implemented by their MSPs. Key considerations include the MSP's endpoint protection and monitoring solutions, vulnerability management programs, and the use of multifactor authentication. The text also recommends conducting regular security exercises, such as penetration tests and red-team assessments, to identify vulnerabilities and improve response strategies. Additionally, it highlights the need for advanced endpoint protection platforms and dedicated internal or managed incident response teams to ensure comprehensive threat detection and remediation.