MSSP explained

MSSP may refer to:

• Managed Security Service Provider, who provides security services for companies
• Microsoft Smooth Streaming Protocol, a computer networking protocol designed to support adaptive media streaming
• Mobile Service Switching Point, see Service Switching Point
• Medicare Shared Savings Program, established by section 3022 of the Affordable Care Act
• Master Synchronous Serial Port, a module of a PIC microcontroller that is used for communication with other peripherals
• Missionary Society of St Paul (Malta)