When ship security alert system activated?

Initiate and transmit a ship-to-shore security alert to a competent authority designated by the Administration, which in these circumstances may include the Company, identifying the ship, its location and indicating that the security of the ship is under threat or it has been compromised and continue the ship security alert until deactivated and/or reset.
For security reasons, a ship security alert system is necessary on board for initiating and transmitting a ship-to-shore security alert to a competent authority designated by the Administration.
Mandatory requirements and guidance for SSAS system.