A SOC acts as a centralised unit dealing with security issues affecting the cyber-physical systems on or connected to a ship or fleet of ships
"..Are the IT systems protected and is access being monitored and managed?... A second consideration is the close monitoring of outbound connections originating from ship networks ...Systems, which require remote access, should be clearly defined, monitored and reviewed periodically...It is important when monitoring and managing systems to be aware of the networks’ status and to detect any unauthorised data traffic...."