Hosting options of PCI Compliance has various types of firewalls, including dedicated firewall appliances, virtual private firewalls, and shared firewalls. Intrusion Detection Service (IDS) This is the software or hardware that gives alerts about network or system intrusions. This system might have alert sensors, a centralized logging system and monitoring options to keep track of events.
Intrusion Prevention Service (IPS) It is same as the Intrusion Detection Service, while IDS detects the intrusions the IPS tries to prevent the intrusions or possibly block the intrusions detected by the IDS. Penetration Test This is a test conducted on applications and network and also on processes and controls, to check any vulnerability and to know about how much at risk is the security and how openly can security be accessed or breached.