There is an urgent need to safeguard confidential or official information and to make cyberspace risk-free. The awareness, knowledge, measures, guidance, and guidelines can help to detect security breaches. Essentially a system must have a Firewall, IDPS (Intrusion Detection and Prevention System), UTM (Unified Threat Management) & Antivirus.
Antivirus on individual servers or host machines checks all incoming traffic for any viruses or malicious code.