Network Security & Monitoring is the collection, analysis, and escalation of signals and warnings to distinguish and react to intrusions on computer  networksNetwork security monitoring tools archetypally have topographies such as:  Network-based threat detection. Security systems officials  are in charge of the quotidian operation of security systems , and can carry out things like systems monitoring and rushing customary backups; fixing up, deleting and maintaining individual user accounts; and expanding organizational  security practices. There are three crucial areas that  security mechanisms fall under. These areas are management security , operational security and physical  security which controls Security monitoring , sometimes referred to as “security information  monitoring (SIM)” or “security event  monitoring (SEM),” encompasses collecting and analysing information to detect apprehensive comportment or unauthorized system changes on your network, defining which types of actions should trigger alerts, and taking control.