Intruder Alarms detects an attempted intrusion or unauthorized entry into a secure building, room, location or installation and trigger a response. Well-equipped and maintained intruder alerts can make organizations and individuals less likely to fall victim to burglary, vandalism, and other forms of attack.
Keeping your network safe from intrusion is one of the most important parts of system and network security and management. If your network is compromised by a malicious attacker, it can lead to huge losses for your business, including potential downtime, data breaches and loss of customer trust.

There are many different types of intrusion alarms, with a choice based on personal preference, location, building size, level of protection required, monitoring, response method etc.