You can connect any intrusion detection unit (such as a light fence or a motion sensor) to the input connector J2. Note that an active-low (L) at pin 1 of connector J2 triggers the security system.

Arduino Based Wireless Intrusion Detection Using IR Sensor and GSM. Intrusion Detection Systems (IDS) strive to catch computer system intrusion & utilize by any garnering and analyzing data.

Intrusion detection systems do have several recognized management challenges that may be more work than an organization is willing or able to take on. False positives (i.e., ...