One Of The Most Important Aspects Of A Bank Vault System Is Security. A Vault Can Be Breached In The Absence Of Adequate And Robust Security. The Majority Of Systems Rely On Security Protocols That Are Supportive Of Humans. This Paper's Primary Goal Is To Build An Automated System Using Microcontrollers That Can Provide Rapid Defense Against Physical Or Cyber Intrusions And Promptly Alert Law Enforcement To Any Threats. A Microprocessor, A Shock Sensor, A Keypad With A Display Panel, And A Passive Infrared Sensor Make Up The System.