When Calamity are engaged to critically review or assess security, we frequently take on the role of an attacker/adversary/thief/criminal to help our client identify issues before a genuine attacker/adversary/thief/criminal does. Security expert Bruce Schneier, who has also learned to 'think…

Combination locks have long been utilised, to secure items without the need for keys and the associated issues they present (key management, loss, difficulty of change). Several vendors of door furniture and locking hardware have developed and sold mechanical push-button…

Practically since their invention, alarm systems installed in a premises have been connected to another off-site location which could monitor the secured premises for any signs of intrusion. Over 160 years ago in 1853 Augustus Pope patented a battery operated…