RAM (Random Access Memory) is the short-term very fast memory your computer uses, not to be confused with a hard-disk, which generally are larger, but much slower. If you buy the cheapest available computer from Dell, today, it will ship…

The Global Financial Crisis has cause many companies to tighten their belts, and find ways of reducing expenses and limiting capital outlay. In many cases, security expenditure is in the crosshairs, though often for completely the wrong reason. When security…

Alarms and Access Control Systems Does your alarm system use 'time zones' to automatically arm and disarm itself, or control other devices such as air-conditioning, lights or doors? Do you have systems to electronically control physical access to your premises?…

As Sam lay on his deathbed, he was complaining to his lawyer: "I was an amazing doctor. I saved hundreds of lives. Do they call me Sam the great physician? Noooo. I must have given millions of dollars to charities…

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…