The 64 pages may be split into four groups of 16 pages. The additional provision that the CEO only carry one key to everything triggers the replacement of the master key system.Ī typical six-pin system may have a TMK that can access all 64 pages of key combinations. Issuing top master keys in this manner drastically limits the ability of the locksmith to provide effective keying.Ī typical scenario occurs when a new CEO wants to have areas keyed so that others who possess the TMK are locked out.

The proliferation of top master keys can lead to compromise simply by the number of executives possessing them.

As others attain the same 'status,' they demand issuance of the TMK. In the work environment, executives will often procure the TMK (Top Master Key) regarding its possession as an indicator of their personal status. Locksmiths, emergency responders and roving guards are on the short list. A person's job functions dictate the need to possess master keys. the keys that open everything in the system) should be strictly limited to the very few who actually need them. The issuance of high level master keys (i.e. Master key systems can 'break' in similar ways.Ĭompromise of master keys is the number one reason why master key systems are replaced. When a computer network is 'broken,' management understands the need for immediate repair regardless of expense. Once management understands the comparison, it will be easier to for the locksmith to communicate needs. Computer network systems eventually have to be replaced or upgraded. Management hires specialists to maintain the networks and manage data. It affects productivity, security, and safety. The computer network system manages information and access to information. Master key systems are very similar to computer network systems. There is a quick means to bring management up to speed as there are other systems that management is well aware of that exactly parallel what the locksmith does. The locksmith would be better served if management had a better understanding. Management usually has no idea at all how it works and strictly relies on the locksmith to make things happen, usually without giving the locksmith credit as a knowledgeable professional. Management is more likely to consider the locksmith as applying an arcane lock-by-lock technique to turn different keys on and off. Locksmiths not only understand the mechanics of a master key system, but also have a technical understanding of how master-keying works.Ĭompany management probably does not even know the locksmith is using a formal master key system. Master key systems are a means of controlling access to places and things while having a direct influence on safety and security. It is important to understand what symptoms will lead to master key system failure.Ī master key system is any keying arrangement having two or more levels of keying. But when locksmiths pass this information to management, it is often ignored as the cost to replace a system is expensive and judgment calls usually side on 'let's wait until we absolutely have to act.' Usually there are many symptoms that can be detected before a master key system is fully defective.Īs the person who performs service to the system, the locksmith is the first person to discover symptoms and can predict irreparability. It is rare when a singular event leads to the replacement of a master key system.

Padlock master key system