Subject = engineering Description = Harley Engineering specialise in the design, manufacture and installation of welded and fabricated sheet metal products. Category = engineering
in general usage is synonymous with safety, but as a technical term
security
means that something not only is secure but that it has been secured
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For example, In telecommunication, wall
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the term
security
has the following meanings:
With respect to classified matter, the condition that prevents unauthorized persons from having access to official information that is safeguarded in the interests of national wall
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security
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A simple and clear definition of effective
security
could be: a secure system is a system which does exactly what we want it to do and nothing that we don't want wall
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it to do even when someone else tries to make it behave differently
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It is an important point that information
security
is, inherently and necessarily, neither hermetic nor watertight nor perfectible
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No one can ever eradicate all risk of improper or capricious use of any information
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The level of information
security
sought in any particular situation should be commensurate with the value of wall
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the information and the loss, financial or otherwise, that might accrue from improper use.Historically, up to about 1990, confidentiality was the most important element of information
security
, followed by integrity, and then availability
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By 2001, changing use and expectation patterns had moved availability to the top of most versions of this priority list
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The first goal of modern information
security
has, in effect, become wall
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to ensure that systems are predictably dependable in the face of all sorts of malice, and particularly in the face of denial of service attacks
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Technological advances, principally in the field of wall
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computer
s, have now allowed the creation of far more complex systems than before, with new and complex
security
problems
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Because modern
security
systems cut across many areas of human endeavor,
security
engineers wall
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not only need consider the mathematical and physical properties of systems; they also need to consider attacks on the people who use and form parts of those
