Security is a term that is used to describe being protected against external threats. Security requires that protective measures be established to protect against a threat. The word secure if often used to describe a condition where security measures have been undertaken.
In the post 9-11 world, security has taken on greater importance. Governments are spending billions of dollars to protect themselves from external entities that threaten national security. Protecting the public from threats such as terrorism have become important issues. Critics claim this increased security has become a threat to privacy and human rights.
While in general, security is intended to protect against external threats, it is sometimes also designed to protect from internal threats. When someone is attempting to breach security, one of the best methods is to plant or recruit someone from within.
As technology advances, systems security has become an important issue. Systems now run or control many of the basic tasks in our society. Because of this, systems themselves often are targeted or attacked rather than individuals.
by Ed Dickson
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