📁 安全
Concerns the protection of system resources and data from unauthorized use or access in stand alone or networked environments. Security measures are implemented through a combination of software, hardware and physical restrictions. They can operate across different selections of content from individual files up to an entire networked enterprise. Tools used to secure systems environments include authentication systems, intrusion detection systems, firewalls, anti-virus software, biometrics, virtual private networks and cryptography.
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条目 (20+)
The Events Surrounding the Battle of Kosovo 1389 and its Cultural Effect on the Serbian People
http://mdgottfried.tripod.com/kosovo.htm
The Economist - The Battle of Hope and Experience
http://www.economist.com/node/12321683
The Left Coaster - 2008 Election Archives
http://www.theleftcoaster.com/archives/cat_2008_election.php