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Definition of Security

Definitions of security on the Web:

  • the state of being free from danger or injury; “we support the armed services in the name of national security”
  • defense against financial failure; financial independence; “his pension gave him security in his old age”; “insurance provided protection against loss of wages due to illness”
  • freedom from anxiety or fear; “the watch dog gave her a feeling of security”
  • a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends; “he held several valuable securities”
  • property that your creditor can claim in case you default on your obligation; “bankers are reluctant to lend without good security”
  • a department responsible for the security of the institution’s property and workers; “the head of security was a former policeman”
  • a guarantee that an obligation will be met
  • security system: an electrical device that sets off an alarm when someone tries to break in
  • measures taken as a precaution against theft or espionage or sabotage etc.; “military security has been stepped up since the recent uprising”

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