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6 definitions found
 for security
From The Collaborative International Dictionary of English v.0.48 :

  Security \Se*cu"ri*ty\, n.; pl. Securities. [L. securitas: cf.
     F. s['e]curit['e]. See Secure, and cf. Surety.]
     1. The condition or quality of being secure; secureness.
        Specifically:
        (a) Freedom from apprehension, anxiety, or care;
            confidence of power or safety; hence, assurance;
            certainty.
            [1913 Webster]
  
                  His trembling hand had lost the ease,
                  Which marks security to please.   --Sir W.
                                                    Scott.
            [1913 Webster]
        (b) Hence, carelessness; negligence; heedlessness.
            [1913 Webster]
  
                  He means, my lord, that we are too remiss,
                  Whilst Bolingbroke, through our security,
                  Grows strong and great in substance and in
                  power.                            --Shak.
            [1913 Webster]
        (c) Freedom from risk; safety.
            [1913 Webster]
  
                  Give up yourself merely to chance and hazard,
                  From firm security.               --Shak.
            [1913 Webster]
  
                  Some . . . alleged that we should have no
                  security for our trade.           --Swift.
            [1913 Webster]
  
     2. That which secures or makes safe; protection; guard;
        defense. Specifically:
        (a) Something given, deposited, or pledged, to make
            certain the fulfillment of an obligation, the
            performance of a contract, the payment of a debt, or
            the like; surety; pledge.
            [1913 Webster]
  
                  Those who lent him money lent it on no security
                  but his bare word.                --Macaulay.
            [1913 Webster]
        (b) One who becomes surety for another, or engages himself
            for the performance of another's obligation.
            [1913 Webster]
  
     3. An evidence of debt or of property, as a bond, a
        certificate of stock, etc.; as, government securities.
        [1913 Webster]
  
     Syn: Protection; defense; guard; shelter; safety; certainty;
          ease; assurance; carelessness; confidence; surety;
          pledge; bail.
          [1913 Webster]

From WordNet (r) 3.0 (2006) :

  security
      n 1: the state of being free from danger or injury; "we support
           the armed services in the name of national security" [ant:
           insecurity]
      2: 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"
         [syn: security, protection]
      3: freedom from anxiety or fear; "the watch dog gave her a
         feeling of security"
      4: 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"
         [syn: security, certificate]
      5: property that your creditor can claim in case you default on
         your obligation; "bankers are reluctant to lend without good
         security" [syn: security, surety]
      6: a department responsible for the security of the
         institution's property and workers; "the head of security was
         a former policeman" [syn: security, security department]
      7: a guarantee that an obligation will be met [syn: security,
         surety]
      8: an electrical device that sets off an alarm when someone
         tries to break in [syn: security system, security
         measure, security]
      9: measures taken as a precaution against theft or espionage or
         sabotage etc.; "military security has been stepped up since
         the recent uprising" [syn: security, security measures]

From Moby Thesaurus II by Grady Ward, 1.0 :

  188 Moby Thesaurus words for "security":
     Easy Street, aegis, affluence, aplomb, armament, armor, arrogance,
     aspiration, assumption, assurance, assured faith, assuredness,
     asylum, authenticity, authoritativeness, bail, balance,
     balanced personality, bamboo curtain, barrier of secrecy,
     bed of roses, belief, blackout, bond, calculability, care,
     censorship, certainty, certification, certitude,
     cheerful expectation, clear sailing, clover, cocksureness,
     collateral, comfort, confidence, confidentness, constancy,
     conviction, cool, courage, curtain, custodianship, custody,
     dependability, dependence, deposit, desire, doomed hope, earnest,
     ease, easy circumstances, equilibrium, expectation, fair prospect,
     faith, faithworthiness, fastness, felicity, fervent hope, firmness,
     fleshpots, gage, good cheer, good hope, gracious life,
     gracious living, great expectations, guarantee, guaranty, guard,
     guarding, happiness, harmlessness, high hopes, homeostasis, hope,
     hopeful prognosis, hopefulness, hopes, hoping, hoping against hope,
     hubris, hush-up, immunity, imperturbability, insurance,
     invariability, invincibility, invulnerability, iron curtain,
     ironbound security, lap of luxury, life of ease, loaves and fishes,
     luxury, nerve, oath of secrecy, official secrecy, overconfidence,
     oversureness, overweening, overweeningness, pall, pawn, pledge,
     poise, pomposity, positiveness, prayerful hope, predictability,
     presumption, pride, promise, prospect, prospects, prosperity,
     prosperousness, protection, refuge, reliability, reliance,
     repression, risklessness, rootedness, safeguard, safeguarding,
     safeness, safety, sanctuary, sang-froid, sanguine expectation,
     seal of secrecy, secureness, self-assurance, self-confidence,
     self-importance, self-reliance, settled belief, shelter, shield,
     smothering, solidity, soundness, stability, stable equilibrium,
     stable state, stableness, staunchness, steadfastness, steadiness,
     steady nerves, steady state, stifling, strength,
     subjective certainty, substantiality, success, suppression,
     sureness, surety, surveillance, the affluent life, the good life,
     thriving condition, token, trust, trustworthiness,
     undeflectability, unerringness, uniformity, unshakable nerves,
     unshakableness, upward mobility, validity, veil, veil of secrecy,
     velvet, ward, warrant, warranty, weal, wealth, welfare, well-being,
     well-grounded hope, wraps
  
  

From The Free On-line Dictionary of Computing (18 March 2015) :

  security
  computer security
  
      Protection against unauthorized access to, or
     alteration of, information and system resources including
     CPUs, storage devices and programs.
  
     Security includes:
  
     * confidentiality - preventing unauthorized access;
     integrity - preventing or detecting unauthorized
     modification of information.
  
     * authentication - determining whether a user is who they
     claim to be.
  
     * access control - ensuring that users can access the
     resources, and only the resources, that they are authorised
     to.
  
     * nonrepudiation - proof that a message came from a certain
     source.
  
     * availability - ensuring that a system is operational and
     accessible to authorised users despite hardware or software
     failures or attack.
  
     * privacy - allowing people to know and control how
     information is collected about them and how it is used.
  
     Security can also be considered in the following terms:
  
     * physical security - who can touch the system to operate or
     modify it, protection against the physical environment - heat,
     earthquake, etc.
  
     * operational/procedural security - who is authorised to do or
     responsible for doing what and when, who can authorise others
     to do what and who has to report what to who.
  
     * personnel security - hiring employees, background screening,
     training, security briefings, monitoring and handling
     departures.
  
     * System security - User access and authentication controls,
     assignment of privilege, maintaining file and filesystem
     integrity, backup, monitoring processes, log-keeping, and
     auditing.
  
     * network security - protecting network and
     telecommunications equipment, protecting network servers and
     transmissions, combatting eavesdropping, controlling access
     from untrusted networks, firewalls, and intrusion detection.
  
     Encryption is one important technique used to improve data
     security.
  
     OWASP is the free and open application security
     community.
  
     (2007-10-05)
  

From Bouvier's Law Dictionary, Revised 6th Ed (1856) :

  SECURITY. That which renders a matter sure; an instrument which renders 
  certain the performance of a contract. The term is also sometimes applied to 
  designate a person who becomes the surety for another, or who engages 
  himself for the performance of another's contract. See 3 Blackf. R. 431. 
  
  

From U.S. Gazetteer Places (2000) :

  Security-Widefield, CO -- U.S. Census Designated Place in Colorado
     Population (2000):    29845
     Housing Units (2000): 10177
     Land area (2000):     14.522255 sq. miles (37.612466 sq. km)
     Water area (2000):    0.493456 sq. miles (1.278046 sq. km)
     Total area (2000):    15.015711 sq. miles (38.890512 sq. km)
     FIPS code:            68847
     Located within:       Colorado (CO), FIPS 08
     Location:             38.744731 N, 104.723226 W
     ZIP Codes (1990):    
     Note: some ZIP codes may be omitted esp. for suburbs.
     Headwords:
      Security-Widefield, CO
      Security-Widefield
      Security, CO
      Security
  

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