security - definition in the Business English Dictionary - Cambridge Dictionaries Online

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English definition of “security”

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security

noun
 
 
/sɪˈkjʊərəti/
[U] the protection of people, organizations, countries, etc. against a possible attack or other crime: border/homeland/national securityboost/improve/tighten security Airport security has been tightened since the terrorist threat. lax/strict/tight security He was head of security at the Federal Aviation Administration. security firm/contractor/companysecurity system/check/measure Anyone entering the building has to undergo a series of security checks. The airport was temporarily closed due to a security alert. security cameras/lights/doors
[U] IT, BANKING, INTERNET the protection of information against being stolen or used wrongly or illegally: data/information/IT securitysecurity measures/checks/controls The bank has taken additional security measures to ensure accounts are protected.
[U] the fact or feeling that your job, money, etc. is safe and you will not lose it: He left the relative security of a corporate job to set up on his own.give/offer sb security His 15-year career in investment banking has given him the financial security to transfer his skills to the voluntary sector. economic/financial security They are concerned about the security of their investments.
[C, usually plural] ( plural securities) FINANCE, STOCK MARKET a financial investment such as a bond or share that is traded on a financial market: buy/hold/sell securities Investors who bought securities made up of subprime loans suffered the biggest losses. deal in/invest in/issue securities a securities agreement/audit/dealer a securities business/company/house
[U] FINANCE property or goods that you promise to give someone if you cannot pay them what you owe them: give/offer/pledge sth as security She signed papers pledging their home as security against the loan.
→  See also asset-backed , bearer security , continuing security , convertible security , dated security , employment security , food security , fixed-interest security , gilts , government security , job security , listed security , long-term security , marketable security , medium-term security , mortgage-backed , negotiable , short-term security , undated security , unlisted security
(Definition of security from the Cambridge Business English Dictionary © Cambridge University Press)
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