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security |
Also found in: Legal, Financial, Wikipedia, Hutchinson | 0.01 sec. |
securityIn finance, written evidence of ownership conferring the right to receive property not currently in the holder's possession. The most common securities are stocks and bonds. Governments, companies, and financial institutions use securities to raise money. Stocks are securities issued in the form of equity ownership. Bonds are securities that take the form of debt. They constitute promises to pay a specified amount at a specified date and to pay interest at a specified rate in the interim. Most government securities are bonds that pay a fixed amount of interest per year; unlike commercial securities, their repayment is guaranteed. Both stocks and bonds are traded publicly on organized exchanges such as the New York Stock Exchange, the London Stock Exchange, and the Tokyo Stock Exchange. External forces such as international troubles, changes in government policies, and trends in foreign stock markets all have an effect on security prices. For individual stocks, the company's current and prospective financial performance play an important role, as do overall trends within its business sector. See also investment; saving. securitySee computer security and information security. security 1. something given or pledged to secure the fulfilment of a promise or obligation 2. a person who undertakes to fulfil another person's obligation 3. the protection of data to ensure that only authorized personnel have access to computer files security [si′kyu̇r·əd·ē] (computer science) The existence and enforcement of techniques which restrict access to data, and the conditions under which data may be obtained. (electricity) The ability of an electric power system to suitably respond to disturbances arising within that system, including both local and widespread disturbances and the loss of major generation and transmission facilities. (ordnance) Measures taken by a command to protect itself from espionage, observation, sabotage, annoyance, or surprise. A condition which results from the establishment and maintenance of protective measures which ensure a state of inviolability from hostile acts or influences. Protection of supplies or supply establishments against enemy attack, fire, theft, and sabotage.
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| Every significant issue in information security was covered by over 100 speakers, who ranged from Lords and MPs to security experts and senior executives* The speakers gave their insight and practical advice on how to tackle the hot issues and pain points facing organisations of every size from governments and large enterprises to SMEs. Truman was credited with bring post-WW II order: both former aides to the President and seasoned national security experts blend memories with analysis in a coverage recommended for any college-level library strong in political science and American history. Truman was credited with bring post-WW II order: both former aides to the President and seasoned national security experts blend memories with analysis in a coverage recommended for any college-level library strong in political science and American history. |
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