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SecuritySecurity is being free from danger. In absolute sense this is hardly possible, it is a relative matter. The term can be used with reference to crime, accidents of all kinds, etc.
Note that Security should not be confused with Safety. In some languages (e.g. German, Swedish ...) both meanings are represented by the same word. In Hebrew language security is a name of action ( אבטחה , avtacha ) which sould lead to safety ( ביטחון , bitachon ); Both words are derived from the same root bet-tet-heth ב-ט-ח .
Finance
In finance, a security is an instrument traded in the financial markets. See Securities.
Private security
In private security, security is the result of services provided to prevent, deter, detect and/or document crime, fire, disorder or violations of company rules. These services may be provided by a security guard or by alarms, security cameras, or as a routine part of the performance of every employee's duties (especially in smaller companies).
Compare with: National security
Telecommunications
In telecommunication, the term security has the following meanings:
- A condition that results from the establishment and maintenance of protective measures that ensure a state of inviolability from hostile acts or influences.
- With respect to classified matter, the condition that prevents unauthorized persons from having access to official information that is safeguarded in the interests of national security.
- Measures taken by a military unit, an activity or installation to protect itself against all acts designed to, or which may, impair its effectiveness.
Sources: from Federal Standard 1037C and adapted from the Department of Defense Dictionary of Military and Associated Terms and from the Department of Defense Dictionary of Military and Associated Terms
Another proposed alternative definition:
- When our expectations are met, we can say that quality has been met. When our expectations are met once and again, despite of errors, catastrophes and attacks which in principle could prevent our expectations to be met, we can say that security has been met. Security is not falsable (Popper). We can prove that there has been a security failure, but we can´t prove that there hasn't. Security measures improve the likeliness of expectations to be met, and therefore improve security. With respect to classified matter there is an expectation of the classified matter to remain secret for as long as we wish. A control access system is the security measure that helps this expectation to be accomplished.
See also: classified information, insecurity, information security, computer security, hacking, cracking, phreaking, CISSP, search.
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W3C Security Resources
Links to security initiatives such as PICS Signed Labels, and XML-DSig. (W3C)
http://www.w3.org/Security/
Caleb15.com
Security for Windows 95/98/NT/2000; Protection against trojans, D.o.S, viruses and other forms of intrusion. A large database for GNU/Linux and other free operating systems. Downloadable programs and information on related subjects.
http://www.caleb15.com/
Network Security, Filters and Firewalls
General introduction to network security issues and solutions in the Internet
http://www.acm.org/crossroads/xrds2-1/security.html
Tiger Tools, Inc.
Tools for a professional security analysis.
http://www.tigertools.net/
Hacker-Network
Computer network and internet security. Up to date exploits and links to other security related pages.
http://www.geocities.com/hackernet_99/
Common Vulnerabilities and Exposures
A searchable database of internet security problems.
http://www.cve.mitre.org/
Dingbat's Warehouse
Information about viruses, intrusion detection software, personal firewalls, and privacy. Hosts a streaming webcast called The Byte Show on security-related topics; CD-ROMs of interviews and software available.
http://www.thebyteshow.com/
Covert Channels in the TCP/IP Protocol Suite
Article on how to secretly transmit information using TCP headers.
http://www.firstmonday.dk/issues/issue2_5/rowland/
Why the Internet is not secure.
An explanation of why consumer communications over the Internet are presently not secure.
http://www.hydrophones.com/insecure.html
SuraSoft
Offers news, tutorials, articles, and forum.
http://www.surasoft.com/
About.com Internet/Network Security
Featuring articles and web links on Internet and network security for the Unix and Windows platforms.
http://netsecurity.about.com/index.htm
Megasecurity
Security news, firewalls, antivirus, trojans, worms, vulnerabilities, exploits.
http://www.megasecurity.org/
Dutch Security Information Network
Security news and links in English and Dutch.
http://www.dsinet.org/
Operation Security
Directory of links and tools.
http://www.operationsecurity.com/
Internet Security Sources
Directory of annotated links to security, privacy, and anti-virus resources.
http://www.internet-security-sources.com/
Intelligent Hacker's Choice
Mailing list archives, technical articles, ask the expert, and news.
http://www.netsys.com/
My online security
Security portal, providing internet security related news, resources, tools and services.
http://www.myonlinesecurity.com
Security Audit and Internal Audit Shop
Security audit checklists, plans and reference material.
http://www.security-audit-internal-audit.com
Baltimore Technologies
Public Key Infrastructure specialists offer security solutions, including certificate authorities, cryptographic toolkits for Java, C and XML; hardware cryptographic devices and security applications.
http://www.baltimore.com/
wINJECT
Low-level packet builder/injector for win9x dialup users. It allows you to create custom packets with real or spoofed IP addresses.
http://big.badlink.net
NetWolves
Makes Internet gateway solutions for LAN-to-Internet connectivity. The FoxBox is an e-business platform for distance learning, data-security, VPN networks.
http://www.netwolves.com/new_netwolves/index.php
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