| Although the term 'computer security' is used a lot, the | | | | the resources and services they are entitled to, but |
| content of a computer is actually vulnerable to only a | | | | also to the fact that they can't be denied to access |
| few risks unless the computer is connected to others | | | | the resources they legitimately expect. Nonrepudiation |
| on a network. As the use of computer networks | | | | means that a person who sends a message cannot |
| (especially the Internet) has increased dramatically | | | | deny he sent it and vice versa.In addition to these |
| during the past few years, the term computer security | | | | technical aspects, the concept of computer security is |
| is now used to describe issues referring to the | | | | very large. Computer security's roots are drawn from |
| networked use of computers and their resources.The | | | | disciplines like ethics and risk analysis and the major |
| major technical areas of computer security are | | | | topics that are concerning it are computer crime (tries |
| confidentiality, integrity and authentication/availability.- | | | | to prevent, detect and remedy attacks) and identity |
| Confidentiality, also known as secrecy or privacy, | | | | anonymity in cyberspace.Although confidentiality, |
| means that the information you own cannot be | | | | integrity and authenticity are the most important things |
| accessed by unauthorized parties. Breaches of | | | | when it comes to computer security in general, for |
| confidentiality range from the embarrassing to the | | | | everyday internet users, privacy is the most important |
| disastrous.- Integrity means that your information is | | | | one, because many people think that they have |
| protected against unauthorized changes that are | | | | nothing to hide or the information they give doesn't |
| undetectable to authorized users. The integrity of | | | | seem sensitive when they register with an internet |
| databases and other resources are usually | | | | service/site.But remember that, on the internet, |
| compromised through hacking.- Authentication means | | | | information is very easily shared among companies |
| that an user is who he claims to be.- Availability means | | | | and small pieces of related information from different |
| that the resources are accessible by authorized | | | | sources can be linked together to form something alot |
| parties. Examples of availability attacks are the 'denial | | | | more complex about a person. Because of this, |
| of service' attacks.Other important things that the | | | | nowadays, the ability to maintain control over what |
| computer security professionals are concerned about | | | | information is collected about them, who may use it |
| are access control and nonrepudiation. Access control | | | | and how it can be used is extremely important. |
| refer not only to the fact that users can only access | | | | |