Computer Security - What Exactly Is It?

Although the term 'computer security' is used a lot, thethe resources and services they are entitled to, but
content of a computer is actually vulnerable to only aalso to the fact that they can't be denied to access
few risks unless the computer is connected to othersthe resources they legitimately expect. Nonrepudiation
on a network. As the use of computer networksmeans that a person who sends a message cannot
(especially the Internet) has increased dramaticallydeny he sent it and vice versa.In addition to these
during the past few years, the term computer securitytechnical aspects, the concept of computer security is
is now used to describe issues referring to thevery large. Computer security's roots are drawn from
networked use of computers and their resources.Thedisciplines like ethics and risk analysis and the major
major technical areas of computer security aretopics 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 beintegrity and authenticity are the most important things
accessed by unauthorized parties. Breaches ofwhen it comes to computer security in general, for
confidentiality range from the embarrassing to theeveryday internet users, privacy is the most important
disastrous.- Integrity means that your information isone, because many people think that they have
protected against unauthorized changes that arenothing to hide or the information they give doesn't
undetectable to authorized users. The integrity ofseem sensitive when they register with an internet
databases and other resources are usuallyservice/site.But remember that, on the internet,
compromised through hacking.- Authentication meansinformation is very easily shared among companies
that an user is who he claims to be.- Availability meansand small pieces of related information from different
that the resources are accessible by authorizedsources can be linked together to form something alot
parties. Examples of availability attacks are the 'denialmore complex about a person. Because of this,
of service' attacks.Other important things that thenowadays, the ability to maintain control over what
computer security professionals are concerned aboutinformation is collected about them, who may use it
are access control and nonrepudiation. Access controland how it can be used is extremely important.
refer not only to the fact that users can only access