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Computer Security - What Exactly Is It?

by: Ciontescu Molie

Although the term “computer security” is used a lot, the content of a computer is actually vulnerable to only a few risks unless the computer is connected to others on a network. As the use of computer networks (especially the Internet) has increased dramatically during the past few years, the term computer security is now used to describe issues referring to the networked use of computers and their resources.

The major technical areas of computer security are confidentiality, integrity and authentication/availability.
* Confidentiality, also known as secrecy or privacy, means that the information you own cannot be accessed by unauthorized parties. Breaches of confidentiality range from the embarrassing to the disastrous.

* Integrity means that your information is protected against unauthorized changes that are undetectable to authorized users. The integrity of databases and other resources are usually compromised through hacking.
* Authentication means that a user is who he claims to be.
* Availability means that the resources are accessible by authorized parties. Examples of availability attacks are the 'denial of service' attacks.

Other important things that the computer security professionals are concerned about are access control and nonrepudiation. Access control refers not only to the fact that users can only access the resources and services they are entitled to, but also to the fact that they can't be denied access to the resources they legitimately expect. Nonrepudiation means that a person who sends a message cannot deny he sent it and vice versa.

In addition to these technical aspects, the concept of computer security is very large. Computer security's roots are drawn from disciplines like ethics and risk analysis and the major topics that are concerning it are computer crime (tries to prevent, detect and remedy attacks) and identity/anonymity in cyberspace.

Although confidentiality, integrity and authenticity are the most important things when it comes to computer security in general, for everyday internet users, privacy is the most important one, because many people think that they have nothing to hide or the information they give doesn't seem sensitive when they register with an internet service/site.

But remember that, on the internet, information is very easily shared among companies and small pieces of related information from different sources can be linked together to form something a lot more complex about a person. Because of this, nowadays, the ability to maintain control over what information is collected about them, who may use it and how it can be used is extremely important.

About The Author
Ciontescu Molie, For information and resources on network, computer security, hackers, vulnerabilities, patches, advisories, and more visit http://www.itfreaks.com. compsecur@yahoo.com

...open door to your home wireless?
This is not some new fangled techno-speak, it is a real tool to be used for the protection of your wireless internet network and LAN. African American SMBs have to realize that if your Internet connection is on 24/7 then your network, and it is a network that your computer is connected to, is at risk. Any business that uses the Internet to share or exchange information, news, or ideas with clients, vendors, partners, or other locations look in the reflection of your monitor and realize that your business is an unintentional (or intentional) target.

You should already be aware of all the thousands of bugs, viruses, denial of service attacks and other unfriendly items that lurk on the internet and virtually try attacking every second. It's like having a screen door on your most valuable assets. Let's not repeat what you know about, let's look at a larger picture that should concern everyone - the unknown. There are attacks that go unreported for various reasons, these are the ones that the major software and hardware vendors have no clue about and can only warn you after an attack is reported.

If your files, email, identity, client or product information are important to your african american business and you cannot afford a network being down for 24 hours. Then a firewall is what should be between the internet and everything else. You need to expect an intrusion if you have a small amount or no network protection. Hackers have tools that search the Internet 24/7 looking for a vunerable point to destroy. Overzealous marketers use similar tools to harvest information to use for spamming and unfortunately no one currently calls that a crime that we know as identity theft.

You have a deadbolt and a door lock on your front door and some even have a home security system in place. Why have a screen door latch on your home computer network, when you know there are people trying that door 24/7?

If you want to put a digital rottweiler between your home wireless network and hackers, marketers and other cyber-vandals then evaluate a strong firewall for your african american business.

Don't have the time or resources to get your home wireless network protected and need a african american Wireless Solution Provider partner to be there for you? We can help give you your freedom back...and a whole lot more. M.D.T.G.

About the Author
Daviyd Peterson: 10-year consultant, instructor, trainer Helps african american SMBs bridge the digital divide by going wireless. Free article on Home Wireless Internet Security and other related articles http://www.mogendaviydtechgroup.com/firewallsmb.htm See a video where big time firewalls duke it out!