By: Aaron Guhl
No computer network can be 100% protected from threats that the internet and attackers can bring. But with a smart IT security policy and using a layered approach, you can reduce your company's risk to attack.
Viruses today are more blended and have a higher payload than ever before. This means that they are easier to distribute and can do greater damage. Viruses today can attack networks at even the lowest level which means they can bypass desktop and server antivirus software. Software antivirus no longer provides the complete protection that it once did.
So what is layered antivirus and network security and how should you approach it? Simply put, it is like placing a defense barricade at every possible entry point onto your network. A typical layered antivirus solution will include server AV, desktop AV, gateway AV, email AV, and some type of intrusion detection/prevention service (IDS, IPS).
This approach will not only protect from threats that come in at the computer and file system level, but will also protect your network from denial of service and other network level attacks.
A layered approach also helps provide efficiency and load-balancing on your network. If you find that your email server is getting pounded by daily phishing or virus emails, then having gateway antivirus can help take some of the load off of your email server by stopping those emails from ever reaching the server.
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Aaron Guhl is an IT professional that specializes in security. He frequently writes on his blog regarding security issues to help IT professionals get a better understanding of security in their networks. Visit his website at: Multi-layered Antivirus
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Difference between Virus-Worms-Trojan Horses and Spy Ware
By: Jignesh Padhiyar
The most of peoples make blunder when the topic of a computer virus arises is to refer to a worm or Trojan horse as a virus. While the words Trojan, worm and virus are often used interchangeably, they are not the same. Viruses, worms and Trojan Horses are all malicious programs that can cause damage to your computer, but there are differences among the three, and knowing those differences can help you to better protect your computer from their often damaging effects.
Computer virus
(1) Attaches itself to a program or file so it can spread from one computer to another, leaving infections as it travels. Much like human viruses
(2).....
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Anti virus program
By: Chris Holloway
Just what exactly is a virus? What kind is in your computer? How did it get there? How is it spreading and wreaking such havoc? And why is it bothering with your computer anyway?
Viruses are pieces of programming code that make copies of themselves, or replicate, inside your computer without asking your explicit written permission to do so. Forget getting your permission down on paper. Viruses don't bother to seek your permission at all! Very invasive.
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