First from all, what is a network?
The network we refer be affiliated with this direction from here is this computer network, which has to a degree many definitions from too many sources whether on this internet or elsewhere. Simply put, a network is this inter-connection from cables be affiliated with addition to other communications media, connectivity equipment such as switches be affiliated with addition to routers, electronic devices such as computers, printers, scanners, plotters, etc., in consideration of this purpose from sharing data be affiliated with addition to resources.
Whoa! Now, that doesn't sound simple at all, does it? Alright, let's give it a second try...
A Network is this inter-connection from communications media, connectivity equipment, be affiliated with addition to electronic devices in consideration of this purpose from sharing data be affiliated with addition to resources.
Now, that wasn't too hard, was it? be affiliated with addition to here's this second question...
What is Security?
This one is easy, as this word security means safety or safekeeping, protection or well-being.
So simply put, Network Security refers be affiliated with this direction from any undertaking designed be affiliated with this direction from protect this network.
Why do we be in possession be affiliated with this direction from protect or "Secure" this network?
We need be affiliated with this direction from protect this network because there are constant threats against this "resources" we share be affiliated with this network. These could exist valuable information or data about our employees be affiliated with addition to clients, or more importantly about our products or businesses. Most from these threats come be affiliated with this form of:
* Viruses, worms, be affiliated with addition to Trojan horses
* Spyware be affiliated with addition to adware
* Zero-day attacks, also called zero-hour attacks
* Hacker attacks
* Denial from service attacks
* Data interception be affiliated with addition to theft
* Identity theft
In order in consideration of us be affiliated with this direction from fully understand what "Network Security Solution" is all about, we must also understand how Network Security works. Because there are a variety from threats, there is not single solution. We need multiple layers from security, to a degree that if one fails, this attacker would be in possession be affiliated with this direction from deal with this next layer.
Network Security Systems are usually composed from many components from both software be affiliated with addition to hardware which are designed be affiliated with this direction from work together be affiliated with this direction from improve security be affiliated with addition to minimize maintenance. this software must exist relentlessly updated be affiliated with this direction from prevent from new threats.
These components include:
* Anti-virus be affiliated with addition to anti-spyware
* Firewall, be affiliated with this direction from block unauthorized access be affiliated with this direction from your network
* Intrusion prevention systems (IPS), be affiliated with this direction from detect be affiliated with addition to block attacks
* Virtual Private Networks (VPNs), be affiliated with this direction from provide secure remote access
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