Cisco PIX Technology by Benjamin Hargis
Ciso PIX Security Appliance. Cisco PIX Security applications can enforce policies on users and applications. Cisco PIX can protect you from many different network and Internet based attacks. Cisco PIX offers secure connectivity, using methods such as SSHv2 Secure Shell Two and VPN virtual... Cisco PIX Security appliances provide multiple layers of security. ... This hardware/software based solutions is designed to look for anomolies aka weird traffic thats not normal on your network, which could be an indication of a attack.

Firewalls VS. Barbarians At The Gates by Deb Jensen
As they are plotting against you and going in for the attack, what is your strategy? How well are you at keeping them out? Are you putting too much stock in your firewall? According to Mick Johnson, a product marketing manager with Sensory Networks, "The definition of a firewall has changed over... To adequately secure your computer network, part of covering your basis is to hire a security consultant and have him or her take an assessment of your network vulnerabilities. ... "There is no one-size-fits-all security solution, and most IT managers spend a large chunk of time creating multi...

Cisco CCNP Certification Training Tutorial: The New 642-825 ISCW CCNP Exam by Chris Bryant
Cisco CCNP certification is getting a brand-new look, and that new look includes two new exams! The BCRAN and CIT exams are retiring at the end of 2006, and the exam replacing the BCRAN is the 642-825 Implementing Secure Converged Wide Area Networks exam, which is thankfully known as ISCW. ... The importance of network security has never been higher, and it's to Cisco's credit that their new CCNP exams are emphasizing security. ... Very few of the BCRAN topics are moving to the ISCW exam, and an emphasis is being placed on VPNs and network security configurations and methods.

Network Security – The Real Vulnerabilities by Dennis DEntremont
Scenario: You work in a corporate environment in which you are, at least partially, responsible for network security. You have implemented a firewall, virus and spyware protection, and your computers are all up to date with patches and security fixes. ... Believe it or not, the weakest link in your security plan is the people who use your network. ... I guess some network engineers are just too proud of their network to admit that they could be breached so easily. ... You have done, what most people think, are the major steps towards a secure network.

Network Based Security Attacks on Internet Users by Manu Tripathi
Network based Security Attacks Network is a collection of nodes connected to each other. These nodes can be a computer or computing devices (like mobile and PDA), peripheral devices (like printer, scanner), other networks (connect via bridge or router) or any service (like directory service,... Types of Attack – Network based security attacks can be categorized in following. ... Attack on availability – making any part or whole network unavailable to users. ... Distributed Denial of Service (DDOS) is one of the best examples of network attack.

CompTIA Network+ Certification Exam Tutorial: Virus Attacks And Antivirus Programs by Chris Bryant
Whether you’re preparing to pass the Network+ or Cisco CCNA certification exam or not, you must not underestimate the importance of antivirus programs and virus definition updates. With all the attention we pay to viruses and their prevention, I feel a little silly even saying that. ... While we should certainly have an antivirus program on every server in our network, there is one point of communication that we've got to be particularly sensitive to, since this is where most viruses and worms make their way into our network – the email server.

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... In addition to these technical aspects, the concept of computer security is very large. ... Other important things that the computer security professionals are concerned about are access control and nonrepudiation.

How To Protect Your Home Network From Security Threats by Paul Wilcox
Technical computer jargon has become a part of our everyday lives and not only at work but at home as well. If you have setup your own computer network at home you probably know all about wireless cards, routers, and firewalls. Most computer components are easy to install and get set up, making... This is especially important if you have a wireless network since someone next door can potentially use your network to get onto the Internet. ... Start by reading the manual of each network product you have since they typically go into great detail about security configurations.

Why I Hacked My WEP Wireless Router by Paul McGillivary
Part of securing your network must include looking at your wireless access points. Wireless access can be dangerous to your network. Most people don't even know how easy it is to exploit wireless access points. Let me illustrate my point. I went out one afternoon and took my trusty laptop with me. ... Then I proceeded to do a typical type of attack on the network. ... That's "strong" security for WEP. ... I wrote down the security key and then I started my test. ... I enabled WEP security at 128 bit encryption.

Is Your Wireless Network Secure? by Jeremy Whittaker
Networking professionals are encouraging people to think twice about wireless network security. You might be thinking I use WEP-128 bit encryption with MAC address filtering, I’m safe. Or you may be you’ve never even heard of WEP, if this is the case you might want to unplug your wireless access... Any computer security professional will tell you that physical access to the network is 95% of the security battle. ... Let me tell you about another attack that hackers can use to gain access to your network.