Internet Security Threats: Who Can Read Your Email? by Mark Brooks
Before being able to choose a secure Internet communication system, you need to understand the threats to your security. Since the beginning of the Internet there has been a naive assumption on the part of most email users that the only people who are reading their email are the people they are... It will record any conversation from any PC on the network." Just as the Internet has been flooded by a deluge of spam messages after the introduction of cheap, easy-to-use spam generation software, the same effect is now taking place with sniffer software.

Penetration Testing on a Switched LAN by Brian Wilson
In this is article we will explore the presence of known vulnerabilities in switched LAN’s. I hope to open your eyes on some of the techniques & tools that can be freely downloaded and used to test your network. Let’s start out with some of the basics we see in most small to medium networks. ... Sniffing/ Tapping the Network As I have stated above Ethereal is a very good (and free) network sniffer but there are many other protocol Sniffing tools on the internet many are free but some vendor charge for there tools.

Search Technologies to Solve the Problem of Information Security by Alena Semeshko
Lately the problem of securing the information contained in the enterprise’s data space becomes more and more critical. It’s the information hidden from common access that is most valuable. Specialists in the field of information security distinguish two types of potential threats: external and... Besides that SearchInform Mail Sniffer with its powerful search engine and a rich management functional will become an irreplaceable tool in the work of your organization with e-mail boxes. ... Electronic mail control is taken care of by SearchInform Mail Sniffer application.

Tips for Designing ZigBee Applications by John Sawyer
So you think you want to develop a ZigBee application, but you have some questions. What’s important in a ZigBee development? What tools do I need? What steps are involved? How much time will it take? What kind of investment is required? What are the unforeseen questions? ... And while substantially smaller than Bluetooth or 802.11/WiFi, the ZigBee stack is not a simple piece of software. ... A ZigBee partner will supply the ZigBee stack software along with a radio chip and baseband microcontroller.

I Know What You Did Last Session: Basic Applied Cryptography by Jeremy Martin
While Janet was sitting in a cyber café sending emails to friends and surfing the web, there was a person sitting three tables away reading each email she sent before they ever got to the email server. During this period of time, the thief was able to get access to her bank account, passwords to... The most well know companies that sell these certificates are: • Verisign - http://www.verisign.com/ • Thwarte – http://www.thawte.com/ (Offers free personal email digital certificates) Internet traffic (Securing website traffic and email) HTTPS: Hypertext Transfer Protocol over Secured...

Security Risks and Ways to Decrease Vulnerabilities in a 802.11b Wireless Environment by Richard Johnson
Introduction This document explains topics relating to wireless networks. The main topics discussed include, what type of vulnerabilities exist today in 802.11 networks and ways that you can help prevent these vulnerabilities from happening. Wireless networks have not been around for many years. ... One such free product is Snort. ... Sniffer mode simply reads the packets off of the network and displays them for you in a continuous stream on the console. ... Equipped with the software and device, a person can map out wireless access points if a GPS unit is attached.