Malware Tips / 3 posts found

Firewalls and Proxies

In building construction, a firewall is a structure designed to contain building fires. For example, an attic crawlspace that covers the entire length of the building would allow a fire to roar from one end of the building to the other. Breaking up the crawlspace with non-flammable walls helps to slow the spread of a fire. Network firewalls have a similar function. A firewall is a network security system, either a program or an actual device, that breaks up a network to contain viruses and hackers. Imagine two large fish tanks side by side, separated by a wall. We want […]

Backdoor Programs

It’s the ultimate nightmare for a computer user, the idea that someone outside the computer can take over. The official “technical” term is Remote Administration, but hackers are more likely to use the word Backdoor. With Windows XP, remote administration comes pre-installed. Windows XP has an option called Remote Assistance, where an XP technician can “remote in” and take over your computer. The remote tech has as much control over your system as if he was sitting there at the keyboard. The hackers predate Microsoft by several years. NetBus, for example, was designed in 1998 by Carl-Fredric Neikter, and many […]

Malware Overview

Do you know what goes on under the hood of your car? Do you know the solution for a warning light on the dash? Do you know what’s wrong with the car if it starts making strange noises or loses power? Those same questions can be asked about your computer. Computers can have many of the same problems as cars. Engine problems can cause cars to lose power, just like a large program can take up too much of the computer for anything else to run. Where an engine could “throw a rod” or “break a timing chain,” computers can […]