Archive for the ‘ Malware ’ Category
What is a Rootkit?
A rootkit is a software program that allows an attacker to gain control of your computer system while at the same time remain undetected. The term rootkit is derived from “root” which refers to superuser administrative access and “kit”, which is the actual program or mechanism that perform tasks.
There are many types of rootkits that [...]
What is Cross Site Scripting?
Though less common than in the past cross-site scripting is still the most common publicly reported web vulnerability and a threat to surfers. Cross-site scripting attacks are used to steal information from your browser when you visit websites such as ecommerce stores, forums, and even your email accounts.
The insidious nature of cross-site scripting or XSS [...]
What is a Computer Firewall?
A firewall is a part of a computer system or network that is designed to block unauthorized access while permitting authorized communications. It does this by filtering out the data sent by attackers.
There are two main types of firewalls.
Hardware Firewalls
Software Firewalls
A hardware firewall is generally considered to be more secure than a software firewall. This [...]
What Is Spyware?
Spyware is software that is installed on a computer to intercept or steal the details of people without their consent. Unlike viruses and worms, spyware does not usually self-replicate. However, spyware can be dropped as a payload by a worm. Spyware secretly monitors an individual’s information and web surfing behavior. However, its functions can extend [...]
Most Dangerous Vulnerabilities to Your Computer System
A vulnerability is a weakness in your computer security which allows an attacker to reduce the computer’s information assurance. Or in other words it is a potential avenue of attack for the bad guys.
An attacker or malware only requires three elements to exploit the vulnerability:
A flaw in the system.
An attacker’s access to the flaw.
The attacker’s [...]
How to Protect Your Home Computer Network
The first step in protecting your home network is to install a hardware firewall or router. It will allow you to surf the net but prevent the sneaky eavesdroppers from accessing your network online. Be sure to change the password on your router! Do not leave the default password because sites are available that have [...]
What is a Computer Worm?
A computer worm should not be confused with a computer virus. Like viruses, worms are self-replicating programs that use the network to send copies of themselves to other nodes. But unlike viruses, worms do not need to attach themselves to existing programs. They can self-replicate, completely without user intervention. Worms cause damage in the form [...]
