Privacy and Security

On this page you can find basic definitions connected with privacy and security of data: main types of malicious programs, how they can get installed on the computer, and what measures can be undertaken to get rid of them.

Adware

Adware is software that runs on a computer without the owner's consent, much like spyware. However, instead of taking information, it installs pop-up advertisements and similar programs onto the system...

Browser hijackers

Browser hijackers are malicious programs that modify the default start and search pages of web browsers without explicit permission. They can add internet shortcuts to "favorites" folder without asking a user. In some cases...

Computer security

Computer security is a system of measures and controls that ensures confidentiality, integrity, and availability of the information stored on the computer. This involves specifying and implementing a security policy...

Firewall

Firewall is a system designed to prevent unauthorized access to or from the network. Firewalls can be implemented in both hardware and software, or a combination of both...

Internet privacy

Internet privacy is privacy over the Internet media, in other words, an ability to control what information about the user is revealed over the Internet, and to whom this information is available...

Internet security

Internet security is part of computer security system. It deals with network operations and specifies the types of access different network resources possess. A firewall is an efficient means of pursuing the Internet security policy.

Keylogger

Keylogger is software that records all keystrokes and stores them in a file on the computer. All passwords and other confidential information typed by users can then be sent via the internet to a hacker...

Pop-up blocker

A pop-up blocker is software that disables any pop-up, pop-over or pop-under advertisement windows that you see while using a Web browser. Some pop-up blockers may try to close all pop-up windows...

Spyware

Spyware is software that runs on a computer without the explicit permission of its user. This software can be very hard to remove, because it is hidden in harmless programs. It can display advertising...

Spyware removal

Spyware removal is software that allows users to discover and uninstall spyware running on a computer...

Trojan

Trojans are malicious programs that install themselves or run surreptitiously on a victim's machine. They don't run automatically...

Wipe data

Wiping data is a process which allows users to completely erase data from a disk. When data is wiped...