Malware is short for malicious software. Software that disrupts or damages a computer's operation, gathers sensitive or private information, or gains access to private computer systems for the purpose of doing harm. Some common malware types encountered may include botnets, viruses, worms, Trojans, spyware, adware, and rootkits.
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Adware is a type of malware that allows pop-up ads on a computer system, ultimately taking over a user's Internet browsing.
A botnet is a network of private computers, each of which is called a "bot", infected with malicious software (malware) and controlled as a group without the owners' knowledge for nefarious and, often, criminal purposes.
Denial of Service Attack (DOS)
A Denial of Service Attack or DOS Attack is a type of online computer attack designed to deprive user or groups of users normally accessible online services. In a DOS attacks hackers try to temporarily or indefinitely interrupt or suspend services of a host connected to the Internet.
A rootkit is a type of malware that opens a permanent "back door" into a computer system; once installed, a rootkit will allow more and more viruses to infect a computer as various hackers find the vulnerability and attack the exposed computer.
Spyware is a type of malware that quietly sends information about a user’s browsing and computing habits back to a server that gathers and saves the data. Spyware can collect information on Internet surfing habits, user logins and passwords, bank or credit account information, and other data entered into a computer. Spyware is often difficult to remove, it can also change a computers configuration resulting in slow Internet connection speeds, a surge in pop-up advertisements, and unauthorized changes in browser settings or functionality of other software.
A trojan is a type of malware that gives an unauthorized user access to a computer.
A virus is a type of malware that has a reproductive capacity and the ability to transfer itself from one computer to another spreading infections between online devices.
A worm is a type of malware that replicates itself over and over within a computer.
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