What is an antivirus PDF?

1.0 Antivirus Antivirus software is a class of program designed to prevent, detect and remove malware infections on individual computing devices, networks and IT systems.

What is antivirus and its types PDF?

Antivirus software is a type of program designed and developed to protect computers from malware like viruses, computer worms, spyware, botnets, rootkits, keyloggers and such. Antivirus programs function to scan, detect and remove viruses from your computer.

What is anti virus explain?

Antivirus is a kind of software used to prevent, scan, detect and delete viruses from a computer. Once installed, most antivirus software runs automatically in the background to provide real-time protection against virus attacks.

What is antivirus example?

Antivirus is a software utility program designed to protect a system from internal attacks from viruses, trojan horse, spyware and so on. The main function of an antivirus is to scan, detect, prevent and remove any existential threat to the computer system. Examples: Norton, McAfee and Kapersky.

How does anti virus work?

An antivirus software works by scanning incoming files or code that’s being passed through your network traffic. When files, programs, and applications are flowing in and out of your computer, the antivirus compares them to its database to find matches.

Why is antivirus used?

Antivirus software helps protect your computer against malware and cybercriminals. Antivirus software looks at data — web pages, files, software, applications — traveling over the network to your devices. It searches for known threats and monitors the behavior of all programs, flagging suspicious behavior.

What are the three main functions of antivirus?

Virus Detection. The primary function of antivirus software is to detect and remove computer viruses.
System Analysis.
Malware Removal.
File Quarantine.
Threat Identification.
Online Security.
Data Protection.

What’s the difference between anti virus and malware?

Anti-virus is a security program you install on your computer or mobile device to protect it from getting infected by malware. The term “malware” is a catch-all phrase for any type of malicious software, such as viruses, worms, Trojans and spyware. In fact, the term malware comes from combining the words malicious and software.

How big is the average size of a virus?

The Structure of Viruses • Virion size range is ~10–400 nm in diameter and most viruses must be viewed with an electron microscope • All virions contain a nucleocapsid which is composed of nucleic acid (DNA or RNA) and a protein coat (capsid)

Why is denial of service not a topic of computer security research?

Although reliable operation of the computer is a serious concern in most cases, denial of service has not traditionally been a topic of computer security research. As in the case of data integrity, one reason for the lack of concern is historic: secrecy has been the primary goal of government- funded security programs.

Is there a universally accepted deﬁnition for Information Assurance?

Information Assurance is such a broad ﬁeld that there is no universally accepted deﬁnition. Researchers often give their own spin to IA, usually reﬂecting their own concerns. In these slides, are several diﬀerent views of IA, including the DoD view (above), Herrmann’s view (below), and Blyth and Kovacich’s view (below).