Personal firewall,Spy ware,ad ware remover and viruses

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Personal FirewallsSpyware and Adware Removers

Anti VirusesPresented By:

Adeel KhurramSupervised By:

Engr.Zahra Noor

Presentation

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What is Personal FireWalls?

A personal firewall is a utility that detects and protects a personal computer from unauthorized disturbance. Personal firewalls constantly monitor all transmissions to and from a computer. When connected to the Internet, your computer is open to attacks from a .hacker

INTERNETINTERNET

Firewall

SecurePrivateNetwork

My PC

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Who are Hackers?

Hacker

A hacker is someone who tries to access a computer or network illegally.

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Operating systems often include a personal firewall. Windows automatically enables its built-in personal firewall, called Windows Firewall, upon installation of the operating system. If your operating system does not include a personal firewall or you want additional protection, you can purchase a stand-alone personal firewall utility

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• An antivirus program protects a computer against viruses by identifying and removing any computer viruses found in memory, on storage media, or on incoming files. Most antivirus programs also protect against worms and Trojan horses. When you purchase a new computer, it often includes antivirus software.

What is an Anti Virus?

Most Famous Anti viruses

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What is a Virus ?

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• The term, computer virus, describes a potentially damaging computer program that affects, or infects, a computer negatively by altering the way the computer works without the user’s knowledge or permission. Once the virus is in a computer, it can spread throughout and may damage your files and operating system.

Virus…..

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• Viruses are just one type of malicious software. Malware (short for malicious software) is software that acts without a user’s knowledge and deliberatelyalters the computer’s operations. In additionto viruses, worms and Trojan horses are malware.

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• A worm, such as Sasser or Klez, copies itself repeatedly, for example, in memory or over a network, using up system resources and possibly shutting down the system.

Worms And Trojan Horse

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• Trojan HorseTrojan horse (named after the Greek myth) hides within or looks like a genuine program such as a screen saver. A certain condition or action usually start the Trojan horse. Unlike a virus or worm, a Trojan horse does not reproduce itself to other computers.

Worms And Trojan Horse

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• A spyware remover is a program that detects and deletes spyware and other similar programs. • An adware remover is a program

that detects and deletes adware.

Spyware and Adware Remover

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• Spyware is a program placed on a computerwithout the user’s knowledge that secretly collectsinformation about the user, often related to Webbrowsing habits. Spyware can enter a computer as avirus or as a result of a user installing a new program.

Spyware and Adware Remover

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• Adware is a program that displays an onlineadvertisement in a banner or pop-up windowon Web pages, e-mail, or other Internet

services. Sometimes, spyware is hidden in adware.

Spyware and Adware Remover