Internet Security - BTEC IT Unit 21

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Charlotte Gallichan Unit 21

Assignment 1

Internet security

Security Risks

Viruses – A virus is a computer program that copies itself and infects the computer without out the user knowing or giving permission. The name virus is used, but wrongly, to refer to malware, adware and spyware which are programs which do not have the reproductive capability.

Hackers – Hackers are people who break into computers, usually by attaining access to administrative controls. Hackers can do various annoying things from deleting, stealing and modifying files to placing various malicious programs and changing settings.

Spyware - Spyware are programs that use your computer to access the internet to send information from your computer to another computer without your knowledge or permission. The majority of this information is a record of your browsing habits, downloads and sometimes even your name and address.

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Anti Virus software – Antivirus software is used to prevent, protect, detect and remove all types of programs and files which are malicious to the computer.

Firewall – A firewall is designed to block unauthorised access whilst permitting authorised communications and connections. It is a device/devices which is set to configure to permit, deny, encrypt, decrypt or proxy all incoming and out coming computer traffic between security domains depending in the set criteria and rules.

SSL – An SSL (Secure Sockets layer) is a cryptic protocol that provides security for communications for over networks.

Logon/ password – A ...

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