1. Microsoft Office 2007 – Illustrated Introductory, Premium Video Edition Understanding Essential Computer Concepts

2. 2 Microsoft Office 2007-Illustrated Introductory, Premium Video Edition Learning about Security Threats Security refers to the steps a computer owner takes to prevent unauthorized use of or damage to the computer

3. 3 Microsoft Office 2007-Illustrated Introductory, Premium Video Edition Learning about Security Threats Malware describes any program that is intended to cause harm or convey information to others without the owner’s permission Viruses harmful programs that instruct your computer to perform destructive activities Antivirus software (virus protection software) searches executable files for the sequences of characters that may cause harm disinfects the files by erasing or disabling those commands

4. 4 Microsoft Office 2007-Illustrated Introductory, Premium Video Edition Learning about Security Threats Spyware programs contained with other programs that track a computer user’s Internet usage send this data back to the company or person that created it usually installed without the computer user’s permission or knowledge Anti-spyware software detects spyware and deletes them Adware software installed with another program usually with the user’s permission generates advertising revenue for the program’s creator by displaying targeted ads to the program’s user

5. 5 Microsoft Office 2007-Illustrated Introductory, Premium Video Edition Learning about Security Threats Firewall prevents other computers on the Internet from accessing a computer prevents programs on a computer from accessing the Internet without the computer user’s permission can be either hardware or software router a device that controls traffic between network components software firewalls track all incoming and outgoing traffic

6. 6 Microsoft Office 2007-Illustrated Introductory, Premium Video Edition Protecting Information with Passwords Logging inLogging in signing in with a user name and passwordsigning in with a user name and password Strong passwordStrong password at least eight charactersat least eight characters consists of upper- and lowercase letters and numbersconsists of upper- and lowercase letters and numbers does not include common personal informationdoes not include common personal information