Unit 6 Viruses & Destructive Programs Test Review

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Computer Virus

A computer program written to alter the way a computer operates.

Viruses can . . .

corrupt files; destroy data, display messsages, corrupt systems

Types of viruses

Trojan Horse, worm, bootsector, macro memory, rootkit, logic bomb, time bomb

How viruses are spread

Email, websites, networks, phishing, hackers, messaging, mobile devices, friends and family

Protect your computer

Anti-virus software, avoid rogue websites, don't open suspicious attachments, etc.

Passwords

Use at least seven characters and include symbols, upper and lower case letters

Hacking

Finding weaknesses in a computer system with the intention of doing damage.

Internet Controls

Firewalls, filters and parental controls

Freeware

Copyrighted software which is made available without charge.

Shareware

Software that can be used free of charge for a period of time then a charge is applied.

Trojan Horse

Malware that masquerades as legitimate while doing damage to a computer system.

Worm

Malware program that replicates itself in order to do damage computer to computer.

Dictionary attack

Destructive program designed to discover personal/computer passwords.

File Virus

Type of virus that inserts a destructive code into executable files.

Malware

Short of malicious software. Example: Trojan Horse.

Adware

Software designed to embed advertisements into applications being used.

Spyware

Software that gathers user information through the user's Internet connection without his knowledge.

Phishing & Spoofing

Actions taken through email to falsely gather personal information about the user. Used for identify theft purposes.

Social Engineering

The act of obtaining or attempting to obtain secure data by conning individuals into revealing personal information.

War Driving

Act of driving around in a vehicle with a laptop or other mobile device in order to use unauthorized wireless services for hacking or other unethical purposes.

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