Why is your computer sick?

…And how you can cure it

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MOST COMMON THINGS THAT WOULD MAKE YOUR COMPUTER SICK

VIRUSES TROJANS SPYWARE

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• Human-made software programs

• Created specifically to wreak havoc on personal computers and networks

• The chance of contracting one of these computer viruses very high

WHAT ARE COMPUTER WHAT ARE COMPUTER VIRUSES?VIRUSES?

• Some viruses are relatively harmless to individuals

• They just e-mail themselves to all the contacts listed in your address book (which makes them harmless but annoying)

ARE ALL VIRUSES BAD?ARE ALL VIRUSES BAD?

• Unfortunately many viruses are very destructive

• Some lie dormant until a certain date then they spring to life to do their dirty deeds

• The viruses start on one computer, then replicate quickly, infecting computers around the world

HOW ABOUT THE BAD HOW ABOUT THE BAD VIRUSES?VIRUSES?

•In 1988 a student at Cornell University sent out a virus infecting more than 6,000 computers in minutes, nearly bringing the Internet to its knees.

•More recently, the "I Love You" virus caused over $1 billion in lost productivity

•Last year 10,000 new viruses, worms and Trojan horses were unleashed

WHAT ARE SOME OF WHAT ARE SOME OF THESE BAD VIRUSES?THESE BAD VIRUSES?

Computer Virus is:

QUIZ#1QUIZ#1

It’s a quiz time!!!! a) Man made software

b) Violent convict from the movie “Conair”

c) Cause for widespread stomach flu among networked computers

d) Computer word processor Go to the second quiz

YOU GOT IT!!!

OH NOOOOOOO!!!!

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• Human-made software programs

• Created specifically to wreak havoc on personal computers and networks

• The chance of contracting one of these computer viruses very high

WHAT ARE COMPUTER WHAT ARE COMPUTER VIRUSES?VIRUSES?

• Some viruses are relatively harmless to individuals

• They just e-mail themselves to all the contacts listed in your address book (which makes them harmless but annoying)

ARE ALL VIRUSES BAD?ARE ALL VIRUSES BAD?

• Unfortunately many viruses are very destructive

• Some lie dormant until a certain date then they spring to life to do their dirty deeds

• The viruses start on one computer, then replicate quickly, infecting computers around the world

HOW ABOUT THE BAD HOW ABOUT THE BAD VIRUSES?VIRUSES?

•In 1988 a student at Cornell University sent out a virus infecting more than 6,000 computers in minutes, nearly bringing the Internet to its knees.

•More recently, the "I Love You" virus caused over $1 billion in lost productivity

•Last year 10,000 new viruses, worms and Trojan horses were unleashed

WHAT ARE SOME OF WHAT ARE SOME OF THESE BAD VIRUSES?THESE BAD VIRUSES?

The “I Love You” Virus:

QUIZ#2QUIZ#2

Are you ready?

Here is another QUIZ…

a) Occurs on Valentine’s Day

b) Is in love with computers

c) Caused $1 Billion in damages

d) It was first featured in a romantic comedy starring Hugh Grant

YOU GOT IT!!!

OH NOOOOOOO!!!!

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• Human-made software programs

• Created specifically to wreak havoc on personal computers and networks

• The chance of contracting one of these computer viruses very high

WHAT ARE COMPUTER WHAT ARE COMPUTER VIRUSES?VIRUSES?

• Some viruses are relatively harmless to individuals

• They just e-mail themselves to all the contacts listed in your address book (which makes them harmless but annoying)

ARE ALL VIRUSES BAD?ARE ALL VIRUSES BAD?

• Unfortunately many viruses are very destructive

• Some lie dormant until a certain date then they spring to life to do their dirty deeds

• The viruses start on one computer, then replicate quickly, infecting computers around the world

HOW ABOUT THE BAD HOW ABOUT THE BAD VIRUSES?VIRUSES?

•In 1988 a student at Cornell University sent out a virus infecting more than 6,000 computers in minutes, nearly bringing the Internet to its knees.

•More recently, the "I Love You" virus caused over $1 billion in lost productivity

•Last year 10,000 new viruses, worms and Trojan horses were unleashed

WHAT ARE SOME OF WHAT ARE SOME OF THESE BAD VIRUSES?THESE BAD VIRUSES?

The viruses hardly ever replicate themselves to other computers:

QUIZ#3QUIZ#3

Are you ready?

Here is another QUIZ…

TRUE

FALSE

YOU GOT IT!!!

OH NOOOOOOO!!!!

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ALWAYS RUN YOUR ANTI-VIRUS SOFTWARE AND KEEP IT UPDATED!!!

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• It’s a program that contains or installs a malicious program

• Trojan horses may appear to be useful or interesting programs to an unsuspecting user

• Trojans are very harmful when executed

WHAT IS TROJAN HORSE?WHAT IS TROJAN HORSE?

• There are two common types of Trojan horses

• Useful software that has been corrupted by a hacker inserting malicious code

• Standalone program that masquerades as something else, like a game or image file

TYPES OF TROJAN HORSETYPES OF TROJAN HORSE

• There are two more types of Trojan horses

• Time bombs - activate on particular dates and/or times.

• Logic bombs - activate on certain conditions met by the computer

MORE TYPES OF TROJANSMORE TYPES OF TROJANS

What is Trojan Horse:

QUIZ#1QUIZ#1It’s a quiz

time!!!!

a) USC Football Mascot

b) It’s a program that contains or installs a malicious program

c) Computer Virus

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OH NOOOOOOO!!!!

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• It’s a program that contains or installs a malicious program

• Trojan horses may appear to be useful or interesting programs to an unsuspecting user

• Trojans are very harmful when executed

WHAT IS TROJAN HORSE?WHAT IS TROJAN HORSE?

• There are two common types of Trojan horses

• Useful software that has been corrupted by a hacker inserting malicious code

• Standalone program that masquerades as something else, like a game or image file

TYPES OF TROJAN HORSETYPES OF TROJAN HORSE

• There are two more types of Trojan horses

• Time bombs - activate on particular dates and/or times.

• Logic bombs - activate on certain conditions met by the computer

MORE TYPES OF TROJANSMORE TYPES OF TROJANS

Which is NOT a type of Trojan

QUIZ#2QUIZ#2ANOTHER

QUIZ

a) Time Bomb

b) Logic Bomb

c) Water Bomb

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• Erasing or overwriting data on a computer

• Encrypting files • Corrupting files in a subtle way • Upload and download files• Allowing remote access to the

victim's computer• Opening and closing CD-ROM tray • Harvest e-mail addresses and use

them for spam

WHAT CAN THE TROJANS WHAT CAN THE TROJANS DO?DO?

• You can be infected by visiting a rogue website

• Using email

• Infection through open ports

HOW CAN YOU GET HOW CAN YOU GET INFECTED?INFECTED?

How can you get infected by a Trojan Horse?

a) Visiting Troy

b) Visiting rogue websites

a) Visiting a horse farm

QUIZ#3QUIZ#3ANOTHER

QUIZ

YOU GOT IT!!!

OH NOOOOOOO!!!!

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ALWAYS RUN YOUR ANTI-VIRUS SOFTWARE AND KEEP IT UPDATED!!!

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• Spyware is computer software that collects personal information about users without their informed consent

• It’s a process where personal information is secretly recorded with a variety of techniques such as:• logging keystrokes• recording Internet web browsing

history• scanning documents on the

computer's hard disk

WHAT IS SPYWARE?WHAT IS SPYWARE?

• Spyware does not directly spread in the manner of a computer virus or worm

• The spyware stays in the infected computer where it collects information

• Spyware can be bundled with FREEWARE applications as well• The users could be tricked by

thinking they are installing useful software

HOW IS SPYWARE HOW IS SPYWARE SPREAD?SPREAD?

What is Spyware

a) James Bond’s latest toy

b) Software that collects personal info

c) Cold War relic

QUIZ#1QUIZ#1Here comes

the quiz

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OH NOOOOOOO!!!!

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• Anti-spyware programs can combat spyware in two ways:

•They can provide real time protection against the installation of spyware software •Anti-spyware software programs can be used solely for detection and removal of spyware

• Such programs inspect the contents of • Windows registry• Operating system file• Installed programs

BEST SPYWARE BEST SPYWARE PROGRAMSPROGRAMS

• SPYBOT• Spy sweeper• Spyware Doctor• AVG Anti Spyware

BEST ANTI SPYWARE BEST ANTI SPYWARE

SOFTWARESOFTWARE

Which software package doesn’t belong to the group of anti software

a) Windows Vista

b) SPYBOT

a) Spy Sweeper

QUIZ#2QUIZ#2Here comes

the quiz

YOU GOT IT!!!

OH NOOOOOOO!!!!

CLICK HERE SO YOU CAN REVIEW AGAIN

ALWAYS RUN YOUR ANTI-SPYWARE SOFTWARE AND KEEP IT UPDATED!!!

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