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Discover the most common things that can make your computer sick, such as viruses, trojans, and spyware. Learn about the different types of computer viruses and how to protect your computer. Take quizzes to test your knowledge and find out more about Trojan horses.
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Why is your computer sick? …And how you can cure it CLICK HERE TO FIND OUT
MOST COMMON THINGS THAT WOULD MAKE YOUR COMPUTER SICK VIRUSES TROJANS SPYWARE Click on any of the categories above to find out
WHAT ARE COMPUTER VIRUSES? • 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
ARE ALL VIRUSES BAD? • 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)
HOW ABOUT THE BAD VIRUSES? • 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
WHAT ARE SOME OF THESE BAD 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
QUIZ#1 It’s a quiz time!!!! Computer Virus is: • Man made software • Violent convict from the movie “Conair” • Cause for widespread stomach flu among networked computers • Computer word processor Go to the second quiz
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WHAT ARE COMPUTER VIRUSES? • 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
ARE ALL VIRUSES BAD? • 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)
HOW ABOUT THE BAD VIRUSES? • 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
WHAT ARE SOME OF THESE BAD 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
QUIZ#2 Are you ready? Here is another QUIZ… The “I Love You” Virus: • Occurs on Valentine’s Day • Is in love with computers • Caused $1 Billion in damages • It was first featured in a romantic comedy starring Hugh Grant
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WHAT ARE COMPUTER VIRUSES? • 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
ARE ALL VIRUSES BAD? • 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)
HOW ABOUT THE BAD VIRUSES? • 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
WHAT ARE SOME OF THESE BAD 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
QUIZ#3 Are you ready? Here is another QUIZ… The viruses hardly ever replicate themselves to other computers: TRUE FALSE
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ALWAYS RUN YOUR ANTI-VIRUS SOFTWARE AND KEEP IT UPDATED!!! BACK TO THE MAIN MENU
WHAT IS TROJAN HORSE? • 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
TYPES OF 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
MORE TYPES OF TROJANS • 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
It’s a quiz time!!!! QUIZ#1 What is Trojan Horse: • USC Football Mascot • It’s a program that contains or installs a malicious program • Computer Virus
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WHAT IS TROJAN HORSE? • 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
TYPES OF 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
MORE TYPES OF TROJANS • 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
ANOTHER QUIZ QUIZ#2 Which is NOT a type of Trojan • Time Bomb • Logic Bomb • Water Bomb
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WHAT CAN THE TROJANS DO? • 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
HOW CAN YOU GET INFECTED? • You can be infected by visiting a rogue website • Using email • Infection through open ports
ANOTHER QUIZ QUIZ#3 • How can you get infected by a Trojan Horse? • Visiting Troy • Visiting rogue websites • Visiting a horse farm
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ALWAYS RUN YOUR ANTI-VIRUS SOFTWARE AND KEEP IT UPDATED!!! BACK TO THE MAIN MENU
WHAT IS SPYWARE? • 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
HOW IS SPYWARE SPREAD? • 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
Here comes the quiz QUIZ#1 • What is Spyware • James Bond’s latest toy • Software that collects personal info • Cold War relic
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BEST SPYWARE PROGRAMS • 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 ANTI SPYWARE SOFTWARE • SPYBOT • Spy sweeper • Spyware Doctor • AVG Anti Spyware
Here comes the quiz QUIZ#2 • Which software package doesn’t belong to the group of anti software • Windows Vista • SPYBOT • Spy Sweeper