• The usage of internet is growing rapidly.
• It has given new oppurtunities in every field we can think
of- be it entertainment,business,sports or education.
• Internet has its own advantages and disadvantages
• One of the major disadvantage is Cyber Crime
What is Cyber Crime?
• Use of Computer/Internet to something that
would be a crime in any case.
• It is an unlawful act where the computer is either a tool or a
target or both
• Acts that are punishable by Information Technology Act.
• In the early decades of modern information technology (IT), computer
crimes were largely committed by individual disgruntled and dishonest
• Physical damage to computer systems was a prominent threat until the
• Programmers in the 1980s began writing malicious software, including self-
replicating programs, to interfere with personal computers.
• As the Internet increased access to increasing numbers of systems
worldwide, criminals used unauthorized access to poorly protected systems
for vandalism, political action and financial gain.
Categories of Cyber crime:
• Three categories-
• 1.Cyber crime against persons
• 2.Cyber crime against property
• 3.Cyber crime against government
• Includes various harassements such as
Any content that may be found derogatory or offensive is considered
• These crimes include :
-Computer vandalism(destruction of others property)
-Transmission of harmful programs
-Unauthorised possession of computer information
• Cyber terrorism is one distinct kind of crime in this
• Cyber space is being used by individuals and groups to
threaten the organizations and international governments.
-Also to terrorize the citizens of a country.
Various Cyber Crimes :
• Unauthorised access to computer system or networks
• Theft of information contained in electronic form
• Data didling(manipulation of data)
• Hacking through various programmes
• Virus/worm attacks
• Trojan attacks
• Key loggers
• Malware(malicious code)
• Internet time thefts(gaining access to other internet
without his knowledge.
• Web jacking(forcefully taking control of the website)
• Theft of computer system
• Physically damaging a computer system
• It has been noted that hackers have hacked millions of computers across the
globe and the number is increasing with every passing day.
• Some hackings are done just for fun others are done for stealing
information yet others are done for personal reasons such as taking revenge
from someone and so on.
• Stealing someone's personal data for own use, breaking through into a
company's account and making changes in their database
• Australian nationwide survey conducted in 2006 found that two
in three convicted cyber-criminals were between the ages of 15
• Organised hackers
• Professional Hackers
• Discontended Employees
• 1. Have you ever been the recipient of an e-mail you recognized as a scam?
• Yes: 81%
• No: 19%
• 2. Have you ever received a threatening or harassing e-mail? If yes, what did you do about it?
• Yes: 10%
• No: 90%
• 3. Have you ever been asked to meet in person with someone you only knew over the
• Yes: 31%
• No: 69%
• 4. Have you ever been the victim of identity theft?
• Yes: 6%
• No: 94%
• 5. Do you know anyone who has been the victim of identity theft?
• Yes: 32%
• No: 68%
• 6. Have you ever had a computer virus that caused significant damage to
your computer or significant personal inconvenience?
• Yes: 78%
• No: 22%
• 7. Have you ever had personal information such as your social insurance number or
bank account numbers stolen through:
• Yes: 4%
• No: 96%
• 8. Have you ever received an e-mail soliciting child pornography?
• Yes: 7%
• No: 93%
• 9. Do you feel you know enough about how cybercrime is committed to do a
reasonable job protecting yourself?
• Yes: 45%
• No: 55%
• Set a good firewall
• Disable and log off a specific user account to prevent access
• Disable specific applications for example , an e-mail system subjected
to a Spam attack
• Install intrusion prevention system
• Using various Anti virus , internet security , anti malware software’s