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Cyber Crime and Security

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Various Types of Cyber Attacks and ways to secure our system from those attacks.

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Cyber Crime and Security

  1. 1.  What is Cyber Crime Categorize of Cyber Crime Types of Cyber Attacks Security Personal Measures
  2. 2.  Criminal acts using Computers and networks as tools or targets. Cybercrime can be directed towards persons, companies, or government authorities.
  3. 3.  HACKING DENIAL OF SERVICE ATTACK COMPUTER VANDALISM CYBER TERRORISM SOFTWARE PIRACY
  4. 4.  Hacking in simple terms means an illegal intrusion into a computer system and/or network. It is also known as CRACKING. Motive behind the crime : Adventure, Revenge, Greed, Desire to access forbidden information, Publicity. Government websites are the hot targets of the hackers due to the press coverage it receives.
  5. 5.  This is an act that ceases the functioning of a service or program by sending malicious datagrams that can even cause the network connections to fail. For example: The criminal fills victim’s e-mail box with spam mail depriving him of the services he is entitled to access or provide.
  6. 6.  Damaging or destroying data rather than stealing or misusing them by making malicious software termed as Malwares. People who make malicious software are called Malware writers. Types of Malwares are Viruses,Worms,Trojan Horse.
  7. 7.  Targeted attacks on military installations, power plants, air traffic control, banks, telecommunication networks. Cyber terrorism is an attractive option for modern terrorists for several reasons: 1) Cheaper and more anonymous than traditional terrorist methods. 2) Variety and number of targets are enormous. 3) Crime can be conducted remotely. 4) Has the potential to affect directly a larger number of people.
  8. 8. Theft of software through the illegalcopying of genuine programs Orthe counterfeiting and distributionof products intended to pass for theoriginal.
  9. 9.  Use virus detection software that is regularly updated. Password protected screen savers. Secure physical set-up that is not open to the public or unmonitored. Require network logins if you are on a network. Standardize the desktop so as to limit what an end-user can and cannot do.
  10. 10.  The server should be kept in a locked and restricted area. Administrative passwords and equivalencies should be given to a minimal number of people. Administrative passwords should be changed regularly. Users should only be given access to file systems that they will actually need to use. Use of virus detection software that is regularly updated.
  11. 11.  Use of Firewalls :Firewalls are a system or combination ofsystems that supports an access controlpolicy between two networks. A firewall can limit the types oftransactions that enter a system, as well as thetypes of transactions that leave a system. Use of powerful Encryption Techniques:Provides secured transactions over theinternet. Ex: Public Key Cryptography
  12. 12. Uninstall unnecessary software .Check security settings.Use a powerful antivirus software and update it regularly.Back-up your computer data on disks or CDs often.Keep your operating system up to date with critical securityupdates .
  13. 13. While using Internet:Log-out and login on your accounts each day.Disable unused accounts.Change passwords of your accounts at least every 30 days.Never give your full name or address to strangers on Internet.Avoid sending any photograph online particularly to strangers.Dont open emails or attachments from unknown sources.Never send your credit card number to any site that is not secure.

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