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Internet and Securities
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- 2. What is Internet? •The internet is a network of computers linking many different types of computers all over the world. • It is a very large wide area network (WAN) connecting computers and networks around the world. • It makes it possible for millions of users to connect to one another via telephone lines, cable lines and satellites.
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- 4. How did theInternet developed? • Internet was born in late 1960’s • The internet has its root in the ARPANET system of the Advanced Research Project Agency of U.S. Department of Defense which linked together mainframe computers to form a communication networks. • ARPANET is known as the forefather of internet.
- 5. Brief History ofthe Internet • 1968 - DARPA (Defense Advanced Research Projects Agency) contracts with BBN (Bolt, Beranek & Newman) to create ARPAnet • 1970 - First five nodes: – UCLA – Stanford – UC Santa Barbara – U of Utah, and – BBN • 1974 - TCP specification by Vint Cerf • 1984 – On January 1, the Internet with its 1000 hosts converts en masse to using TCP/IP for its messaging
- 6. A Brief Summaryof the Evolution of the Internet 1945 1995 Memex Conceived 1945 WWW Created 1989 Mosaic Created 1993 A Mathematical Theory of Communication 1948 Packet Switching Invented 1964 Silicon Chip 1958 First Vast Computer Network Envisioned 1962 ARPANET 1969 TCP/IP Created 1972 Internet Named and Goes TCP/IP 1984 Hypertext Invented 1965 Age of eCommerce Begins 1995
- 7. The Creation ofthe Internet • The creation of the Internet solved the following challenges: – Basically inventing digital networking as we know it – Survivability of an infrastructure to send / receive high-speed electronic messages – Reliability of computer messaging
- 8. Basic services ofinternet • Electronic mail • FTP • Telnet • Usenet news • The World Wide Web
- 9. Electronic mail • Itis also known as e-mail in short • It enables to send and receive a mail (message). • It is Faster than paper mail. • Images, audio, video can be sent along with text.
- 10. File transfer Protocol(FTP) • It enables users to move a file from one computer to another computer. • A file may contain: – Text document – Image – Artwork – Movie – Sound – Software
- 11. Telnet • Telnet serviceenables users to login to another computer on internet from their local computer for using: – Computing power of remote computer – Software on remote computer – Database of remote computer • This action is called ‘remote login’.
- 12. Usenet News • Usenetnews service enables a group of internet users to exchange their views, ideas, information on some common topic of internet. • A newsgroup is like a large notice board accessible to all members belonging to the group. • 2 types of newsgroups: – Moderated – Non-moderated
- 13. The World WideWeb • It is a most popular method of accessing internet. • It uses a concept called hypertext. • Hypertext documents on internet are known as web pages. • Web pages are created by using a special language called Hyper Text Markup Language (html)
- 14. Uses of theInternet ? • On-line communication • Software sharing • Exchange of views on topics of common interest • Posting of information of general interest • Product promotion • Feedback about product • Customer support service • On-line journals and magazines
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- 16. Internet Growth Trends •1977: 111 hosts on Internet • 1981: 213 hosts • 1983: 562 hosts • 1984: 1,000 hosts • 1986: 5,000 hosts • 1987: 10,000 hosts • 1989: 100,000 hosts • 1992: 1,000,000 hosts • 2001: 150 – 175 million hosts • 2002: over 200 million hosts • By 2010, about 80% of the planet will be on the Internet
- 17. CYBER CRIME • Cybercrimeis any illegal act committed using a computer network (especially the Internet). • Criminal activities that take place in cyberspace (the Internet). • Computer used to commit a crime – Child porn, threatening email, assuming someone’s identity, sexual harassment, defamation, spam, phishing • Computer as a target of a crime – Viruses, worms, industrial espionage, software piracy, hacking
- 18. EXAMPLE OF CYBERCRIME
- 19. Classification OF CYBERCRIME • Cybercrime includes a wide variety of crime • Offences under cyber crime: – Offences against the confidentiality integrity and availability of computer data and systems – Content-related offences – Copyright-related offences
- 20. TYPES OF CYBERCRIME Viruses Worms Trojans Mail bombs Threats Harassment DOS Fraud Theft Piracy Break-ins Terrorism.
- 21. CYBER LAW • Lawgoverning cyber space • Cyber law encompasses laws relating to: – Cyber Crimes – Electronic and Digital Signatures – Intellectual Property – Data Protection and Privacy
- 22. NEED OF CYBERLAW Cybercriminals + computer technology = difficulties to apply the law. not only real-world crimes by using computers…
- 23. NEED FOR CYBERLAWS • TACKLING CYBER CRIMES • INTELLECTUAL PROPERTY RIGHTS AND COPYRIGHTS PROTECTION ACT
- 24. CYBER LAWS ININDIA • IT-ACT PASSED IN 2000
- 25. IT ACT PROVISIONS •email would now be a valid and legal form of communication in our country that can be duly produced and approved in a court of law. • Companies shall now be able to carry out electronic commerce using the legal infrastructure provided by the Act. • Digital signatures have been given legal validity and sanction in the Act.
- 26. IT ACT PROVISIONS •The Act now allows Government to issue notification on the web thus heralding e- governance • statutory remedy in case if anyone breaks into companies computer systems or network and causes damages or copies data
- 27. National & InternationalEfforts • First Wave (privacy) – Sweden (1973) ; USA (1974); Federal Republic of German (1977); Austria, Denmark, France and Norway (1978), etc. • Second Wave (property) – Italy (1978); UK (1981,1990); USA (1980s); Canada and Denmark (1985), etc. • Third Wave (intellectual property) • Convention on Cybercrime – Ensuring that countries adopt procedural laws. – Harmonizing national cybercrime law.
- 28. PROTECT YOUR SYSTEM •Use anti-virus software and firewalls - keep them up to date • Keep your operating system up to date with critical security updates and patches • Don't open emails or attachments from unknown sources • Use hard-to-guess passwords. Don’t use words found in a dictionary. Remember that password cracking tools exist • Back-up your computer data on disks or CDs often
- 29. • Don't shareaccess to your computers with strangers • If you have a Wi-Fi network, password protect it • Disconnect from the Internet when not in use • Reevaluate your security on a regular basis • Make sure your employees and family members know this info too!
- 30. • Treat yourpassword like you treat your toothbrush. Never give it to anyone else to use, and change it every few months. THANKS ????