The document discusses the history, classification, and prevention of cybercrime, emphasizing the evolution of criminal behavior with the rise of technology since the first recorded cybercrime in 1820. It categorizes cyber crimes into various forms such as financial crimes, hacking, and intellectual property violations and highlights the significance of anonymity in hindering investigations. Prevention strategies include regular audits, employee supervision, the use of antivirus and encryption software, and fostering awareness of cybersecurity practices.

1. CYBER CRIME & SECURITY Presented By: S UNNY K UMAR A DITYA 12080088 Seminar Guide: Mr. S UDEEP E LAYIDOM “ Your computer is the crime scene”

2. Outline HISTORY DEFINITION CLASSIFICATION DETECTION PREVENTION

3. HISTORY The first recorded cyber crime took place in the year 1820! The loom allowed the repetition of a series of steps in the weaving of special fabrics. This resulted in a fear amongst employees that their traditional employment was being threatened. They committed acts of sabotage to discourage further use of the new technology.

4. Introduction Internet has offered us a much more convenient way to share information across time and place. Cyberspace also opened a new venue for criminal activities. The anonymity of cyberspace makes identity tracing a significant problem which hinders investigations. Uninformed and misguided users .

5. CLASSIFICATION OF CYBERCRIME 1 .Computer as Target 2 .Computer as an instrumentality 3 .Computer as an incidental or other crime 4 .Crime associated with the prevalence of computers.

6. COMPUTER AS A TARGET OF A CRIME Physical damage Theft or destruction of information (data). The spread of viruses , Trojans and worms . Software piracy, hacking etc.

7. Computer as an instrumentality . Crimes were either computers or their contents bare used in furtherance of crime Those offences which are committed by manipulating contents of computer systems. Include sending e-mails, ransom notes , credit card frauds, telecommunication frauds or theft.

8. Computer as Incidental With the advent of computer the criminal have started using the technology as an aid for its perpetuation. They include use of computers as an aid for drug trafficking, money laundering, etc Means of coordinating .

9. Copyright violation Sharing of copyright material – Torrents Software piracy Selling material protected by copyrights Component theft Crime with Prevalence of computers.

10. Types of cyber crime Financial crimes - cheating, credit card frauds, money laundering Forgery etc. Sale of illegal articles: Online gambling: Intellectual Property crimes Theft of information contained in electronic form Email bombing

11. Types of cyber crime Data Diddling Salami attacks Email spoofing Cyber Defamation Cyber stalking Hacking

12. Types of cyber crime Denial of Service attack Virus / worm attacks Logic bombs Trojan attacks Internet time theft Web jacking Phishing

13. Email Bombing Sending huge volumes of e-mail To an address or server in an attempt to overflow the mailbox or overwhelm the server Zip Bombing Methods of email bombing Mass Mailing Link Listing

14. Denial of Service Denial of Service - works by flooding the access routers with bogus traffic. Distributed DoSs (DDoS5) : coordinated DoS attacks from multiple sources. Difficult to block because it uses multiple, changing, source IP addresses.

16. Data Diddling Changing of data before or during entry into the computer system Forging or counterfeiting documents used for data entry Exchanging valid disks and tapes with modified replacements. Prevention: Regular Audits Supervising employees

18. Salami Attack A series of minor attacks that together results in a larger attack Used for financial crimes in which criminals steal money or resources a bit at a time from a system Prevention: Find indications of an attack Random audits Don't ignore what appear to be errors in computer-based financial systems.

19. E-mail Spoofing The sender address and other parts of the e-mail header are altered . From, Return-Path and Reply-To fields Although the e-mail appears to come from the address indicated in the From field it actually comes from another source. Prevention Antivirus Use cryptographic signatures

21. Logic Bomb Is a piece of code intentionally inserted into a software system That will set off a malicious function when specified conditions are met Prevention: Monitoring system Application logs are the keys to identifying unwarranted activity

22. H4CK1NG Unauthorized remote computer break-ins via a communication networks such as the Internet Categories of hackers White hat or Ethical Hacker Grey hat Blue hat Black hat Elite Script kiddie

23. What can I do? It is not possible to eliminate cyber crime from the cyber space. It is quite possible to check them. Awareness is the first step in protecting yourself. Invest in Anti-virus, Firewall, and SPAM blocking software for your home PC. Passwords Change passwords on a regular basis Use complex passwords Do not automatically check boxes before reading the contents of any agreement etc

24. What can I do? Avoiding use of Unauthorized software Avoid opening of unknown email. Use internet filtering software. Data Level Security Using encrypting softwares