Cyber Crime Investigation | Data Recovery Services

Cyber crime is basically a criminal activity which is done by using the computer system and internet. In this criminal activity it includes downloading of illegal music or videos, uploading of any illegal music or video to harass someone, hacking of bank account details whether it includes stealing the money or stealing the information of the person, make any fake mail id to harass someone on social sites or any other networking sites, usage of any other person email id without taking the permission of an authorized person.

Categories of cyber crime:

It mainly includes phishing and pharming techniques where the criminal use to take the information by sending fake sites or any other links just to get the information illegally.

  • Computer as a Target:-
    using a computer to attack other computers. E.g. Hacking, Virus/Worm attacks, DOS attack etc.
  • Computer as a Weapon:-
    using a computer to commit real world crimes. E.g. Cyber Terrorism, IPR violations, Credit card frauds, EFT frauds, Pornography etc.

Technical aspects of Cyber crime:-

There are some technical aspects which includes the misusage of the system without having authority to use it.

  • Unauthorized access & Hacking:

    Access means gaining entry into, instructing or communicating with the logical, arithmetical, or memory function resources of a computer, computer system or computer network. Unauthorized access would therefore mean any kind of access without the permission of either the rightful owner or the person in charge of a computer, computer system or computer network. Every act committed towards breaking into a computer and/or network is hacking. Hackers write or use ready-made computer programs to attack the target computer. They possess the desire to destruct and they get the kick out of such destruction. Some hackers hack for personal monetary gains, such as to stealing the credit card information, transferring money from various bank accounts to their own account followed by withdrawal of money.

    By hacking web server taking control on another person website called as web hijacking.

  • Trojan Attack:

    It acts like something useful but do the things that are quiet damping. The programs of this kind are called as Trojans. The name Trojan Horse is popular.

    Trojans come in two parts, a Client part and a Server part. When the victim (unknowingly) runs the server on its machine, the attacker will then use the Client to connect to the Server and start using the Trojan.TCP/IP protocol is the usual protocol type used for communications, but some functions of the Trojans use the UDP protocol as well.

  • Virus and Worm attack:

    A program that has capability to infect other programs and make copies of itself and spread into other programs is called virus. Programs that multiply like viruses but spread from computer to computer are called as worms.

  • E-mail & IRC related crimes:
    1. Email spoofing

      Email spoofing refers to email that appears to have been originated from one source when it was actually sent from another source. Please Read.

    2. Email Spamming

      Email “spamming” refers to sending email to thousands and thousands of users – similar to a chain letter.

    3. Sending malicious codes through email

      E-mails are used to send viruses, Trojans etc through emails as an attachment or by sending a link of website which on visiting downloads malicious code.

    4. Email bombing

      E-mail “bombing” is characterized by abusers repeatedly sending an identical email message to a particular address.

      • Sending threatening emails
      • Defamatory emails
      • Email frauds
      • IRC related

      Three main ways to attack IRC are: “verbalâ⦣8218;?Ŧ#8220; attacks, clone attacks, and flood attacks.

  • Denial of Service attacks:

    Flooding a computer resource with more requests than it can handle. This causes the resource to crash thereby denying access of service to authorized users.

    Examples include

    • Attempts to “flood” a network, thereby preventing legitimate network traffic.
    • Attempts to disrupt connections between two machines, thereby preventing access to a service.
    • Attempts to prevent a particular individual from accessing a service.
    • Attempts to disrupt service to a specific system or person.
  • Cyber pornography:

    This would include pornographic websites; pornographic magazines produced using computers (to publish and print the material) and the Internet (to download and transmit pornographic pictures, photos, writings etc).

  • Sale of Illegal Articles

    This would include sale of narcotics, weapons and wildlife etc., by posting information on websites, auction websites, and bulletin boards or 167 simply by using email communication. E.g. many of the auction sites even in India are believed to be selling cocaine in the name of ‘honey’.

  • Online gambling

    There are millions of websites; all hosted on servers abroad, that offer online gambling. In fact, it is believed that many of these websites are actually fronts for money laundering.


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