ALL CLASS COMPUTER SCIENCE AND DATA PROCESSING NOTES

  Who is a Hacker? Types of Hackers A  Hacker  is a person who finds and exploits the weakness in computer systems and/or networks to gain access. Hackers are usually skilled computer programmers with knowledge of computer security. Hackers are classified according to the intent of their actions. The following list classifies hackers according to their intent. Symbol Description Ethical Hacker (White hat):  A hacker who gains access to systems with a view to fix the identified weaknesses. They may also perform penetration  Testing  and vulnerability assessments. Cracker (Black hat):  A hacker who gains unauthorized access to computer systems for personal gain. The intent is usually to steal corporate data, violate privacy rights, transfer funds from bank accounts etc. Grey hat:  A hac

  What is Cybercrime? Cyber crime is the use of computers and networks to perform illegal activities such as spreading computer viruses, online bullying, performing unauthorized electronic fund transfers, etc. Most cybercrimes are committed through the internet. Some cybercrimes can also be carried out using   Mobile   phones via SMS and online chatting applications. Type of Cybercrime The following list presents the common types of cybercrimes: Computer Fraud:  Intentional deception for personal gain via the use of computer systems. Privacy violation:  Exposing personal information such as email addresses, phone number, account details, etc. on social media, websites, etc. Identity Theft:  Stealing personal information from somebody and impersonating that person. Sharing copyrighted files/information:  This involves distributing copyright protected files such as eBooks and computer programs etc. Electronic funds