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Lecture Professional Practices in IT: Lecture 17 - Saqib Iqbal

Lecture 17: Introduction to Hacking. After studying this chapter you will be able to understand: What is network security? Hacking, history of hacking, who is hacker? Who is cracker? Why do crackers exist? Difference between hacker & cracker, which operating system hacker use. | Lecture 17 Introduction to Hacking WHAT IS NETWORK SECURITY? Security is much larger than just packets, firewalls, and hackers. Security includes: Policies and procedures Liabilities and laws Human behavior patterns Corporate security programs and implementation Technical aspects- firewalls, intrusion detection systems, proxies, encryption, antivirus software, hacks, cracks, and attacks Understanding hacking tools and how attacks are carried out is only one piece of the puzzle. 2 Hacking THE PROCESS OF ATTEMPTING TO GAIN OR SUCCESSFULLY GAINING,UNOTHORIZED ACCESS TO COMPUTER RESOURCES FOR THE PURPOSE OF HELP OR SECURE SYSTEM IS CALLED HACKING HISTORY OF HACKING 1966 – ROBERT MORRIS INTRODUCES THE CONCEPT OF SAFE HACKING. 1969 – DEVELOPMENT IN THE FIELD OF HACKING. 1990 – ELECTRONIC FRONTIER FOUNDATION WAS FOUNDED. 1995 – MARK ANDREESSON & ERIC RELEASE MOSAIC. WHO IS HACKER? HACKER IS NOT CYBER CRIMINAL BUT HE IS THE VERY INTELLIGENT PERSON WHO USES HIS KNOWLEDGE IN CONSTRUCTIVE MANNER TO SECURE SYSTEM & NEVER DAMAGE DATA HE KNOWS ALL ABOUT THE OPERATING SYSTEM & DIFFERENT HOLES IN THE SYSTEM WHO IS CRACKER? PERSON WHO ENTER INTO OTHER’S SYSTEM AND VIOLET THE SYSTEM,DAMAGE THE DATA,CREATE HAVOC IS CALLED CRACKER CRACKER IS CYBER CRIMINAL THEY CAN BE EASILY IDENTIFIED BECAUSE THEIR ACTIONS ARE MALICIOUS WHY DO CRACKERS EXIST? CRACKERS EXIST BECAUSE HUMAN NATURE IS JUST SO,FREQUENTLY DRIVEN BY TO DESTROY INSTEAD OF CREATE THEY ARE USED FOR DIFFERENT PURPOSES LIKE FOR PROFIT,SOME COMPANY USE THEM FOR DISABLING THE COMPITITOR COMPANY, FOR CRACKING CREDIT CARD NUMBER DIFFERENCE BETWEEN HACKER & CRACKER HACKER’S PROGRAMS TO CHECK INTIGRITY OF OTHER PROGRAMS.THUS WHEN HACKERS CREATE PROGRAM IT AUTOMATICALLY CHECKS REMOTE MACHINE SECURITY STRUCTURE THEY ALWAYS DO CONTRUCTIVE WORK CRACKERS RARELY MAKE THEIR OWN PROGRAM .INSTEAD ,THEY STEAL TOOL,PROGRAMS FROM OTHERS CRACKERS CREATES NOTHING & DESTROY MUCH WHICH OPERATING SYSTEM HACKER USE SUN UNIX MICROSOFT SUN HACKERS Use . | Lecture 17 Introduction to Hacking WHAT IS NETWORK SECURITY? Security is much larger than just packets, firewalls, and hackers. Security includes: Policies and procedures Liabilities and laws Human behavior patterns Corporate security programs and implementation Technical aspects- firewalls, intrusion detection systems, proxies, encryption, antivirus software, hacks, cracks, and attacks Understanding hacking tools and how attacks are carried out is only one piece of the puzzle. 2 Hacking THE PROCESS OF ATTEMPTING TO GAIN OR SUCCESSFULLY GAINING,UNOTHORIZED ACCESS TO COMPUTER RESOURCES FOR THE PURPOSE OF HELP OR SECURE SYSTEM IS CALLED HACKING HISTORY OF HACKING 1966 – ROBERT MORRIS INTRODUCES THE CONCEPT OF SAFE HACKING. 1969 – DEVELOPMENT IN THE FIELD OF HACKING. 1990 – ELECTRONIC FRONTIER FOUNDATION WAS FOUNDED. 1995 – MARK ANDREESSON & ERIC RELEASE MOSAIC. WHO IS HACKER? HACKER IS NOT CYBER CRIMINAL BUT HE IS THE VERY INTELLIGENT PERSON WHO USES HIS KNOWLEDGE IN CONSTRUCTIVE MANNER