1. Lecture 17 Introduction to Hacking

2. 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

3. 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

4. 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.

5. 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

6. 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

7. 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

8. 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

9. WHICH OPERATING SYSTEM HACKER USE  SUN  UNIX  MICROSOFT

10. SUN  HACKERS Use EITHER SOLARIC X86 OR SCO AS A PLATFORM.  THIS IS BECAUSE THESE PRODUCTS ARE LICENSED WARE & THEY CAN EASILY BE OBTAINED.

11. UNIX  POPULAR PLATFORM BECAUSE THEY REQUIRED A LOW OVERHEAD.  WE CAN RUN LINUX ON A PALTRAY 386 AND GAIN GOOD PERFORMANCE.  THIS IS REASONABLE.

12. MICROSOFT  THIS SUPPORTS MANY SECURITY TOOLS THAT CAN BE USED TO ATTACK REMOTE MACHINE.  IT HAS ADVANCED TOOLS FOR NETWORKING AS WELL.