This document discusses hacking and cracking. It defines hacking as unauthorized attempts to bypass security systems or networks, and distinguishes between ethical ("white hat") hackers and criminal ("black hat") hackers. It describes common hacking techniques like phishing and pretexting. The document also provides examples of famous hackers and notes that most hacking targets social media sites. It recommends security measures like antivirus software and firewalls to prevent hacking.

1. HACKING
AND
CRACKING
BY:
Mohit Agarwal
EC 2 year

2. Objectives of Hacking and
Cracking
 What is Hacking?
 Difference between Hacking and
cracking
 Types of Hackers
 Types of Hacking Techniques
 Preventive measures
 Some Cracking Examples

3. HACKING
 Authorized or Unauthorize
attempts to bypass the security
mechanisms of an information
systems or network
 In simple words Hacking means
finding out weaknesses in a
computer or computer network

5. Why do people hack ?
 To make security stronger (Ethical hacking)
 Just for fun
 Steal important information
 Destroy enemy’s computer network
 For Fame

6. Types of Hackers

7. White-hat Hackers
 The good guys who identify the
security weakness of the system or
network and inform the owner about
them

8. Black Hat Hackers
A black hat is the villain or
bad guy, who crash into victim‟s
security to steal information and
destroy the victims security
network.

9. Grey hat Hackers
A grey hat, in the hacking community,
refers to a skilled hacker who is
somewhere in between white and
black hat hackers

10. Pretexting
Phishing

11. Pretexting:
Pretexting is the act of been that u r not to
release information (e.g. date of birth, Social Security
Number, last bill amt.)
Phishing:
Phishing is an e-mail fraud method in which the
perpetrator sends out email in an attempt to gather
personal and financial information from recipients.
Phishers attempt to fraudulently acquire
sensitive information, such as usernames, passwords and
credit card details .Ebay and PayPal are two of the most
targeted companies, and online banks are also common
targets

12. Language of hackers - Leet
1 -> i or l
3 -> e
4 -> a
7 -> t
9 -> g
0 -> o
$ -> s
| -> i or l
|| -> n
|/| -> m
s -> z
z -> s
f -> ph
ph -> f
x -> ck
ck -> x

13. Example:
1 d1d n0t h4ck th1s p4g3, 1t w4s l1k3 th1s
wh3|| 1 h4ck3d 1n
I did not hack this page, it was like this
when I hacked in.

14. World famous hackers
 Stephen
Wozniac
 Tsutomu
Shimomura

15.  Kevin Mitnick
 Kevin Poulsen

16. Random Fact !!!!
 The average age group of
hackers are aged between 14-24
yrs. …

17. Did you know ?
Social networking sites like
„FACEBOOK‟, ‟GMAIL‟,
‟YAHOO” comprised of 60% of
direct or indirect hacking
incidents.

18. Most popular virus
Links involving private pictures
of celebrities.
Links showing pictures of
famous personalities like
videos of Osama Bin Laden‟s
killing.

19. Another popular scam
Facebook lottery scam.

21. Preventive measures
 Install a strong anti-virus with full
security from internet, removal
memory etc.
 Avoid disclosing personal details like
phone number, credit card details to
strangers.
 A good firewall (Sygate personal)
 A good spy ware / Trojan buster.
 Use of genuine software

22. How to become Hacker
 The best approach is to gain as much
knowledge about stuff as you can.
 Good command over C / C++ / Perl
will definitely help.
 But above all you need a good logical
brain

23. Some Examples of Cracking
Windows Cracking
1) Windows Logon
password Breaking

24. Window log on password
breaking
 To hack windows login password, reboot and wait for the message:
When we see the boot menu on the screen, press F2 or F12 before “Starting
Windows 9x…” . The boot menu will come up. Select option to boot into DOS
.
C:>cd windows
 C:windows>ren *.pwl *.xyz // RENAME
Or delete them by typing
 C:windows>del *.pwl *.xyz
//DELETE

25. Easy and Simple approach
On many computers a series of
keystrokes may crash the password program.
keep pressing ESC 15 to 20 times . This will
result in the crashing of the password program and the
computer will continue booting .
BY BOOTING
We can break into a computer by using live tools like
conboot live cd which are readly available on internet .The
live cd can be used to make a bootable pen drive and then
we can break into any computer.