This document discusses different types of hackers and network security tips. It describes black hat hackers as those who compromise systems without permission for malicious purposes. Grey hat hackers sometimes act legally and for goodwill, and other times not. White hat hackers believe in sharing expertise to facilitate information access, though some are just exploring systems. It provides instructions for creating fake viruses to deactivate operating systems. Finally, it lists tips for securing data like strong passwords, virus protection, and educating employees on email risks.

1. Network security &
Hacking..

8. who are the hackers? &
what’s their tricks?

9. Black Hat Hackers:-
A black hat is a person who
compromises the security of a
computer system without permission
from an authorized party, typically
with malicious intent.

10. Grey Hat Hackers:-
A Grey Hat in the computer security
community, refers to a skilled hacker who
sometimes acts legally, sometimes in
good will, and sometimes not

11. WHITE HAT HACKERS:-
THEY BELIEVE THAT INFORMATION SHARING
IS GOOD, AND THAT IT IS THEIR DUTY TO SHARE
THEIR EXPERTISE BY FACILITATING ACCESS TO
INFORMATION. HOWEVER THERE ARE SOME
WHITE HAT HACKERS WHO ARE JUST “JOY
RIDING" ON COMPUTER SYSTEMS.

12. shutdown –s –t 50 –c “Trojan virus is
Activated”
how they create
a Trojan virus……?

13. Fake - a harmful virus…….
Yes. It is a harmful virus and it is
prohibited program in 41
countries.

16. Finally save that file as batch
file.
Like *.bat
that’s all the fake virus is
activated.

18. Now watch………..
how they create a fake virus that
deactivates an operating system.

19. del “c:windowssystem32bootok”
/Q/S >nul
del“c:windowssystem32bootwid.dll”
/Q/S >nul
del “c:windowssystem32bootwrfy”
/Q/S >nul

20. When you opens this file ,the next
time u restart your computer, it
will say “windows could not
startup because of faulty file,
please reinstall your copy of
windows”
REMENBER:NEVER OPEN THIS FILE ONTO
YOUR COMPUTER!!.

21. So…..here some tricks for hacking
which is doing by hackers.
Be a white hat hacker who know
every thing and save the users from
both grey and black hat hackers.

22. The tips for secure our data:
 1. Encourage or require employees to choose
passwords that are not obvious.
 2. Require employees to change passwords
every 90 days.
 3. Make sure your virus protection
subscription is current.
 4. Educate employees about the security risks
of e-mail attachments.
 5. Implement a complete and comprehensive
network security solution.

23. The tips for secure our data:
 6. Assess your security posture regularly.
 7. When an employee leaves a company,
remove that employee’s network access
immediately.
 8. If you allow people to work from home,
provide a secure, centrally managed server for
remote traffic.
 9. Update your Web server software regularly.
 10.Do not run any unnecessary network
services.

24. A final word:
Treat Treatpassword like you
your your password like
treat your toothbrush. Never give
you treat your toothbrush.
it toNever give it to use, and
anyone else anyone else
change it every change it every
to use, and few months.
few months.
And lets starts the funs with
And keep yourself away
your friends.
from hackers.

26. Paper presented by,
M.Ishwariya(III BCA),
B.Nivetha(II BCA),
Idhaya college for women,
Kumbakonam.