1. Welcome to our presentation

2. cyber security
SUBMITTED BY:
Roksana Akter
I’d:151-15-4864
Mst Tanha Tasnim
I’d:151-15-5420
Hadiea Rashid
I'd:151-15-5298
Renu Akther
I'd:151-15-5096
SUBMITTED to:
Mohammad Jahangir
LECTURER AT
DEPARTMENT OF CSE
DAFFODIL
INTERNATIONAL
UNIVERSITY

3. Roksana Akter
I’d:151-15-4864

4. WHAT IS CYBER SECURITY??
The security offered
through on-line services to
protect your online
information is Called Cyber
Security.

5. MEANING OF THE WORD CYBER
It is a combining form
relating to information
technology, the Internet,
and virtual reality.

6. NEED OF CYBER SECURITY
 Cyber security is necessary
since it helps in securing
data from threats such as
data theft or misuse, also
safeguards your system
from viruses.

7. MAJOR SECURITY PROBLEMS
 Virus
 Hacker
 Malware
 Trojan horses
 Password cracking

8. Mst Tanha Tasnim
I’d:151-15-5420

9. Viruses

10. Solution
Install a security suite that protects the
computer against threats such as viruses and
worms

12. Hackers
In common a hacker is a person who
breaks into computers, usually by
gaining access to administrative
controls

13. Types of Hackers

14. How To prevent hacking

15. Hadiea Rashid
I'd:151-15-5298

16. Malware

17. Where malware comes from?
How to recognize malware?
How to remove malware?

18. Trojan Virus

19. How Trojans can impact you
 Backdoor
 Exploit
 Rootkit
 rojan-Banker
 Trojan-Downloader
 Trojan-Dropper
 Trojan-SMS
 Trojan-Spy

20. How to protect against Trojan
By installing effective anti-malware software,
you can defend your devices.A rigorous anti-
malware solution – such as Kaspersky Anti-
Virus – will detect and prevent Trojan attacks
on your devices. Kaspersky Lab has anti-
malware products that defend the following
devices against Trojans

21.  Windows PCs
 Linux computers
 Apple Macs
 Smart phones

22. Password Cracking & Securing Password
In computersecurity, password cracking is
the process of
recovering passwords from data that have
been stored in or transmitted by a computer
system. A common approach is to try guesses
repeatedly for the password and check them
against an available cryptographic hash of the
password.

24. Software:
There are many password cracking software tools,
but the most popular are Aircrack, Cain and
Abel, John the Ripper, Hashcat,Hydra and so on.
Securing Password from cracking by following this
method “Easy to remember, hard to guess”

25. Renu akther
I'd:151-15-5096

26. Big cyber attacks on
2016

28. Why should we care ?
It is a criminal activity committed on the
internet .
Cyber crime – where computer is either a
tool or target or both.

29. Advantage of cyber
security It will defend from hacks and virus.
 The application of cyber security used in our
PC needs update every week.
 The security developers will update their
database every week once. Hence the new
virus also deleted.

30. Our responsibility

31. Conclusion
The only system which is truly
secure is one which is switched
off and unplugged. So , only way
to be safe is Pay attention and
Act smart