The document discusses the importance of cyber security, defining it as the protection of computer and network systems against theft, damage, and unauthorized access. It outlines various types of cyber crimes, notable historical events related to cyber crime, and presents strategies for personal, organizational, and national cyber security. Key recommendations include using antivirus software, safeguarding sensitive information, and legislating against cyber crime.

1. CYBER SECURITY
PRESENTING BY:
KAZI SAZED SALMAN ID: 2015210001045
MUSTARY UMMA ASHA ID: 2015210001029

2. WHAT IS CYBER SECURITY
Cyber security is the protection of
computer & network systems for
preventing -
• Theft
• Damage to the hardware & software
• Misdirection of the information

3. WHY CYBER SECURITY IS
IMPORTANT
• To ensure data protection
• Restrict unauthorized users
• Prevent losing data
• Ensuring privacy & confidentiality
• To keep safe from the cyber crime

4. WHAT IS CYBER CRIME
• Crime committed using a computer and the
internet to steal data or information.
• Illegal imports.
• Malicious programs.

5. A FEW REMARKABLE HISTORIES
1971 – John Draper builds a ‘blue box’ that
reproduces a 26kHz tone, which allows to
make free calls.
1981 – Ian Murphy, becomes first convict of a
computer crime, broke into a super shop’s
computers and changed the billing clock so
that people receive discounted rates during
normal business hours.
1986 – “Brain” the first standard computer
virus released.
1988 – National Bank of Chicago, first victim

6. 1991 – Kevin Poulsen was captured for selling
military secrets
1994 – A 16 year old UK student, got arrested
for accessing computers at the Korean Atomic
Research Institute, NASA and several US govt.
agencies.
1996 – Russian cracker attempts to extort
$100K from thousands of customers' credit
card numbers
2007 – First cyber warfare in Estonia
2010 – WikiLeaks released Iraq War
documents and Afghan War documents
A FEW REMARKABLE HISTORIES
(CONT.)

7. CYBERCRIMES IN 2013

8. RECENT ATTACK IN
BANGLADESH
• In February 2016, US$951 million had been
illegally transferred from Bangladesh Bank.
• Issued via the SWIFT network.
• Withdrawn from a Bangladesh Bank account at
the Federal Reserve Bank of New York.
• $20 million traced in Sri Lanka (since
recovered) and $81 million in the Philippines
(about $18 million recovered).
• The Federal Reserve Bank of NY blocked the
remaining thirty transactions, amounting to
$850 million, at the request of Bangladesh

9. TYPES OF CYBER CRIME
A.Hacking
B.Theft / Piracy
C.Cyber stalking (spying)
D.Identity theft
E. Malicious program
F. Child soliciting & abuse

10. HACKING
• A person’s computer is
broken into so that his
personal or sensitive
information can be
accessed.
• A hacker uses a variety
of software to enter a
person’s computer and
the person may not be
aware that his computer
is being accessed from a

11. THEFT / PIRACY
• Copyright infringement
(piracy) occurs when a
person violates copyrights
and downloads music,
movies, games and
software.
• The owner of the
copyright gets no
monetary value of his
work from the pirated

12. CYBER STALKING
• This is a kind of online
harassment wherein the
victim is subjected to a
barrage of online
messages, emails &
pictures by the stalker.
• Typically, these stalkers
know their victims and
they use the internet to
stalk & spy.

13. IDENTITY THEFT
• A criminal accesses data
about a person’s bank
account, credit cards,
Social Security, debit card
and other sensitive
information to withdraw
money or to buy things
online in the victim’s
name.
• It can result in major

14. MALICIOUS SOFTWARE
• The software is used to
gain access to a system to
steal information or data
or causing damage to
other software or data
present in the system
• These can be Internet-
based software or
programs that are used to
disrupt a network

15. TYPES OF CYBER ATTACK
Financial fraud: 11%
Sabotage of data/networks: 17%
Theft of proprietary information:
20%
System penetration from the outside:
25%
Denial of service:
27%
Unauthorized access by insiders:
71%

16. CYBER SECURITY STAGES
Personal
Security
Organiza
tional
Security
National
Security

17. PERSONAL SECURITY
• Never click on unknown links in emails.
• Do not give out personal information.
• Use recommended antivirus.
• Do not run non-familiar application.
• Keep information private in the social media.
• Keep operating system, browser, anti-virus
and other critical software up to date.

18. ORGANIZATIONAL SECURITY
• Cloud Backup & Pay for Premium Cloud
Security
• Call in an IT Security Consultant when needed
• Don’t let employees download any software
without permission
• Never share official files in social media
• Use portable drives with care
• Use business level antivirus software

19. NATIONAL CYBER SECURITY
• Constructing & applying proper laws for cyber
crime
• Confidential files should be shared with high
care
• Protect national bandwidth from being abused
• Taking proper steps to prevent hackers &
piracy
• Giving high priority on the development of IT
sector

20. THANKS EVERYONE…
IF YOU HAVE ANY QUERY, PLEASE FEEL FREE TO
ASK.