Nhu Quynh
Xuyen
Thu Huong
Phuong Anh
Purpose
• Giving information about hacking and
virus
• some tips for preventing hacking and
virus
Outline
I. HACKING
i.definition
ii. Types of hacking
iii. Types of hackers
II. VIRUS
i. Overview
ii. Virus prevention
iii. tips for users
HIGHLIGHTS
What is hacking?
Types of hacking
Types of hackers
Definition
• “Hacking is unauthorized use of computer and
network resources” oxford Dictionary
IS HACKING A CRIME??
Ethical
Unethical
UNETHICAL
HACKING..?
i. illegal
ii. fun and money purpose.
iii. BLACKMAILING.
ETHICAL HACKING
 testing the resources for a good cause and for
the betterment of technology.
focusing on Securing and Protecting IT
Systems.
Types of Hackers
Black Hats
 very dangerous person.
 Highly paid person.
 criminal activities.
Gary McKinnon
Generally these are admins.
 not so dangerous, but sometimes
could be.
White hats
 good hackers .
Very high paid
general are coders.
Ankit Fadia
OVERVIEW
DEFINITION
• What is a
computer virus?
• Is a specific type
of malware
• Causes harm or
frustration
DEFINITION
• Self replication
• Infection
TRANSMISSION OF VIRUSES
• Hardware devices
•
Storage devices
TRANSMISSIONS OF
VIRUSES
• Internet
• Communication systems and wireless
communication channels
SYMPTOMS OF VIRUS ATTACKS
SYMPTOMS OF VIRUS ATTACKS
Screen
flickers
PC speaker
beeps
periodically
Files
disappear
Computer
runs slower
than usual
System
crashes for
no reason
SYMPTOMS OF VIRUS
ATTACKS
CLASSIFICATION OF
VIRUS
VIRUS
TROJAN
HORSE
WORM
MACRO
TROJAN
HORSE
• Do not replicate
themselves
• Install files that
keep them around
• Spread via chat
software
• Is a special type of
viruses
• Does not infect
files
• Deletes files which
it does not
understand
WORM
MACRO
• Is written in a
macro language
• Embed itself
75% of all viruses
today are macro
viruses
Remove
Identify
Prevent
Using
dictionary
Approach
Using
Suspicious
Behavior
Approach
Examine each
and every file in
a computer
Examine
content with
the virus
definitions
stored in its
virus dictionary
Monitor the
activity of all
the programs
Types of some popular
Antivirus
Norton Antivirus
Types of some popular
Antivirus
McAfee Antivirus
Types of some popular
Antivirus
AVG Antivirus
Types of some popular
Antivirus
Kaspersky Antivirus
Types of some popular
Antivirus
NOD32 Antivirus
Types of some popular
Antivirus
BKAV
• Virus preventions
• Some alerts
• Misunderstanding about antivirus
software
Virus Prevention
• Backup files regularly.
• Update anti-virus software frequently.
• Do not attack any files from strangers.
Virus Prevention
Virus Prevention
• Update your anti-virus software
frequently
Why?
new viruses.
updates contain the latest files
Kaspersky
AVG
Avira
Do not open any files from
strangers
The
Internet
Social
network
USB
Virus found!!
•
•
•
•
Repair
Quarantine
Delete
Ignore
Misunderstanding
• Should not use more than an antivirus
software at one time.
• Too many antivirus software will
make your computer to vulnerability.
Outline
I. HACKING
i.definition
ii. Types of hacking
iii. Types of hackers
II. VIRUS
i. Overview
ii. Virus prevention
iii. tips for users
References!!!
• http://en.wikipedia.org/wiki/Ankit_F
adia
• http://www.authorstream.com/Prese
ntation/dishh-1492698-hackingvirus-antivirus/
• http://www.powershow.com/view/15a
5f1-NWRlO/Viruses_Worm