Group 7: Hacking and virus

Thu Huong

Phuong Anh

Xuyen

Nhu Quynh

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 hackersII. VIRUS i. Overview ii. Virus prevention iii. tips for users

HACKING…

HACKING…

HIGHLIGHTS What is hacking?Types of hackingTypes of hackers

Definition • “Hacking is unauthorized use of

computer and network resources” oxford Dictionary

IS HACKING A CRIME??

Hackin

g is NOT

all

CRIME

EthicalUnethical

UNETHICAL HACKING..?

i. illegalii. 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 HackersDISTINCTION ON THE BASIS OF

KNOWLEDGE CODERS ADMINS SCRIPT KIDDIESDISTINCTION ON THE BASIS OF LEGALITY WHITE HATS GREY HATS BLACK HATS

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 paidgeneral are coders.

Ankit Fadia

OVERVIEW

Definition of virus

Transmission of viruses

Symptoms of virus attacks

Classification of virus

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

Computer runs slower than usual

System crashes for no reason

Files disappear

PC speaker beeps

periodically

SYMPTOMS OF VIRUS ATTACKS

CLASSIFICATION OF VIRUS

VIRUS

TROJANHORSE

WORM MACRO

TROJAN HORSE

• Do not replicate themselves

• Install files that keep them around

• Spread via chat software

WORM• Is a special type

of viruses

• Does not infect files

• Deletes files which it does not understand

MACRO

• Is written in a macro language

• Embed itself

75% of all viruses today are macro viruses

Antivirus ProgramAntivirus Program

1. Definition2. How an Antivirus

works3. Types of some

popular antiviruses

Identify

Remove

Prevent

Antivirus Software

How an Antivirus works

Using dictionary Approach

Examine each and every file in a computer

Examine content with the virus definitions stored in its

virus dictionary

Using Suspicious Behavior Approach

Monitor the activity of all the programs

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

Types of some popular Antivirus

• 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

Backup the files regularly

Every 24 hours

AutomaticallyManually 

Once a week

Virus Prevention

• Update your anti-virus software frequently

Why? new viruses.

updates contain the latest files

Kaspersky

Avira

AVG

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 hackersII. VIRUS i. Overview ii. Virus prevention iii. tips for users

References!!!• http://en.wikipedia.org/wiki/Ankit_F

adia• http://www.authorstream.com/Pres

entation/dishh-1492698-hacking-virus-antivirus/

• http://www.powershow.com/view/15a5f1-NWRlO/Viruses_Worm