how safe is your computer?

Here is my computer…

and, here is yours…

After few months,

My computer…

Your computer…

My computer…

Some where in here…

Why

because, you did not know about…

Computer security is the process of preventing and detecting an unauthorized access to your computer.

Give it some thought !

1. Name three things you do that are harmful to your computer.

2. How can you protect your computer?

3. What is the significance of the Stuxnet worm and NASA’s donation of computers?

are computers not secure?

does malware enter?

can you do?

HOME

Notice anything unusual?

This is one of the first signs you notice, when MALWARE enters your computer.

Malware is a malicious software that enters a

computer without the owner’s consent.

You are on your computer working normally and suddenly something pops up.

Viruses and Worms enter your computer and copy, damage or delete your data.

Trojan Horses pretend to be helpful software

Trojan Horses pretend to be helpful software

but their purpose is external excess to the computer.

You might have seen something similar to this…

Such fake antivirus scanners are

called SPYWARE

Spyware secretly watches and records your actions online.

Spyware secretly watches and records your

actions online or sends you endless pop-up ads.

Phishing is a criminal process to acquire sensitive information

Phishing is a criminal process to acquire sensitive information by pretending to be trustworthy.

There are also many other kinds of malware like

wabbits, adware, backdoors, keyloggers etc.

Click to go HOME

Click to continue

Let’s play some World of Warcraft !

Let’s play some World of Warcraft !

Malware?

How did that enter?

How did that enter?

Through Computer Vulnerabilities

Computer Vulnerabilities are weaknesses or loop holes in a computer software through which an attacker sends malware.

Example…

A famous computer worm in 2010 called Stuxnet attacked various computers in the world because of many vulnerabilities such as…

“A flaw was found in the way Windows XP systems are allowed to switch user keyboard layouts.”

Through this and many more vulnerabilities the worm infected about 100,000 computers.

Click to go HOME

Click to continue

Whenever a virus attacks, there is always an increase in the total number of hits in the world.

What can you do to stop this increase?

Install Antivirus Software

Use programs at lower

Turn on Firewall

Did you know?

NASA sold some of its computers without clearing the hard drives. It might have lost sensitive information.

You could have done the same…

So, break the hard drive before disposing your computer

Update computer regularly

Listen to your computer and don’t visit harmful websites

Create Back-ups

What if you don’t follow these methods?

Invasion of privacy

Loss of confidential information

which could result in…

My computer…

Remember this…

However, if you do follow these rules, you and your computer will be…

HAPPY

By Sanjana Kambalapally

March 4, 2011

ITGS Project