Security of Computer System

Let’s Protect the Computer System

• There are two types of Security System.

Security of Computer System

Hardware Security

Software Security

Hardware Security

Any physical component of the computer that can be touch and see is called hardware.

Possible Hardware Security

Issues

Let’s Protect the Computer from Physical Harm

• You must use UPS, Fuse to avoiding damages to the computer by Electricity.

• Let’s use air conditioners and cooling fans to minimize overheating inside the computer.

• Don’t bring foods and drinks inside the lab. • Let’s prevent insects and rats entering the lab. • Keep the lab clean and tidy. • Locked computer lab using doors and windows

properly.

o Check that the UPS switch off .

o Check that the computer power plug is off .

o Check that the main switch is off .

o Do the necessary activity against dust, moisture

and insects .

Attend to the following after using the computer laboratory

Software Security Things that can not touch such as programmes

with data and instruction are called computer software .

Possible Software Security Issues

What is Malware ?? Malware is any man made or part of the software that

designed to damage to software, data information, computer network and also hardware parts of the

computer. There are may types of malware as follows

Computer Virus

Computer Virus is a malicious Software and it can replicate itself. Computer virus can delete or modify data and it can corrupt software . Computer Virus spread through the portable devices.

Computer Worms

Computer Worms are also similar to the computer virus. But it difference is computer worms spread across the computer network.

Trojan Horse

Trojan Horse is a malware . But it seems useful software. But it will cause to damage computer secretly.

Spyware

Spyware is a type of malware that aims to gather information about a person or organization.

The ways that it can affect your computer are mentioned below

o By downloading files from the Internet.

o Through the pen drive.

o Through e-mail attachments.

o Through unprotected documents or poor

administrator passwords.

o Disrupts the normal functionality of the

respective computer system.

o Destroys data.

o Disrupts computer network resources.

o Destroys confidential data.

The impact of viruses on your computer system

Ways to Providing Protection for the Computer Software

o Keeping Backups of data.

o Install anti-virus software.

o Update the computer software .

o Access Control .

o Follow good security practices .

o Do not open/access unreliable web sites. .