Introduction to Computer Security

There is no precise definition for 'safe' or 'unsafe' in the computer system. Development of science and technology that lead to things like that.

Security is something that allows the system and users to :

·         Verify the identity of the entity

·         Maintain valuable information (personal data, passwords, etc.)

Computer Security Purpose :

·         To safe the secret data / information (confidentiality)

·         To prevent data from changes by unauthorized parties (integrity)

·         To ensure that data is available when needed

Some solution to make our computer more secure are below :

·         Update OS

·         Use antivirus (more than one)

·         Update your antivirus databases

     

      -         Manual

            -         Automatically (recommended)

·         Before entering the media (USB, flashdisk, CD, etc.) to computer, scan with antivirus first

·         Use safety browser

·         Use antispyware, antimalware :

            -         Spybot Search and Destroy (http://www.safer-networking.org)

            -         Ad-Aware SE Personal

            -         Spyware Blaster

            -         Windows Defender (was Microsoft Anti Spyware)

            -         Hijack This

·         Use encryption

Data Encryption :

·         GnuPG

·         TrueCrypt