What is Security Threats and these solutions

Security Threats

Threat is defined as a computer program, a person, or an event that violates (or breaks) the security system.

Main Threats

• Unintentional Threat
• Intentional Threat 

Intentional Threat
       The word "unintentional" means "by mistake or by chance". The authorized user may delete sensitive data by mistake or accidentally. The data may also be corrupted or deleted due to:

• Technical failure of hardware 
• Sudden breakdown of electric supply 
• Failure of some program running on the computer 
• Viruses etc.

Solutions

Backup: The backup of data can be used to recover the deleted data.

Antivirus: Latest antivirus software should be used to scan all data coming into the computer.

Intentional Threat

 The word 'intentional' means 'planned or with purpose'. The unauthorized (or Authorized) user may delete sensitive data intentionally. Hackers can delete the sensitive data. A hacker is a person who is technically a computer expert.

Solutions

• Computers and all backing storage devices should be placed in locked rooms.
• Authorized users should change their passwords periodically. Very short Passwords should be avoided.
• Only the authorized users that have rights to access data may be allowed to delete or modify data after following a step-by-step process.