Threats to data

Threats to data

1. Types of threats

   • Opportunists threats
     • damage or steal any unattended computer left on
   • Accidental Damage
     • accidental mishap
   • Phishing
     • attempts to gain passwords and important info
   • Computer Viruses
     • A small program that spread and make changes to computer systems
   • Other Malware
     • Worms and Trojan horse

2. prevention

   • Physical barrier
     • turning of computer and officers
   • passwords
     • sequence of characters known only by the users to access data (should be strong)
   • Access Level
     • Allows individuals to access to specific levels of data which prevent unauthorised access
   • Anti-virus software
     • set up to intercept viruses before they reside on the computer and can remove it
   • Firwall
     • Moniters data arriving from the internet and data leaving the computer
   • Encryption
   • Backup and recovery