Data Security and Managment

Data Security and Managment

1. Malicious Damage

   • Hacker - Gain/ improve reputation
   • Industrial Espionage - Rival company wants to damage data / reputation
   • Disgruntled Employee - Wants to hurt company
   • Malware - E.g: Ransomware or spyware

2. Preventing malicious damage

   • Up to date Antivirus
   • Backups
   • Physical destruction of hard disks
   • Encryption
   • Locked Doors
   • Firewall

3. Compression

   • Storing data to take up less space.
     • There are two types of compression:
       • Lossy: Small changes to the original data.
         • More effective. Does not re-create the original data exactly.
       • Lossless: The original data is left unaltered.
         • Allows the original data to be unaltered.