Data Protection

Data Protection

1. Firewall

   • Can be hardware or software.
   • Stops hackers from gaining unauthorised access.
   • Can be customised.
   • Easy to install.
   • Can be expensive and take up lots of computer memory.

2. Anti-virus

   • Stops viruses.
   • There are free anti-virus software.
   • Monitors files to identify viruses.
   • Needs to be constantly updated.
   • Can use up a lot of computer memory for scanning files.
   • The best anti-virus software is expensive.

3. Key Terms

   • 'Worms' mostly harmful programs that spread to other programs.
   • 'Trojans' malware disguised as legitimate programs.
   • 'Rootkit' tools or programs that let a user gain unauthorised access.
   • 'Spyware' software installed without the user's consent.