KEY TERMS 2

Key terms

• Physical barriers
• Password control
• Access levels
• Anti virus software
• Firewall
• Encryption
• Backup

Physical barriers.

• Real world protection such as locks on doors , CCTV cameras and turning computers off at night.

Password control

• using strong passwords that are at least 8 characters long and include at least one upper-case letter , lower-case letter, number and symbol.

Access level

• ensuring that people only have access to the parts of the system they need and training them before giving the the greater access.

Anti virus software

• software that deletes or quarantines viruses.

Firewall

• firewall monitors data coming in and out of a network and protects it from viruses ,malware and hackers . it puts "wall" around a network.

Encryption

• turning data into a secret code before sending it over the internet so that if it is intercepted it will not be understood.

Backup

• Making a copy of data in a different place than the original data in case the original becomes corrupt or deletes .