Data protection 2

• Encryption refers to the process of encoding plain-text information with an encryption key.
• We encrypt stored data, such as passwords kept in a database, and data during transmission, such as websites with HTTPS in the URL to encrypt data you submit to the website.
• Ethical hacking is the process of utilising techniques in order to gain access to a system with ethical intent. The most common forms of ethical hacking are white-hat hacking and grey-hat hacking.
• Analysis of system data/behaviours involves overseeing a systems data and users actions to see if poor practices are being followed.
• Backups should be taken?


  Based on business and its needs
• Which of the following would count as a remote backup?

  On a separate drive in the same computer no

  In a OneDrive cloud storage server yes

  On a USB stick in a locked safe no

  On a USB stick in another building yes
• What is cipher text?


  Plain-text after it has been encrypted
• Why is stored data sometimes encrypted?


  If data is stolen it is still unreadable
• What are two common vulnerabilities identified by penetration testing?

  Open network ports

  Out of date software
• What key unencrypts encrypted data?


  Decryption key
• Draw a flowchart today in prep book of encryption
• Firewalls and anti-virus software are device hardening methods
• Having frequent backups is important so you can recover up-to-date data if it is ever lost. Backups should be kept in a remote location.