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How is your personal information kept secret on the internet?

Video How is your personal information kept secret on the internet?

TLF ID M020585

Lots of private data is exchanged over the internet. What are some examples? As Mia Epner explains, cryptography allows for the secure transfer of data online. How does encryption work? And what is a key? Today information is encrypted using 256 bit keys. This keeps information safe because it means there are way too many possible key combinations for hackers' computers to try. Mia describes two types of keys: public keys and private keys. Using the mailbox example in the video, explain to a friend or family member how public and private keys work. What does the 'https' in a web address signal?

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Educational details

Year level

9; 10

Topics Technologies Information and communication technologies Internet Software Computers STEM
Learning area
  • Digital technologies
  • Technologies

Other details

Contributors
  • Contributor
  • Name: Australian Broadcasting Corporation
  • Organization: Australian Broadcasting Corporation
  • Description: Creator
  • URL: http://www.abc.net.au
  • Name: Education Services Australia
  • Organization: Education Services Australia
  • Description: Data manager
  • Address: VIC, AUSTRALIA
  • URL: http://www.esa.edu.au/
  • Publisher
  • Name: Australian Broadcasting Corporation
  • Organization: Australian Broadcasting Corporation
  • Description: Publisher
  • URL: http://www.abc.net.au
  • Resource metadata contributed by
  • Name: Education Services Australia Ltd
  • Organisation: Education Services Australia Ltd
  • Address: AUSTRALIA
  • URL: www.esa.edu.au
Access profile
  • Generic
Learning Resource Type
  • Video
Rights
  • This Licence allows you to download, remix, alter and re-use this clip in your own creations. You can share your creations by copying, distributing and communicating to others. You must provide a credit to the ABC as follows: Clip/Main Title [How is your personal information kept secret on the internet?] provided by the Australian Broadcasting Corporation.