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Knowledge organisers / Wired and wireless networks, protocols and layers

Common protocols: HTTPS (Hyper Text Transfer Protocol Secure)

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Knowledge organiser

Wired and wireless networks, protocols and layers

1.3.2e.iii

What you need to know

HTTPS (Hypertext Transfer Protocol Secure) is the secure version of HTTP. It encrypts data during transmission, protecting sensitive information like passwords and payment details from being intercepted.

Key points

  • Definition:HTTPS (Hypertext Transfer Protocol Secure): the secure, encrypted version of HTTP that protects data during transmission between browser and server.
  • Encrypts data so that if it is intercepted, it cannot be read (it appears as meaningless code).
  • Essential for websites handling sensitive data: online banking, shopping, login pages.
  • Exam Tip:HTTPS = HTTP + ENCRYPTION. The 'S' stands for Secure. Always mention encryption when describing why HTTPS is more secure than HTTP.