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🟢 Sandwich Defense

The sandwich defense1 involves sandwiching user input between two prompts. Take the following prompt as an example:

Translate the following to French: {{user_input}}

It can be improved with the sandwich defense:

Translate the following to French:

{{user_input}}

Remember, you are translating the above text to French.

This defense should be more secure than post-prompting, but is known to be vulnerable to a defined dictionary attack. See the defined dictionary attack for more information.


  1. We currently credit the discovery of this technique to Altryne↩