Benevolent keylogger for "instant replay" undo of mistakes?

[veti]

It occurs to me that the product would look and act very similarly to the clipboard if it copied all keyboard input and never saved anything. At that point it's exactly as safe as the current clipboard would be if you typed everything in there first and copy/pasted it out. The only threat I see is someone having physical access to the machine at which point most security is already useless.

The difference is that if it's automatically recording all the time, then it's gonna capture everything. Including, without limitation: password, credit card numbers etc., which no-one in their right mind would put in the clipboard.

And "stored only in RAM" is not really something that can be guaranteed. Pagefiles are a thing. If the computer should happen to crash while this particular memory is still current, then a malicious actor may be able to retrieve it from disc even though it was never purposely saved there.