You cannot protect that file from yourself

You cannot protect that file from yourself. That is the whole article. The rest is packaging.

The file, here, is the key a program of yours keeps on the computer so it does not ask for a password again: a JSON in your home folder, a token, whatever the tool needs to work. As long as that key sits somewhere your account can read, any other program you agreed to run already has it. This is not a bug. It is not because the app was obscure. It is the definition of running as you.

Call the other program Tetris, so we do not waste time on a brand name. Tetris does not break in. It asks for the file and the operating system hands it over, because the operating system thinks Tetris is you.

That is why “there is no possible protection” is right in the sense the reader wants. They want a step, a lock, a checklist after the installer that stops the next famous program from spending the key. That step does not exist. Anyone who promises it is lying — on purpose, or out of support-desk habit.

What the guides conflate

Three threats. Tutorials sell a defense against the first as if it covered the second.

Another user. A stolen laptop. The file pasted in the wrong place. Here controls exist: disk encryption, not emailing the key, not publishing the file on GitHub. Those work. They are not the Tetris case.

A program already running as you. A game, a browser extension, a famous installer that never asked which folder. The usual list here is theater.

Guide tip	What it actually does
“Owner-only” permissions	Stops another person on the computer. Tetris is you.
Keep the key in a variable instead of a file	Another program of yours can read that too.
“Put it in the system keychain”	On Windows, the same account can read it. On a Mac, it only becomes a defense if the system binds the item to that program and prompts. Many tools skip that. Some, on a Mac, skip the lock and still call it a keychain.
“Only install well-known software”	Famous software still runs as your account. A trusted origin is not a lock. It is a feeling.
Read the installer script	That does not stop the program, once installed, from opening the file.

Do not put those rows in a “what to do” section. They are the product a protection guide sells. The public harm is not only the leaked key. It is the reader walking away thinking they are protected.

Change your life. A separate account on the machine for anything that does not need your work account. A virtual machine. A sandbox. Do not leave a long-lived key on the table. Make the system ask. Technically that is the only protection before theft. Almost nobody does it, because the same industry that stores the key in the home folder also sells “install and go.” If the article pretends this is a reasonable habit, it is lying again — with a hardcore accent.

Revoke afterwards, check usage, treat the key as burned: that is not protection. It is admitting it already happened. It is the only move that matters after. Guides put it at the end, like hygiene. It is the middle of the story.

The contract, out loud

You, the tool, the game, the extension, the installer that did not ask for a path — under the current model, you are the same person, as far as the computer is concerned. Your home folder is not a vault. It is a table.

This is not an attacker’s secret. It is the written premise: a program of the same account is trusted. When someone reports Tetris, the ticket closes as out of scope. That is not hidden cynicism. It is the spec. “Industry standard” is not a security seal. It is an agreement among vendors not to treat your account as a threat. You are on the outside of that agreement.

The file usually has a fixed, documented path in your folder. The tool has to read it to work. So Tetris can too. Asking the vendor for a lock inside the file — a JSON you can use and another program of yours cannot read — is asking them to break the model they chose. They already answered.

What exists without the illusion

This is not a checklist. It is three sentences.

1. If you do not want program X to read tool Y’s account, X cannot run as the same account as Y. Without that, forget it.
2. If Y already left a long-lived key on the table, any X that has run or still runs that way may have copied it. Rotate the key. The file “still being there” does not mean only you have seen it.
3. Stop treating fame and “industry standard” as a wall. The useful question is: can Tetris read this without a window from me? If the answer is yes, it is not secure. It is convenient.

None of that makes the file impregnable. All of it is better than owner-only permissions plus the feeling of a duty discharged.

Why write it

Not to save the JSON. To stop the next piece from blaming the user and handing them a permissions command as penance.

A “how to protect yourself” guide either lies, or it states the contract. If the article cannot open with “you are not protected, and the product did not intend to protect you,” do not write it. It becomes another theater tutorial.

The version without makeup is worse to publish and more honest: you cannot protect yourself from this without stopping using the computer the way it is sold.