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how can I set up a passcode on my Mac Studio 1 and it not be used on my iPad or iPhone? Is it as simple as turning off the passkey on my iphone or iPad?
[Re-Titled By Moderator]
iPhone 13 Pro
There is yet another approach.
if you are hesitant to have your credit card numbers, debit card numbers, or passcodes for ANY site on your computer, you can choose to NOT save them on your computer at all.
I do not want my credit card numbers in computer-readable form on my computers at all. So I simply tell the Mac when it wants to save them, "No Thanks". This means I need to key them in each time they are used, but I do not find that a huge inconvenience. (For bank account passwords, you would need to memorize and/or commit to paper copy in a safe place.)
Similarly when you Mac asks, "Save this password?" you can decline. If you have already committed them as a saved password once, you can use the Keychain Access utility to view, edit, and if you wish, remove selected passwords.
if you have questions about how to do that or any related topic, just post back.
unless/until you deliberately share your passwords from your Mac into your Apple-ID/iCloud, the ones on the Mac are ONLY on the Mac.
unless/until you deliberately share your iPhone passwords into your Apple-ID/iCloud, the ones on your phone are ONLY on your phone.
How to safeguard bank passcode on my Mac Studio such that it not be used on my iPad or iPhone
