Just mk3s or all cold cards?

all effected mk3 worse. don't think if you are secure or not, just move the funds. now vulnerability is public more sophisticated people will try to use more sophisticated methods with more collective processing power. use a multisig with keys generated using different methods, or use a very secure passphrase on top of your seed phrase. but immediately rn, move it to something that's not cold card.

they say mk1 safe

All modern license ColdCards firmwares including Q!