Comment by foxylad
6 years ago
Make the passwords one character longer than what is noted in the book? Only you know the character and where it is added.
For bank cards with fixed lengths, increment/decrement the nth character, swap two characters, or do a circular shift.
Or an arbitrary number of characters. If you know the additional six alphanumeric characters added, that's another 14 million combinations to test.
Or 2FA, or ....