Well, they'd also need the codebook where you store the passphrase to get the other half of the password.
So if you change the master password regularly, they'd need to hack a database in that time window and steal your codebook. I highly doubt anyone would put that level of effort in.
So if you change the master password regularly, they'd need to hack a database in that time window and steal your codebook. I highly doubt anyone would put that level of effort in.