On 2015年01月17日 22:18, Roy Smith wrote: > Tell me about it. I have an E-Trade ATM card. When I first got > it, I set it up with a 6 digit PIN. I was shocked to discover some > time later that it actually only looks at the first 4 digits. And, > no, I'm not talking *characters*, I'm talking *digits*. There are > 10**4 possible PINs. The mind boggles. You think that's bad, one million Google Authenticator 2-factor verification codes were leaked: https://twitter.com/paulmutton/status/509991378647277568 Those hackers are a wily bunch. ;-) -tkc