The man who made your passwords so hard to remember regrets what he did.
IT exxpert Bill Burr said that making people remember long, complicated passwords "drives people bananas".
Nearly 15 years ago, Mr Burr wrote guidelines for password security for the US National Institute of Standards and Technology. It included suggestions that passwords should be changed every three months and be made up of a range of different characters.
That document led to stipulations for computer and online accounts that require people to abide by the rules. But he said that they don't work and people still pick terrible passwords – but now they're just harder to remember.
"Much of what I did I now regret," Mr Burr told the Wall Street Journal.
"It just drives people bananas and they don't pick good passwords no matter what you do."
Many websites have taken up the rules, requiring people to add various bizarre characters to their passwords or forcing them to include numbers as well as capital letters. Some even tell people they need to include special characters like question marks or exclamation marks.
Most won't even let people use a password that doesn't include such complex and difficult-to-remember characters. (Other, more progressive companies like Google have relaxed those restrictions.)
Mr Burr's comments echo those from British spy agency GCHQ, which has said that people should instead use easy passwords and whose security chief even joking that they were impossible for spies to follow.
Experts have been predicting the end of passwords and their replacement with other technology like biometrics, including the fingerprint sensor that has made its way into the iPhone and other handsets. But the long strings of forgettable letters have mostly persisted until those technologies become more widespread.
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