As a professional writer, I have been lamenting the demise of the proofreader - and the lack of authors' ability or inclination to carefully proof their own work - for years. Now there's proof (no pun intended) that even for the bad guys, careless typing can bring all your hard work crashing down around you.
A simple typographical error - the mispelling of the word "foundation" - prevented hackers from carrying out a digital theft from the Bangladesh Central Bank of almost a billion dollars. In this case, that was a win for law and order, but it just goes to show that a stray keystroke, especially when writing code, really does make a difference. And that applies to the good guys, too.
Read more about the case here: