Linked by Howard Fosdick on Sat 10th Nov 2012 07:28 UTC
Bugs & Viruses If you want to ensure you have adequate passwords but don't have the time or interest to study the topic, there's a useful basic article on how to devise strong passwords over at the NY Times. It summarizes key points in 9 simple rules of thumb. Also see the follow-up article for useful reader feedback. Stay safe!
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RE[4]: make 'm long
by kwan_e on Mon 12th Nov 2012 03:13 UTC in reply to "RE[3]: make 'm long"
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You're missing my point. Modern attacks aren't the old style brute force attacks which would try every combination of character. Instead they have every more sophisticated dictionaries (I'm not sure if those are hardcoded possibilities or heuristics).

The problem is we've had an influx of leaked passwords over recent years. Nearly every month another website gets hacked and passwords are leaked - and this provides a massive amount of source to learn user behaviour when selecting passwords which in turn allow attacked to build more intelligent cracking tools.

You're kind of switching the bait here.

The second paragraph only provides knowledege for old style single-word passwords. A passphrase is made up of multiple words, which is much more difficult to analyse behaviour.

Assuming that the cracker somehow can distinguish a passphrase from a long password, they're just confronted with using an almost brute force attack on the word combinations.

Using a 10,000 word dictionary, a passphrase of five words is a space of 100,000,000,000,000,000,000 possibilities. The English language alone has about 250,000 words depending on the OED estimate.

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