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The Dropbox hack is real

31-08-2016 03:09PM

#1

900913

Registered Users, Registered Users 2 Posts: 367 ✭✭

Join Date: March 2011

Posts: 310

Earlier today, Motherboard reported on what had been rumoured for some time, namely that Dropbox had been hacked. Not just a little bit hacked and not in that "someone has cobbled together a list of credentials that work on
Dropbox" hacked either, but proper hacked to the tune of 68 million records.

What we've got here is two files with email address and bcrypt hashes then another two with email addresses and SHA1 hashes. It's a relatively even distribution of the two which appears to represent a transition from the weaker SHA variant to bcrypt's adaptive workload approach at some point in time. Only half the accounts get the "good" algorithm but here's the rub: the bcrypt accounts include the salt whilst the SHA1 accounts don't. It's just as well because it would be a far more trivial exercise to crack the older algorithm but without the salts, it's near impossible.

https://www.troyhunt.com/the-dropbox-hack-is-real/

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