Here's one theory and analysis of what might have happened. Some people's emails got out into the public internet, and were indexed. Some of these emails were from Facebook, and included links to resources that require login. These links pre-populated the username field for convenience, or in some cases auto-login the user. Facebook's engineers probably did not anticipate email notifications to users being crawled by…
More than 1MM Facebook accounts exposed
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Re: More than 1MM Facebook accounts exposed
#32You think this is bad. Try doing the following google search: "password" filetype:csv
Re: More than 1MM Facebook accounts exposed
#33Facebook's privacy settings have a ton of bugs. Here's another one: 1. Make a stupid status update post. 2. It appears in all your friends newsfeed. 3. You realize you said something stupid and private. 4. Panic. Delete post 5. Breathe sigh of relief that it is no longer showing up in your profile. 6. But wait a minute! It still keeps showing up in all your friends newsfeed. 7. Now that you deleted the post, you can'…
to be fair, cache invalidation is hard.
Re: More than 1MM Facebook accounts exposed
#34You think this is bad. Try doing the following google search: "password" filetype:csv
there are also a number of info query tools that do similar.
over 3000+ Google queries categorized in exploit-db:
Re: More than 1MM Facebook accounts exposed
#35Facebook's privacy settings have a ton of bugs. Here's another one: 1. Make a stupid status update post. 2. It appears in all your friends newsfeed. 3. You realize you said something stupid and private. 4. Panic. Delete post 5. Breathe sigh of relief that it is no longer showing up in your profile. 6. But wait a minute! It still keeps showing up in all your friends newsfeed. 7. Now that you deleted the post, you can'…
Re: More than 1MM Facebook accounts exposed
#36Just stealing from other bit in this thread: somehow these urls got on the Internet even though they shouldn't have. They are pre-authed urls that auto-login and then expire.
Re: More than 1MM Facebook accounts exposed
#37Re: More than 1MM Facebook accounts exposed
#38Re: More than 1MM Facebook accounts exposed
#39Looks fixed.
Re: More than 1MM Facebook accounts exposed
#40it seems more of what google crawled and stored, another possibility could be illegally via cookies for ads or analytics