SnapChat Leak: An Educational Opportunity?

If you’re following this story, then you know that SnapChat, a super-popular App that a large number of my high school freshmen have on their phones, had a security problem that allowed a hacker to get the usernames and phone numbers of 4.6 million SnapChat users.

[Was your data leaked?  You can check using this look-up tool.]

I was eager to see if any of my students were in the set of leaked accounts.  I wanted to create conversation around why data leakers do this, and what appropriate responses would have been for the users and creators of such technology.

So I did some poking around.  I downloaded the data (46MB ZIP).  I to open it as a CSV in Excel 2013, but it couldn’t.  I opened it in Notepad+ and searched for my number.  Not found.  I searched for anything in 425 area code (Bellevue-Redmond).  Nothing.  I searched for anything in 509 area code (eastern WA).  Nothing.  So none of my students were in the leaked data.

It turns out only a select few numbers in 76 area codes were shared.

https://i2.wp.com/www.snapchatdb.info/img/count.jpg

http://mashable.com/2014/01/01/tool-snapchat-compromised/

And it’s interesting that only 10,623 numbers in 206 area code (Seattle) were shared.  That’s only 1 part-per-thousand of the total numbers in 206.  Which is either a comment on the importance of SnapChat in Seattle or the underestimation of area codes to include from the hacker.

Or take a look at 815 area code in the picture above, if 215,953 numbers in 815 use SnapChat, that is 21 out of every thousand phones (or 2%)!  Not bad for a small App that doesn’t care about security.

So, can someone get me all the 509 numbers at SnapChat please?  It would help me in lessons at school next week.  Smile

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