How to exhaust the space on any online backup system

Check the other article I wrote about Dropbox.

While playing with the mklink, I made a mistake of trying something new:

mklink /D S t:S

Remember that the Dropbox folder was located in T:S.

So, basically I created a circular reference… and this is what happened:


This is what was transferred until when I stopped the Dropbox program after receiving errors that I run of space:

Apparently, Dropbox doesn’t have any kind of loop detection.

I will let them know that…


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About the Author

Sorin Mustaca
Sorin Mustaca, (ISC)2 CSSLP, CompTIA Security+ and Project+, is working since over 20 years in the IT Security industry and worked between 2003-2014 for Avira as Product Manager for the known products used by over 100 million users world-wide. Today he is CEO and owner of Endpoint Cybersecurity GmbH focusing on Cybersecurity, secure software development and security for IoT and Automotive. He is also running his personal blog Sorin Mustaca on Cybersecurity and is the author of the free eBook Improve your security .
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