Dropbox, a file sharing app has recently been under scrutiny after over 70 million of its users credentials were hacked. Bydgoszcz, Poland on September 4 2016. (Photo by Jaap Arriens/NurPhoto via Getty Images)

Dropbox, a file sharing app has recently been under scrutiny after over 70 million of its users credentials were hacked.  Bydgoszcz, Poland on September 4 2016. (Photo by Jaap Arriens/NurPhoto via Getty Images)