If a customer files for bankruptcy, the company often lines up with other creditors to collect whatever assets are left.

WSJ: Debts Go Bad, Then It Gets Worse

Servers often use special virtualized software allowing data from multiple companies to be stored on one server or processor (an analogy would be instead of a cabinet containing files from a single customer, it holds files from numerous clients).

CNN: How safe is cloud computing?

While the virtual machines cut costs and save energy, they also raise questions about data leakage as well as whether a customer would ever find out files have been breached, said Jim Reavis, executive director of Cloud Security Alliance, a non-profit advocated for cloud security standards.

CNN: How safe is cloud computing?

Each complaint will prompt a customer's Internet provider to notify the customer that their Internet address has been detected sharing files illegally.

NPR: Music, Movie Industry To Warn Copyright Infringers

For example, what can prevent the BYOS vendor from sifting through customer data if a bank clerk decides to store files in DropBox, for instance?

FORBES: The Bring Your Own Software Trend - And Why It Will Be Brief

Only one out of every 300, 000 JetBlue passengers files a complaint for overbooking, baggage mishandling or other customer service problems, compared with three for big carriers like Continental and US Airways, according to federal data.

FORBES: The Slipper Solution

As a result, the workflow has gone from sometimes waiting days to retrieve records that were archived off site, to accessing the same files in two or three seconds -- saving time, creating efficiency and improving customer service, McNeil said.

CNN: Is the 'paperless' office here at last?