The Rolling Review will help organizations get unbiased information about the state of DLP as well as their options. It’s impossible to protect your data with 100% certainty, of course, but in reality, DLP is often about making your security capabilities just strong enough to send hackers on to the next potential victim. Simulations will test how well the vendor can protect against data loss on handheld devices and PCs, prevent intellectual property leaks via IM, or prevent data leaks via e-mail, FTP, USB thumb drives, prohibited printing, and screen capture.”]
Source: https://www.darkreading.com/attacks-breaches/data-loss-prevention-software-takes-security-up-a-notch