And we achieved pretty much that, something on the order of that in this first round of firewalled discretionary spending cuts.

WHITEHOUSE: Press Briefing

Last, and lest we forget, Linux can be firewalled at several levels.

CNN: Analysis: Linux security

Penalties for employees caught unlocking their phones could include removing access to email and firewalled apps, immediately blocking communication, and locking or wiping the device.

FORBES: How To Protect Your Company Against The Risks Of Unlocked Phones