"It is important that Navy families remain vigilant in not sharing potentially sensitive or secure information by any non-secure means, and that includes letters,e-mails, phone conversations,or social media including Facebook,".

VOA: standard.2010.01.07

Security features on Windows Phone 8 include secure boot, which ensures the phone only runs authentic software and passwords with the ability to pre-define the number of failed password attempts.

FORBES: Can Nokia's Lumia Steal RIM's Security Thunder?

And after they spent 18 months visiting various companies and testing secure chat, phone and text products, they chose Silent Circle.

FORBES: Silent Circle And Vertu Partner On $10,000 Phone

For instance, he says one TAM expander would be integrating near-field communications technology and fingerprint authorization to make the phone a secure payment system.

FORBES: Apple's Next Big Opportunity: Could It Be Remote Controls?