Really? Tell me more. What block cipher are you using? In which mode? How do you manage IVs? How do you manage keys? If you use passwords/passphrases, what KDF do you use? How do you guarantee the integrity of archives? What defences do you have in place against side channel attacks? Can I see the source code?
edit: Well we also take operational and technical security precautions to validate our data integrity on a real-time basis. Our facilities are monitored on hardware and network levels 24/7/365. And we meet Federal HIPAA guidelines for privacy and security.
If you really had "NSA-level" encryption you'd be able to do a lot better than that. (Unless your answer was "I can't discuss that and this product is only available to US government employees with the appropriate security clearances", of course.)
Go easy on him, he's put a ton of work in to the graphics, we all know that's what is what counts when you do online backup.
Why not just be honest?
I don't know what to say.