“Qualcomm is about to roll out chips that incorporate something called CryptoManager that should prevent this sort of hacker hijacking”
Sorry but if man can design it a hacker can rape it.
True, but it will make some attacks more difficult to pull off. These chips will have a configurable security engine built into the silicon. Among other things these chips will protect against Differential Power Analysis and Simple Power Analysis.
This will give you an idea of what Qualcomm will be building into their new generation chips:
http://www.rambus.com/solutions/security/cryptomanager-platform