The iPhone Has Passed a Key Security Threshold - Technology Review

Excerpt from an iPhone security snapshot

"In fact, in its efforts to make its devices more secure, Apple has crossed a significant threshold. Technologies the company has adopted protect Apple customers' content so well that in many situations it's impossible for law enforcement to perform forensic examinations of devices seized from criminals. Most significant is the increasing use of encryption, which is beginning to cause problems for law enforcement agencies when they encounter systems with encrypted drives."

The iPhone Has Passed a Key Security Threshold - Technology Review