Earlier this week we talked about Darpa's self-hacking hack-a-thon at DefCon. Computer World reports that an autonomous system called "Mayhem" was declared the preliminary winner of the Historic Cyber Grand Challenge. Apple has announced an invitation-only security bug bounty to reward researchers who find flaws in their code. It's time to update iOS again. Man suffers heart attack and gets driven to the hospital by his Tesla's Autopilot, or does he?

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