According to new research presented at both the annual Black Hat USA and DefCon conferences this week in Las Vegas, hardware flaws, heat and cosmic rays may be flipping 1s and 0s and changing URL addresses.

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But apps written to the protocol can be vulnerable to denial-of-service, session hijacking, and man-in-the middle attacks over the Internet, as well as an attacker actually able to "watch" the transactions, says David Goldsmith, CEO of Matasano Security, who will present the firm's new research on FIX at the upcoming Black Hat USA briefings later this month.

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