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Tuesday, April 22, 2014

Dan Geer on Heartbleed and Software Monocultures

Good essay:
To repeat, Heartbleed is a common mode failure. We would not know about it were it not open source (Good). That it is open source has been shown to be no talisman against error (Sad). Because errors are statistical while exploitation is not, either errors must be stamped out (which can only result in dampening the rate of innovation and rewarding corporate bigness) or that which is relied upon must be field upgradable (Real Politik). If the device is field upgradable, then it pays to regularly exercise that upgradability both to keep in fighting trim and to make the opponent suffer from the rapidity with which you change his target.
The whole thing is worth reading.

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