Old Internet Flaw Causes New Problems – Wall Street Journal

An old problem at the core of the Internet is getting more attention, as a growing number of data breaches expose the Web’s weaknesses.

The security gap derives from a flaw in the language that expensive network routers use to figure out how to shuttle digital information to its destination. Machines rely on this chatter among the carrier-grade routers for a map of the Internet, and most network operators have the ability to…

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