Apple Fixes 911 Flaw in Latest iOS Update

March 31, 2017

Among the changes in an iPhone software update Apple Inc. released this week: a fix aimed at preventing cyberattacks on 911 centers in the U.S.

The vulnerability was exposed in October after an 18-year-old in Arizona allegedly designed code that would cause iPhones to repeatedly dial 911. A link to the code went viral on Twitter, as teenagers...