Imagine being able to disconnect or redirect Internet traffic destined for some of the world’s largest companies — just by spoofing an email. This is the nature of a threat vector recently removed by a Fortune 500 firm that operates one of the world’s largest Internet backbones.
Emergency 911 systems were down for more than an hour on Monday in towns and cities across 14 U.S. states. The outages led many news outlets to speculate the problem was related to Microsoft’s Azure web services platform, which also was struggling with a widespread outage at the time. However, multiple sources tell KrebsOnSecurity the 911 issues stemmed from some kind of technical snafu involving Intrado and Lumen, two companies that together handle 911 calls for a broad swath of the United States.
