What if hackers could knock off 911 Emergency Telephony Network?

Source: National Cyber Security - Produced By Gregory Evans Have you ever wondered what could happen if hackers would block or disrupt 911 emergency call system? Perhaps you are about to say it’s impossible. However, it would only take 6,000 Smartphones.

Article Link: http://nationalcybersecurity.com/hackers-knock-off-911-emergency-telephony-network/