By Johannes Ullrich 2001 vulnerability found in 2013 Cisco product; Dangers of NAT-PMP; iOS 8.1 Jailbreak; Ruxcon; 911 outage lessons;
Telnetd Vulnerability in Cisco Ironport WSA
https://isc.sans.edu/forums/diary/+telnetd+rulez+Cisco+Ironport+WSA+Telnetd+Remote+Code+Execution+Vulnerability/18869
Miconsconfigured Routers Allow Config Changes via NAT-PMP
https://community.rapid7.com/community/metasploit/blog/2014/10/21/r7-2014-17-nat-pmp-implementation-and-configuration-vulnerabilities
Jailbreak for iOS 8.1
http://pangu.io
Ruxcon Slides / Intercepting Pager Data
https://ruxcon.org.au/slides/
April 911 Outages Affected 3.5 % of US Population
http://threatpost.com/april-911-outage-affected-3-5-percent-of-u-s-population/108974 More Here