ISC StormCast for Monday, December 19th 2016

Verizon Webmail XSS Exploit
https://randywestergren.com/persistent-xss-verizons-webmail-client/
Blocking Powershell Connections via Windows Firewall
https://isc.sans.edu/forums/diary/Blocking+Powershell+Connection+via+Windows+Firewall/21829/
Exploit Kits Delivering Cerber Ransomware
https://isc.sans.edu/forums/diary/One+if+by+email+and+two+if+by+EK+The+Cerbers+are+coming/21823/
More Security Companies joining "No More Ransom"
https://www.nomoreransom.org
IT Contractor Trying to Take Over Radio Station
https://regmedia.co.uk/2016/12/16/kcohvtaylorfiling.pdf
Holiday Safe Computing Tips
https://isc.sans.edu/forums/diary/Holiday+Safe+Computing+Tips/21827/