ISC StormCast for Tuesday, October 20th 2015

By Johannes Ullrich Using Entropy To Identify Files Missed by Crypto Ransomware
https://isc.sans.edu/forums/diary/Ransomware+Entropy/20271/
Facebook to Warn Users of Nationstate Attacks
https://www.facebook.com/notes/facebook-security/notifications-for-targeted-attacks/10153092994615766
Yahoo Attempting to Eliminate Passwords
http://yahoo.tumblr.com/post/131217400419/yahoo-account-key-signing-in-has-never-been
Apple Removes Hundreds of Apps that Use Chinese Data Stealing SDK
https://sourcedna.com/blog/20151018/ios-apps-using-private-apis.html More Here