Identity Verification Improvement with Spring '16

Learn about the changes we made with the Spring '16 release to improve Identity Verification

Knowledge Article: Being Asked for an Identity Verification Code on Every Login article: http://sfdc.co/bI1Llg
Related Spring ‘16 release notes: http://sfdc.co/cjnYhy
Knowledge Article: How to retrieve verification codes by SMS, email, or Salesforce Authenticator app:
http://sfdc.co/cuh8VA
Help Topic: Activate a device for Identity Verification: http://sfdc.co/GtN96
Developer Blog: Using Login IP Ranges for Stronger User Security: http://sfdc.co/7g8Gm