What is Clef?

Clef Two-Factor Authentication We use Clef to login to the S4 Technology blog instead of a user name and password. The Clef mobile app provides password-free, two-factor authentication that is highly secure and enjoyable to use. Sync your phone with the Clef […]

What is CSRF Protection?

Spring Secruity Docs:http://docs.spring.io/spring-security/site/docs/3.2.7.RELEASE/reference/htmlsingle/#csrf-include-csrf-token   When using Spring Security, all PUT, POST, and DELETE requests require “authentication” or you will get the error below { “timestamp”: 1460035702156, “status”: 403, “error”: “Forbidden”, “message”: “Invalid CSRF Token ‘null’ was found on the request […]