title: Impact of System.setSecurityManager(null)
body: <p>I was facing some issue in Applet. Here is the links for that issue. </p>
  
  <p><a href="https://stackoverflow.com/questions/19401951/java-security-accesscontrolexception-access-denied-java-security-securityperm">java.security.AccessControlException: access denied (&quot;java.security.SecurityPermission&quot; &quot;authProvider.SunMSCAPI&quot;)</a></p>
  
  <p>I just added <code>System.setSecurityManager(null)</code> And my applet works fine. I want to know, what will be the impact of settings security manager to null? Will it make data insecure? or something else.</p>