What do these lock symbols mean

[Android Central Question]

I saw two lock symbols in the notification bar next to the email symbol what do they mean

 

[B. Diddy]

Welcome to Android Central! Which phone? Show us a screenshot: http://forums.androidcentral.com/ge...ide-how-post-screenshots-android-central.html. You'll have to register on this forum first. https://forums.androidcentral.com/ask-question/409154-join-android-central-community.html