The WordPress Authentication Keys and Salts help protect your website from intrusion by encrypting the information that identifies you with the site.

Resetting your keys and salts within iControlWP is as easy as clicking the "Generate New Authentication Keys And Salts" button:

Recommendation: This should be done regularly to ensure stale logged-in users are removed from accessing your site.

For more information on Authentication Keys and Salts, read the blog article here.