Manage security and redirection for non authorized access in MVC

@{
    ViewBag.Title = "Home Page";
}

<h2>@ViewBag.Message</h2>
<p>
    Site privileges.
</p>

<ul>
    <li><span class="blue">Home</span> = <span class="red">Everyone</span></li>
    <li><span class="blue">User Info</span> = <span class="red">UserInfo_Reader</span> Role</li>
    <li><span class="blue">View With Render Action</span> = <span class="red">SimpleUser</span> Role <br />
        <span class="blue">Render Action</span> = <span class="red">RenderAction_Reader</span> Role
    </li>
    <li><span class="blue">Current User Roles (read)</span> = <span class="red">SimpleUser</span> Or <span class="red">SuperUser</span> Roles<br />
        <span class="blue">Current User Roles (save)</span> = <span class="red">SuperUser</span> Role
    </li>
    <li><span class="blue">About</span> = <span class="red">About_Reader Role</span></li>
    <li><span class="blue">Apply Default Roles</span> = <span class="red">Everyone</span></li>
</ul>