The factory is hiding things from all of its users. Can you login as logon and find what they've been looking at? or
After login, We'll check source code but nothing to get.
<!DOCTYPE html>
<html lang="en">
<head>
<title>Factory Login</title>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet">
<link href="https://getbootstrap.com/docs/3.3/examples/jumbotron-narrow/jumbotron-narrow.css" rel="stylesheet">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<div class="header">
<nav>
<ul class="nav nav-pills pull-right">
<li role="presentation" class="active"><a href="/">Home</a>
</li>
<li role="presentation"><a href="/logout" class="btn btn-link pull-right">Sign Out</a>
</li>
</ul>
</nav>
<h3 class="text-muted">Factory Login</h3>
</div>
<div class="jumbotron">
<p class="lead"></p>
<p style="text-align:center; font-size:30px;"><b>Flag</b>: <code>picoCTF{th3_c0nsp1r4cy_l1v3s_6f2c20e9}</code></p>
</div>
<footer class="footer">
<p>© PicoCTF 2019</p>
</footer>
</div>
</body>
</html>