Broken red closed lock. Meant to signify something that cannot be opened or accessed due to damaged data.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Lock-red.svg" title="File:Lock-red.svg">File:Lock-red.svg</a>: <a href="//commons.wikimedia.org/wiki/User:Headbomb" title="User:Headbomb">Headbomb</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Pbrks" title="User:Pbrks">Pbrks</a></li></ul>
This file was derived from: <a href="//commons.wikimedia.org/wiki/File:Lock-red.svg" title="File:Lock-red.svg">Lock-red.svg</a>: <a href="//commons.wikimedia.org/wiki/File:Lock-red.svg" class="image"><img alt="Lock-red.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Lock-red.svg/50px-Lock-red.svg.png" decoding="async" width="50" height="79" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Lock-red.svg/75px-Lock-red.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Lock-red.svg/100px-Lock-red.svg.png 2x" data-file-width="512" data-file-height="813"></a><br>