# Security

Sail is non-custodial by design. Your funds stay in your own smart account, and the agent can only act within strict limits you control. This section covers the permissions model, infrastructure safeguards, and independent audits that make it secure.

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="image">Cover image</th></tr></thead><tbody><tr><td><strong>Permission &#x26; Keys</strong></td><td>Why Sail is non-custodial and how smart accounts define what the agent can and cannot do.</td><td><h4><i class="fa-leaf">:leaf:</i></h4></td><td><a href="/pages/PbYb0GukRhiS4qCHdRal">/pages/PbYb0GukRhiS4qCHdRal</a></td><td><a href="/files/Udi8dvlu2Jay6L9Sk11z">/files/Udi8dvlu2Jay6L9Sk11z</a></td></tr><tr><td><strong>Infra Safeguards</strong></td><td>The systems that protect Sail’s automation—secure container isolation and Sonar—our in-house security agent. </td><td></td><td><a href="/pages/aOjs4gC5WzIpifbjuGsn">/pages/aOjs4gC5WzIpifbjuGsn</a></td><td><a href="/files/NZPwrdYv5JBiPiAHBxHl">/files/NZPwrdYv5JBiPiAHBxHl</a></td></tr><tr><td><strong>Audits</strong></td><td>Independent reviews, disclosures, and ways to verify Sail’s security for yourself.</td><td><h4><i class="fa-server">:server:</i></h4></td><td><a href="/pages/g4ZJhqckPLwjHjt88gzp">/pages/g4ZJhqckPLwjHjt88gzp</a></td><td><a href="/files/AJbntTsnKmHIL4nIUqoU">/files/AJbntTsnKmHIL4nIUqoU</a></td></tr></tbody></table>


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