Add security sections, with ednote to consider in more detail.

Author: gkellogg

spec/latest/json-ld-api/index.html

@@ -4345,6 +4345,11 @@ <h4>JsonLdErrorCode</h4>
 <section id="idl-index" class="appendix informative">
 </section>
 
+<section id="security" class="appendix">
+  <h3>Security Considerations</h3>
+  <p class="ednote">Consider requirements from <a href="https://w3ctag.github.io/security-questionnaire/">Self-Review Questionnaire: Security and Privacy</a>.</p>
+</section>
+
 <section class="appendix informative">
   <h2>Changes since 1.0 Recommendation of 16 January 2014</h2>
   <ul>

spec/latest/json-ld/index.html

@@ -4201,6 +4201,12 @@ <h3>application/ld+json</h3>
     [[RDF11-CONCEPTS]].</p>
 </section>
 
+<section id="security" class="appendix">
+  <h3>Security Considerations</h3>
+  <p class="ednote">Consider requirements from <a href="https://w3ctag.github.io/security-questionnaire/">Self-Review Questionnaire: Security and Privacy</a>.</p>
+  <p>See, <a href="#iana-considerations" class="sectionRef"></a></p>
+</section>
+
 <section class="appendix informative">
   <h2>Acknowledgements</h2>