diff --git a/security-notes/OSSN-0001 b/security-notes/OSSN-0001
index 95d20e1a..02ea6665 100644
--- a/security-notes/OSSN-0001
+++ b/security-notes/OSSN-0001
@@ -38,10 +38,10 @@ guests. Even with appropriate AppArmour policies applied.
 
 ### Contacts / References ###
 Author: Robert Clark, HP
-Nova : http://docs.openstack.org/developer/nova/
-LXC : http://lxc.sourceforge.net/
-Libvirt : http://libvirt.org/
-KVM : http://www.linux-kvm.org/page/Main_Page
-Xen: http://xen.org/products/xenhyp.html
+Nova : https://docs.openstack.org/nova/latest/
+LXC : https://linuxcontainers.org/
+Libvirt : https://libvirt.org/
+KVM : https://www.linux-kvm.org/page/Main_Page
+Xen: https://www.xenproject.org/developers/teams/hypervisor.html
 LXC DAC : https://wiki.ubuntu.com/UserNamespace
 LXC LibVirt Discussion : https://www.berrange.com/posts/2011/09/27/getting-started-with-lxc-using-libvirt/
diff --git a/security-notes/OSSN-0047 b/security-notes/OSSN-0047
index 40502681..e844c372 100644
--- a/security-notes/OSSN-0047
+++ b/security-notes/OSSN-0047
@@ -118,7 +118,7 @@ This OSSN : https://wiki.openstack.org/wiki/OSSN/OSSN-0047
 Original LaunchPad Bug : https://bugs.launchpad.net/keystone/+bug/1390124
 OpenStack Security ML : openstack-security@lists.openstack.org
 OpenStack Security Group : https://launchpad.net/~openstack-ossg
-Keystone Federation Docs : http://docs.openstack.org/developer/keystone/configure_federation.html
+Keystone Federation Docs : https://docs.openstack.org/keystone/latest/admin/federated-identity.html
 mod_auth_mellon Docs : https://github.com/UNINETT/mod_auth_mellon/wiki
 mod_shib Docs : https://wiki.shibboleth.net/confluence/display/SHIB2/NativeSPApacheConfig
 mod_auth_openidc Docs : https://github.com/pingidentity/mod_auth_openidc
diff --git a/security-notes/OSSN-0049 b/security-notes/OSSN-0049
index 20a1e2f1..cfa0d7f9 100644
--- a/security-notes/OSSN-0049
+++ b/security-notes/OSSN-0049
@@ -62,4 +62,4 @@ This OSSN : https://wiki.openstack.org/wiki/OSSN/OSSN-0049
 Original LaunchPad Bug : https://bugs.launchpad.net/nova/+bug/1451931
 OpenStack Security ML : openstack-security@lists.openstack.org
 OpenStack Security Group : https://launchpad.net/~openstack-ossg
-Oslo Config Special Handling Instructions: http://docs.openstack.org/developer/oslo.config/cfg.html#special-handling-instructions
+Oslo Config Special Handling Instructions: https://docs.openstack.org/oslo.config/latest/#special-handling-instructions
diff --git a/security-notes/OSSN-0073 b/security-notes/OSSN-0073
index 9c52115d..d19a7fbd 100644
--- a/security-notes/OSSN-0073
+++ b/security-notes/OSSN-0073
@@ -36,4 +36,4 @@ Related bug : https://bugs.launchpad.net/horizon/+bug/1597864
 OpenStack Security ML : openstack-dev@lists.openstack.org
 OpenStack Security Group : https://launchpad.net/~openstack-ossg
 
-[1]: http://docs.openstack.org/developer/horizon/topics/settings.html
+[1]: https://docs.openstack.org/horizon/latest/contributor/topics/index.html