diff --git a/README.md b/README.md
index c802239..8ab10ce 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
 # RespectfulPlatforms.org
 
-A declaration of fundamental rights and principles for ethical digital platforms, ensuring privacy, dignity, and fairness in online spaces.
\ No newline at end of file
+A declaration of fundamental rights and principles for ethical digital platforms, ensuring privacy, dignity, reasonable security and fairness in online spaces.
\ No newline at end of file
diff --git a/index.html b/index.html
index 4e7e96f..94e6213 100644
--- a/index.html
+++ b/index.html
@@ -220,6 +220,23 @@
                   }
               ]
           },
+          {
+              title: "Transparent Cybersecurity Posture",
+              principles: [
+                  {
+                      title: "Security Posture Transparency",
+                      description: "Regular publication - at least annual - of security practices, implemented safeguards, enabling users to make informed decisions about platform trustworthiness."
+                  },
+                  {
+                      title: "Incident Disclosure",
+                      description: "Security incidents affecting user data or platform integrity must be promptly disclosed to all impacted users with clear impact assessment."
+                  },
+                  {
+                      title: "Public Post-Mortems",
+                      description: "Detailed post-incident analysis reports are published for all security incidents and unplanned downtime, explaining root causes, remediation steps, and preventive measures implemented to prevent future occurrences."
+                  }
+              ]
+          },
           {
               title: "Fairness in Algorithmic Systems",
               principles: [