diff --git a/conferences/2025/data.json b/conferences/2025/data.json
index b6aaccb46..3ce30d38f 100644
--- a/conferences/2025/data.json
+++ b/conferences/2025/data.json
@@ -72,6 +72,19 @@
     "online": false,
     "locales": "EN"
   },
+  {
+    "name": "Open Confidential Computing Conference",
+    "url": "https://www.oc3.dev",
+    "startDate": "2025-03-27",
+    "endDate": "2025-03-27",
+    "city": "Berlin",
+    "country": "Germany",
+    "online": false,
+    "locales": "EN",
+    "cocUrl": "https://www.oc3.dev/code-of-conduct",
+    "cfpUrl": "https://www.oc3.dev/call-for-submissions",
+    "cfpEndDate": "2024-12-13"
+  },
   {
     "name": "Productivity Conf | Devs & Tech Leaders",
     "url": "https://productivityconf.com/developers",
diff --git a/conferences/2025/networking.json b/conferences/2025/networking.json
index 5d74a27e4..7a0cc8829 100644
--- a/conferences/2025/networking.json
+++ b/conferences/2025/networking.json
@@ -35,6 +35,19 @@
     "cfpEndDate": "2024-11-10",
     "twitter": "@ruhrsec"
   },
+  {
+    "name": "Open Confidential Computing Conference",
+    "url": "https://www.oc3.dev",
+    "startDate": "2025-03-27",
+    "endDate": "2025-03-27",
+    "city": "Berlin",
+    "country": "Germany",
+    "online": false,
+    "locales": "EN",
+    "cocUrl": "https://www.oc3.dev/code-of-conduct",
+    "cfpUrl": "https://www.oc3.dev/call-for-submissions",
+    "cfpEndDate": "2024-12-13"
+  },
   {
     "name": "11th Data Management ThinkLab",
     "url": "https://thinklinkers.com/events/workshops/data_management_conference_event_europe_2025",
diff --git a/conferences/2025/security.json b/conferences/2025/security.json
index 7916f05ed..53c1521ef 100644
--- a/conferences/2025/security.json
+++ b/conferences/2025/security.json
@@ -59,6 +59,19 @@
     "cfpUrl": "https://www.cambridgewireless.co.uk/event-calendar/conferences/cwic/call-for-speakers.html",
     "cfpEndDate": "2024-11-19"
   },
+  {
+    "name": "Open Confidential Computing Conference",
+    "url": "https://www.oc3.dev",
+    "startDate": "2025-03-27",
+    "endDate": "2025-03-27",
+    "city": "Berlin",
+    "country": "Germany",
+    "online": false,
+    "locales": "EN",
+    "cocUrl": "https://www.oc3.dev/code-of-conduct",
+    "cfpUrl": "https://www.oc3.dev/call-for-submissions",
+    "cfpEndDate": "2024-12-13"
+  },
   {
     "name": "Into The Box",
     "url": "https://www.intothebox.org",