diff --git a/data/links.yml b/data/links.yml
index 88bc55d..d9efcf7 100644
--- a/data/links.yml
+++ b/data/links.yml
@@ -129,13 +129,37 @@
 
 # AUDIO/VIDEO
 
+- desc: '"No IT security without Free Software"'
+  type: av
+  date: 2019-07
+  links:
+    - href: https://download.fsfe.org/presentations/20190703-mm-SALT-ITSec.en.mp4
+      text: Talk @ Pass the SALT
+    - href: https://download.fsfe.org/presentations/20190703-mm-SALT-ITSec.en.pdf
+      text: Slides
+  tags:
+  - EN
+  - itsec
+
+- desc: '"IT Security? Free Software!"'
+  type: av
+  date: 2019-04
+  links:
+    - href: https://www.youtube.com/watch?v=DOv_5ZPcFZ8
+      text: Talk @ Grazer Linuxtage
+    - href: https://download.fsfe.org/presentations/20190427-mm-Graz-ITSec.de.pdf
+      text: Slides
+  tags:
+  - DE
+  - itsec
+
 - desc: '"Public Code with Free Software: Modernising Public Digital Infrastructure"'
   type: av
   date: 2018-09
   links:
     - href: https://www.youtube.com/watch?v=tEkCnCtoQ60
       text: Talk @ BalCCon
-    - href:
+    - href: https://download.fsfe.org/presentations/20180915-mm-BalCCon-PMPC.en.pdf
       text: Slides
   tags:
   - EN
@@ -147,7 +171,7 @@
   links:
     - href: https://www.drupaleurope.org/session/public-code-free-software-modernising-digital-public-infrastructure
       text: Talk @ DrupalEurope
-    - href:
+    - href: https://download.fsfe.org/presentations/20180911-mm-DrupalEurope-PMPC.en.pdf
       text: Slides
   tags:
   - EN
@@ -159,7 +183,7 @@
   links:
     - href: 
       text: Talk @ RMLL/LSM
-    - href:
+    - href: https://download.fsfe.org/presentations/20180707-mm-RMLL-PMPC.en.pdf
       text: Slides
   tags:
   - EN
@@ -171,8 +195,6 @@
   links:
     - href: 
       text: Talk @ German Armed Forces
-    - href: 
-      text: Slides
   tags:
   - DE
   - publiccode
@@ -183,7 +205,7 @@
   links:
     - href: https://www.youtube.com/watch?v=kQGw25xG_5c
       text: Keynote @ OW2Con
-    - href: 
+    - href: https://download.fsfe.org/presentations/20180607-mm-OW2Con-PMPC.en.pdf
       text: Slides
   tags:
   - EN
@@ -195,6 +217,8 @@
   links:
     - href: 
       text: Talk @ Legal and Licensing Workshop
+    - href: https://download.fsfe.org/presentations/20170427-mm-LLW-RadioLockdown_verbose.en.pdf
+      text: Slides
   tags:
   - EN
   - radio lockdown
@@ -205,6 +229,8 @@
   links:
     - href: https://chemnitzer.linux-tage.de/2017/en/programm/beitrag/266
       text: Talk @ Chemnitzer Linuxtage
+    - href: https://download.fsfe.org/presentations/20170311-mm-CLT-RadioLockdown.de.pdf
+      text: Slides
   tags:
   - DE
   - radio lockdown
@@ -215,7 +241,7 @@
   links:
     - href: https://archive.fosdem.org/2017/schedule/event/radio_lockdown_directive/
       text: Talk @ FOSDEM
-    - href: 
+    - href: https://download.fsfe.org/presentations/20170204-mm-FOSDEM-Radiolockdown.en.pdf
       text: Slides
   tags:
   - EN
@@ -227,6 +253,8 @@
   links:
     - href: https://media.ccc.de/v/33c3-8024-routerzwang_und_funkabschottung
       text: Talk @ 33. Chaos Communication Congress
+    - href: https://download.fsfe.org/presentations/20161227-mm-33C3-Radio+Router.de.pdf
+      text: Slides
   tags:
   - EN
   - DE