diff --git a/booleans-mls.conf b/booleans-mls.conf
index c264bb2d..fb86f905 100644
--- a/booleans-mls.conf
+++ b/booleans-mls.conf
@@ -1,3 +1,6 @@
+# Turn off the ability for one process to read/modify another processes memory
+deny_ptrace = true
+
 # Allow making anonymous memory executable, e.g.for runtime-code generation or executable stack.
 # 
 allow_execmem = false
diff --git a/booleans-targeted.conf b/booleans-targeted.conf
index 2f5bc2e9..071bc80a 100644
--- a/booleans-targeted.conf
+++ b/booleans-targeted.conf
@@ -1,5 +1,7 @@
+# Turn off the ability for one process to read/modify another processes memory
+deny_ptrace = true
+
 # Allow making anonymous memory executable, e.g.for runtime-code generation or executable stack.
-# 
 deny_execmem = false
 allow_execmem = true