diff --git a/user_channel/passwd_mgr.cpp b/user_channel/passwd_mgr.cpp
index b2d32e8..63a226e 100644
--- a/user_channel/passwd_mgr.cpp
+++ b/user_channel/passwd_mgr.cpp
@@ -260,6 +260,8 @@
 
     // Update the timestamp
     fileLastUpdatedTime = getUpdatedFileTime();
+    // Clear sensitive data
+    OPENSSL_cleanse(dataBuf.data(), dataBuf.size());
     return;
 }