diff --git a/.bashrc b/.bashrc
index ac92be9..5322f6f 100644
--- a/.bashrc
+++ b/.bashrc
@@ -1,4 +1,5 @@
 #
+umask 077
 cd "${HOME}"
 #
 alias SYNC="sync; sync; sync"
diff --git a/.zshrc b/.zshrc
index 98e51fe..5583195 100644
--- a/.zshrc
+++ b/.zshrc
@@ -1,4 +1,5 @@
 #
+umask 077
 cd "$HOME"
 #
 alias "SYNC=sync;sync;sync"