diff --git a/plugins/backup/backup.sh b/plugins/backup/backup.sh
new file mode 100755
index 00000000..492a9fed
--- /dev/null
+++ b/plugins/backup/backup.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Configuration directives, edit before first use.
+BACKUP_DIR=/path/to/your/backups
+# How old backups should be considered as non-yound anymore in [days].
+LIFETIME=2
+
+# The situation is critical if there are no young files, the backup is down.
+case $1 in
+   config)
+        cat <<'EOM'
+graph_title Number of young files at backup directory
+graph_vlabel number
+autobackup.label number
+autobackup.critical 1:
+EOM
+        exit 0;;
+esac
+
+printf "autobackup.value "
+find $BACKUP_DIR  -mtime -$LIFETIME | wc  -l
+