diff --git a/harden_osmo-hnbgw.service.patch b/harden_osmo-hnbgw.service.patch
new file mode 100644
index 0000000..d208bd2
--- /dev/null
+++ b/harden_osmo-hnbgw.service.patch
@@ -0,0 +1,22 @@
+Index: osmo-iuh-0.7.0/contrib/systemd/osmo-hnbgw.service
+===================================================================
+--- osmo-iuh-0.7.0.orig/contrib/systemd/osmo-hnbgw.service
++++ osmo-iuh-0.7.0/contrib/systemd/osmo-hnbgw.service
+@@ -2,6 +2,17 @@
+ Description=Osmocom Home Nodeb Gateway (OsmoHNBGW)
+ 
+ [Service]
++# added automatically, for details please see
++# https://en.opensuse.org/openSUSE:Security_Features#Systemd_hardening_effort
++ProtectSystem=full
++ProtectHome=true
++ProtectHostname=true
++ProtectKernelTunables=true
++ProtectKernelModules=true
++ProtectKernelLogs=true
++ProtectControlGroups=true
++RestrictRealtime=true
++# end of automatic additions 
+ Type=simple
+ Restart=always
+ ExecStart=/usr/bin/osmo-hnbgw -c /etc/osmocom/osmo-hnbgw.cfg
diff --git a/osmo-iuh.changes b/osmo-iuh.changes
index 4d4649b..4aeff2c 100644
--- a/osmo-iuh.changes
+++ b/osmo-iuh.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Oct 13 13:53:31 UTC 2021 - Johannes Segitz <jsegitz@suse.com>
+
+- Added hardening to systemd service(s) (bsc#1181400). Added patch(es):
+  * harden_osmo-hnbgw.service.patch
+
 -------------------------------------------------------------------
 Sun Mar 14 21:07:14 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/osmo-iuh.spec b/osmo-iuh.spec
index 3b05075..6f330e5 100644
--- a/osmo-iuh.spec
+++ b/osmo-iuh.spec
@@ -26,6 +26,7 @@ Group:          Hardware/Mobile
 URL:            https://osmocom.org/projects/osmohnbgw/wiki
 
 Source:         https://github.com/osmocom/osmo-iuh/archive/%version.tar.gz
+Patch0:	harden_osmo-hnbgw.service.patch
 BuildRequires:  automake >= 1.9
 BuildRequires:  libtool >= 2
 BuildRequires:  lksctp-tools-devel