diff --git a/CMakeLists.txt b/CMakeLists.txt
index 83f6d51..2b5f1b4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,10 @@
 cmake_minimum_required (VERSION 2.6)
 project (libcbag)
+
+# add default CFLAGS
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fstack-protector-strong -Wformat -Werror=format-security")
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,relro -fPIE")
+
 add_subdirectory(src)
 # TESTS
 add_subdirectory(test)