diff --git a/support-portal-backend/src/main/java/net/shyshkin/study/fullstack/supportportal/backend/constant/SecurityConstants.java b/support-portal-backend/src/main/java/net/shyshkin/study/fullstack/supportportal/backend/constant/SecurityConstants.java
new file mode 100644
index 0000000..7b1a2f2
--- /dev/null
+++ b/support-portal-backend/src/main/java/net/shyshkin/study/fullstack/supportportal/backend/constant/SecurityConstants.java
@@ -0,0 +1,15 @@
+package net.shyshkin.study.fullstack.supportportal.backend.constant;
+
+public class SecurityConstants {
+    public static final long EXPIRATION_TIME = 432_000_000; // 5 days expressed in milliseconds
+    public static final String TOKEN_PREFIX = "Bearer ";
+    public static final String JWT_TOKEN_HEADER = "Jwt-Token";
+    public static final String TOKEN_CANNOT_BE_VERIFIED = "Token cannot be verified";
+    public static final String GET_ARRAYS_LLC = "Get Arrays, LLC";
+    public static final String GET_ARRAYS_ADMINISTRATION = "User Management Portal";
+    public static final String AUTHORITIES = "authorities";
+    public static final String FORBIDDEN_MESSAGE = "You need to log in to access this page";
+    public static final String ACCESS_DENIED_MESSAGE = "You do not have permission to access this page";
+    public static final String OPTIONS_HTTP_METHOD = "OPTIONS";
+    public static final String[] PUBLIC_URLS = { "/user/login", "/user/register", "/user/image/**" };
+}