𝟱 𝗦𝗽𝗿𝗶𝗻𝗴 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗺𝗶𝘀𝘁𝗮𝗸𝗲𝘀

⚠️ 1. Storing JWT secrets in code
2. Not implementing refresh tokens
3. Forgetting CORS configuration
4. Using permitAll() incorrectly
5. No production security checklist