The 'Security Theater' Trap: Why Your 30-Second AI Code Scan Is Giving You a False Sense of Safety (opens in new tab)

Your AI assistant just wrote 200 lines of authentication middleware. It looks clean. It passes the linter. The tests are green. You're about to hit commit when you remember: this code came from a model trained on internet repositories, and you never actually read half of it. Now you're staring at the diff, wondering if you should actually review it line by line — or just trust the AI that wrote it. That's 45 minutes you don't have. A post on Qiita — Japan's largest developer community — tackl...