Most guides about QR code security focus on the wrong end of the problem. They tell end users to "check the URL before tapping" while the platforms generating those codes do almost nothing to screen what they produce. End-user vigilance is necessary but not sufficient. QR code security best practices for platforms start before a code is ever generated: validating destinations against threat feeds, enforcing HTTPS, auditing redirect chains, monitoring scan anomalies, and maintaining tamper-evident audit logs. These controls sit at the platform layer, not the scanner layer. That's what separates a trusted QR infrastructure from one that can be weaponized. TL;DR Platform-level security acts before a QR code is generated — not after a user scans something suspicious. The six core controls: URL validation, HTTPS enforcement, redirect chain auditing, scan anomaly monitoring, rate limiting, and audit logs.…