How Organizations Are Exposed to Iframe Injection Without Realizing It?

This article explains iframe injection attacks: how hidden or obfuscated iframes can be injected via vulnerable web applications, compromised third‑party scripts, or misconfigured Content Security Policies to steal credentials, perform payment skimming, redirect users, or deliver malware. It outlines why such attacks often go unnoticed (invisibility, no immediate functional impact, limited client‑side monitoring) and provides recommended mitigations including strong input validation, CSPs, VAPT, file integrity monitoring, and timely patching.