Mirage2FA hit 4,500 US and EU companies over two years, and 48 percent of targeted email addresses were potentially compromised by abusing Microsoft 365 login flows. This isn't new—it's the proof that phishing-as-a-service scales faster than we patch. I've seen this pattern across Caribbean fintech operations: attackers weaponize legitimate authentication systems before we even detect them. The real issue? Most US security teams treat MFA as the finish line, not the starting line. In Latin America and the Caribbean, we learned early that zero-trust architecture and behavioral analytics on login events aren't luxuries—they're survival. If you're relying on MFA alone to protect your Microsoft 365 environment, you're already behind. The threat actors know your users will click, your MFA will pop, and they'll bypass it anyway. What's your detection strategy when attackers bypass your second factor? 🔐 #cybersecurity #infosec #fintech