MFA Is Not Optional Anymore

Your team’s passwords will be stolen. What happens next is a choice.

Let’s be clear: a stolen password should not be a master key. Yet gaps in authentication coverage can still let a single compromised credential grant access to critical systems. Multi-factor authentication (MFA) isn’t a bonus feature anymore—it’s the baseline. But here’s the catch: not all MFA is created equal.

SMS codes? Better than nothing, but they’re vulnerable to interception and SIM-swapping. Push prompts? Convenient, but attackers can spam them until someone accidentally approves. The MFA prompt is not the finish line. It’s just the starting point.

The real question isn’t whether to use MFA. It’s which MFA to use where. Phishing-resistant methods like security keys and passkeys close gaps that SMS and basic push notifications leave wide open. They’re harder for attackers to exploit and often easier for users to manage.

Here’s what you can do right now:

• Enforce MFA on every account that can reach important systems. No exceptions.
• Start with admins and high-impact roles. They’re the juiciest targets.
• Prefer security keys or passkeys where supported. They’re both user-friendly and phishing-resistant.
• Treat SMS as a fallback, not the goal. Move up the security ladder.
• Review recovery and help-desk paths. Strong MFA loses value if recovery is a weak link.

I’ve seen IT teams turn on MFA only to discover older login paths or admin accounts were still unprotected. I’ve watched employees approve push prompts they didn’t initiate just to make the notification go away. And I’ve seen leaders celebrate an MFA rollout without checking if it actually covered the riskiest accounts.

Coverage before celebration. Method before convenience. Recovery as part of the control. These are the choices that turn MFA from a checkbox into a defense.