MFA · Head-to-head
Duo Security vs RSA SecurID — modern vs legacy MFA
Duo is modern cloud-native MFA; RSA SecurID is the legacy enterprise incumbent.
Verdict
Duo Security is the modern cloud-native MFA standard. RSA SecurID is the legacy enterprise incumbent with deep on-prem deployment in regulated industries (financial services, federal). For greenfield or modernization decisions, Duo. For existing RSA install base with substantial token economics, the migration trigger is usually a refresh cycle, not a feature gap.
When Duo Security wins
- Modern cloud-native MFA
- Mobile-first / push-based auth
- Best-of-breed device posture
- Greenfield or modernization decision
When RSA SecurID wins
- Existing RSA SecurID install base with deep dependencies
- Federal / financial services with established compliance posture
- Hardware token preference
- Air-gapped / disconnected MFA scenarios
Capability matrix
| Capability | Duo Security | RSA SecurID | Note |
|---|---|---|---|
| Cloud-native architecture | ✓ | ~ | |
| Push-based auth | ✓ | ~ | |
| Phishing-resistant (WebAuthn) | ✓ | ~ | |
| Hardware tokens | ~ | ✓ | |
| Air-gapped / disconnected | ~ | ✓ | |
| Federal / financial install base | ~ | ✓ |
Pricing posture
Duo per-user/month. RSA per-token + maintenance. RSA TCO higher at refresh cycles.
Frequently asked
- Is RSA SecurID dead?
- No — still installed in many regulated environments. New deployments rare; refresh-cycle migrations common.
- Migration trigger?
- Usually token refresh cycle. Hardware token cost + cloud-native MFA value favor migration.
- Phishing-resistant RSA?
- RSA SecurID Access supports WebAuthn now. Less default than Duo / FastPass.
Vendor profiles