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Cybersecurity · head to head

Cisco Duo vs Legit Security

Cisco Duo logo

Cisco Duo

Cybersecurity

Trusted access for all users, all devices

From
Free
Rated
-
Full reviewWebsite
Legit Security logo

Legit Security

Cybersecurity

AI-native ASPM platform securing AI-generated code before deployment

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Cisco Duo has a free tier, so it costs nothing to try first.
  • Each has a real cost: Cisco Duo free tier limited to 10 users maximum; Legit Security pricing requires contacting sales, making cost comparison difficult
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Cisco Duo and Legit Security actually diverge.

Attributes where Cisco Duo and Legit Security differ
AttributeCisco DuoLegit Security
Starting priceFreeOn request
Pricing modelsubscriptionContact sales for custom pricing
Free tierYesNo
PlatformsWebWeb, IDE, CI/CD

Identical on both: user rating (Not yet rated), category (Cybersecurity).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Cisco Duo

Nothing recorded that Legit Security does not also cover.

Only in Legit Security

  • VibeGuard AI code scanning
  • Unified vulnerability remediation
  • Code Security (SAST/SCA)
  • Secrets detection and prevention
  • Software Supply Chain Security
  • Code change detection
  • AI-powered remediation
  • Risk scoring

What people use each for

The jobs each tool is most often brought in to do.

Cisco Duo

  • Eliminating phishing with passwordless authnot Legit Security
  • Implementing zero trust with device trustnot Legit Security
  • Protecting sessions from hijacking and theftnot Legit Security
  • Managing compliance for regulated industriesnot Legit Security

Legit Security

  • Securing AI-generated code from GitHub Copilot and IDE assistantsnot Cisco Duo
  • Consolidating vulnerability findings from multiple AppSec toolsnot Cisco Duo
  • Preventing credential leaks across development workspacesnot Cisco Duo
  • Automating remediation workflows with AI-powered suggestionsnot Cisco Duo
  • Compliance automation with SBOM generation and enforcementnot Cisco Duo

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Cisco Duo

  • Free tier limited to 10 users maximum
  • Licenses must be purchased in 10-user increments (under 100 users) or 25-user increments (100+ users)
  • Pricing is per-user per-month with minimum purchase increments

Legit Security

  • Pricing requires contacting sales, making cost comparison difficult
  • No published pricing tiers or free tier available
  • Requires integration with existing SAST and SCA tools for full capability
  • Focused primarily on code security within development lifecycle
  • Newer entrant with less market presence than established competitors

Pricing, plan by plan

Cisco Duo

Free
  • FreeFree
    • Multi-factor authentication (MFA)
    • Seamless integrations
    • Authenticator app
  • Essentials$3/month
    • All Free features
    • Duo Directory
    • Phishing-resistant MFA
  • Advantage$6/month
    • All Essentials features
    • Identity intelligence
    • Cisco Identity Intelligence (ISPM, ITDR)
  • Premier$9/month
    • All Advantage features
    • Complete device trust
    • VPN-less remote access

Legit Security

On request

No published plan breakdown. See the Legit Security review.

Which should you pick?

Choose Cisco Duo if

  • You want to start without paying.
Cisco Duo review

Choose Legit Security if

  • You need vibeguard ai code scanning.
  • You work on Web, IDE, CI/CD.
  • You also want unified vulnerability remediation.
Legit Security review

Questions people ask

Is Cisco Duo or Legit Security better?
Neither clearly leads. Cisco Duo starts at Free and Legit Security at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cisco Duo or Legit Security?
Cisco Duo has a free tier; the other does not. Paid plans start at Free for Cisco Duo and On request for Legit Security.
Does Cisco Duo or Legit Security run on more platforms?
Cisco Duo runs on Web. Legit Security runs on Web, IDE, CI/CD.
Can I use Cisco Duo for free?
Yes. Cisco Duo has a free tier, so you can try it without paying. Legit Security starts at On request.
What is Cisco Duo best used for?
Cisco Duo is most often used for eliminating phishing with passwordless auth, implementing zero trust with device trust, protecting sessions from hijacking and theft, managing compliance for regulated industries. Of those, eliminating phishing with passwordless auth and implementing zero trust with device trust are not what Legit Security is typically brought in for.
What can Cisco Duo do that Legit Security cannot?
Legit Security covers VibeGuard AI code scanning, Unified vulnerability remediation, Code Security (SAST/SCA), Secrets detection and prevention.

Answered from the vendors’ own pages

Cisco Duo: How much does Cisco Duo cost?

Cisco Duo Free is $0/user/month (up to 10 users). Paid plans start at $3/user/month (Essentials), $6/user/month (Advantage), and $9/user/month (Premier). Billing is per-user per-month.

Source
Legit Security: What is VibeGuard and how does it work?

VibeGuard is Legit Security's core feature that scans AI-generated code directly within IDEs like GitHub Copilot and Cursor, identifying vulnerabilities before code leaves the developer's editor.

Source
Cisco Duo: Is Cisco Duo free to try?

Yes, Duo Free offers multi-factor authentication and seamless integrations at $0/user/month for up to 10 users.

Source
Legit Security: What AI code assistants does Legit Security support?

Legit Security integrates with GitHub Copilot, Cursor, and Claude to scan AI-generated code for vulnerabilities.

Source
Cisco Duo: What is the minimum purchase for Cisco Duo?

Organizations must buy licenses in 10-user increments for under 100 users, or 25-user increments for 100 or more users. Plans are modifiable at any time.

Source
Legit Security: How does Legit Security's AI remediation feature work?

The platform uses AI to suggest specific code fixes for identified vulnerabilities and can automatically create tickets in Jira with full context for developers to review and apply.

Source
Cisco Duo: What does the Advantage plan add over Essentials?

Advantage ($6/user/month) adds identity intelligence, Cisco Identity Intelligence (ISPM, ITDR), Duo Passport, session theft protection, Active Directory Defense, and risk-based authentication.

Source
Legit Security: Does Legit Security support compliance reporting?

Yes, Legit Security automates compliance automation with SBOM generation and can generate compliance reports for security and regulatory requirements.

Source
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