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Duo Security vs Zscaler

An independent, side-by-side comparison of two Cybersecurity providers — scores, pricing, company-size fit, and strengths — to help you pick the right one.

Duo Security vs Zscaler at a glance

Editorial sub-scores are RankedVendors estimates.

Duo SecurityZscaler
Overall score74/10090/100
TierStandardElite
Capability (editorial)7592
Ease of use (editorial)7088
Value (editorial)7690
Best forSmall business, Mid-market, EnterpriseSmall business, Mid-market, Enterprise
Pricing modelQuote-basedQuote-based
Headquarters
Founded

Verdict

Zscaler is the higher-ranked of the two on RankedVendors (90/100 vs 74/100), but both are credible Cybersecurity options. Duo Security fits small business, mid-market, enterprise; Zscaler fits small business, mid-market, enterprise. Match the shortlist to your size and must-have features, and trial before committing.

Where each one stands out

Duo Security

Duo Security is multi-factor authentication by Cisco.

Best for: Small business, Mid-market, Enterprise

Read Duo Security review

Zscaler

Zscaler provides threat detection and protection across the attack surface.

Best for: Small business, Mid-market, Enterprise

Read Zscaler review

Duo Security vs Zscaler — FAQ

Is Duo Security better than Zscaler?

On RankedVendors, Zscaler scores 90/100 versus Duo Security's 74/100, so Zscaler ranks higher overall in Cybersecurity. The right choice still depends on your size, budget, and must-have features — see the breakdown above.

What is the difference between Duo Security and Zscaler?

Duo Security is multi-factor authentication by Cisco. Zscaler provides threat detection and protection across the attack surface. Both compete in Cybersecurity; compare their strengths and best-fit company sizes above.

Which is better value, Duo Security or Zscaler?

Our editorial value scores put Duo Security at 76/100 and Zscaler at 90/100. Duo Security is Quote-based; Zscaler is Quote-based. Request quotes from both to compare against your scale.