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Cybersecurity · head to head

Cisco Duo vs Sophos Intercept X

Cisco Duo logo

Cisco Duo

Cybersecurity

Trusted access for all users, all devices

From
Free
Rated
-
Full reviewWebsite
Sophos Intercept X logo

Sophos Intercept X

Cybersecurity

Advanced endpoint protection with deep learning

From
$28/year
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; Sophos Intercept X sophos publishes no price for endpoint protection: the product page names editions but gives no per user rate, no minimum seat count and no contract length, and routes buyers to a sales enquiry
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Cisco Duo and Sophos Intercept X actually diverge.

Attributes where Cisco Duo and Sophos Intercept X differ
AttributeCisco DuoSophos Intercept X
Starting priceFree$28/year
Free tierYesNo
PlatformsWebDesktop, Mobile, Api
FoundedUnknown1985

Identical on both: pricing model (subscription), 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 Sophos Intercept X does not also cover.

Only in Sophos Intercept X

  • Deep learning AI
  • Anti-ransomware
  • Exploit prevention
  • CryptoGuard
  • WipeGuard
  • Root cause analysis
  • Active adversary mitigation
  • Synchronized security

What people use each for

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

Cisco Duo

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

Sophos Intercept X

  • Endpoint protection across Windows, macOS, and Linux devicesnot Cisco Duo
  • Ransomware detection with CryptoGuard file encryption monitoringnot Cisco Duo
  • AI-powered zero-day exploit mitigation with 60+ proprietary techniquesnot Cisco Duo
  • Shadow AI and generative AI tool usage control across the organizationnot Cisco Duo
  • Mobile device encryption and managed detection and response servicesnot 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

Sophos Intercept X

  • Sophos publishes no price for endpoint protection: the product page names editions but gives no per user rate, no minimum seat count and no contract length, and routes buyers to a sales enquiry
  • Extended detection and response requires the Advanced with XDR edition rather than the base endpoint product
  • 24x7 monitored detection and response is sold as the separate Sophos MDR service on top of the endpoint licence
  • The Intercept X name has been retired in favour of Sophos Endpoint, so older documentation refers to a brand the vendor no longer uses

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

Sophos Intercept X

$28/year
  • Intercept X Essentials$28/year
    • Per user
    • Deep learning
    • Anti-ransomware
  • Intercept X Advanced$44/year
    • All Essentials features
    • Root cause analysis
    • Sophos Central
  • Intercept X with XDR$55/year
    • All Advanced features
    • Extended detection
    • Live Discover

Which should you pick?

Choose Cisco Duo if

  • You want to start without paying.
Cisco Duo review

Choose Sophos Intercept X if

  • You need deep learning ai.
  • You work on Desktop, Mobile, Api.
  • You also want anti-ransomware.
Sophos Intercept X review

Questions people ask

Is Cisco Duo or Sophos Intercept X better?
Neither clearly leads. Cisco Duo starts at Free and Sophos Intercept X at $28/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cisco Duo or Sophos Intercept X?
Cisco Duo has a free tier; the other does not. Paid plans start at Free for Cisco Duo and $28/year for Sophos Intercept X.
Does Cisco Duo or Sophos Intercept X run on more platforms?
Cisco Duo runs on Web. Sophos Intercept X runs on Desktop, Mobile, Api.
Can I use Cisco Duo for free?
Yes. Cisco Duo has a free tier, so you can try it without paying. Sophos Intercept X starts at $28/year.
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 Sophos Intercept X is typically brought in for.
What can Cisco Duo do that Sophos Intercept X cannot?
Sophos Intercept X covers Deep learning AI, Anti-ransomware, Exploit prevention, CryptoGuard.

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
Sophos Intercept X: How much does Sophos Endpoint cost?

Sophos does not publish Endpoint pricing on its website. The vendor directs customers to contact sales or request a quote for pricing.

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
Sophos Intercept X: Does Sophos Endpoint offer a free trial?

Sophos provides a free 30-day trial of Sophos Endpoint for customers with an active Sophos Fusion account. Trial activation does not require payment information.

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
Sophos Intercept X: What support levels are available for Sophos Endpoint?

Sophos Fusion customers receive 8x5 support included with subscriptions. Extended support tiers and costs are not listed on the public website.

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
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