Cybersecurity · head to head
Cisco Duo vs Splunk Enterprise Security
Splunk Enterprise Security
Cybersecurity
The platform for operational intelligence
- From
- On request
- Rated
- -
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; Splunk Enterprise Security splunk Enterprise Security is licensed separately from the Splunk platform, so a SIEM deployment needs both
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Cisco Duo and Splunk Enterprise Security actually diverge.
| Attribute | Cisco Duo | Splunk Enterprise Security |
|---|---|---|
| Starting price | Free | On request |
| Free tier | Yes | No |
| Platforms | Web | Web, Api |
| Founded | Unknown | 2003 |
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 Splunk Enterprise Security does not also cover.
Only in Splunk Enterprise Security
- Security monitoring
- Incident review
- Risk-based alerting
- Threat intelligence
- Investigation workbench
- MITRE ATT&CK mapping
- Automated response
- Compliance reporting
What people use each for
The jobs each tool is most often brought in to do.
Cisco Duo
- Eliminating phishing with passwordless authnot Splunk Enterprise Security
- Implementing zero trust with device trustnot Splunk Enterprise Security
- Protecting sessions from hijacking and theftnot Splunk Enterprise Security
- Managing compliance for regulated industriesnot Splunk Enterprise Security
Splunk Enterprise Security
- Running a security operations centre on Splunk indexed log datanot Cisco Duo
- Correlation searches, risk based alerting and incident investigationnot Cisco Duo
- Compliance reporting from pooled security telemetrynot 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
Splunk Enterprise Security
- Splunk Enterprise Security is licensed separately from the Splunk platform, so a SIEM deployment needs both
- Splunk publishes no rate for Enterprise Security and directs buyers to contact a pricing expert
- UEBA, SOAR and automated threat analysis require the Premier edition rather than Essentials
- The platform underneath can be billed by ingest volume, workload or activity, so the total cost depends on a pricing model chosen at contract time rather than a list price
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
Splunk Enterprise Security
On request- Workload PricingFree
- Pay per compute
- Flexible scaling
- All features
- Ingest PricingFree
- Pay per GB ingested
- Predictable costs
- All features
- Entity PricingFree
- Pay per monitored entity
- Security focused
- All features
Which should you pick?
Choose Splunk Enterprise Security if
- You need security monitoring.
- You work on Web, Api.
- You also want incident review.
Questions people ask
- Is Cisco Duo or Splunk Enterprise Security better?
- Neither clearly leads. Cisco Duo starts at Free and Splunk Enterprise 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 Splunk Enterprise Security?
- Cisco Duo has a free tier; the other does not. Paid plans start at Free for Cisco Duo and On request for Splunk Enterprise Security.
- Does Cisco Duo or Splunk Enterprise Security run on more platforms?
- Cisco Duo runs on Web. Splunk Enterprise Security runs on Web, Api.
- Can I use Cisco Duo for free?
- Yes. Cisco Duo has a free tier, so you can try it without paying. Splunk Enterprise 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 Splunk Enterprise Security is typically brought in for.
- What can Cisco Duo do that Splunk Enterprise Security cannot?
- Splunk Enterprise Security covers Security monitoring, Incident review, Risk-based alerting, Threat intelligence.
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.
SourceSplunk Enterprise Security: How much does Splunk Enterprise Security cost?
Splunk Enterprise Security pricing is not published. The product is available in Essentials Edition with threat detection, investigation, and response capabilities, and Premier Edition with UEBA, SOAR, and Automated Threat Analysis. Customers must contact Splunk sales for pricing quotes on either edition.
SourceCisco 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.
SourceSplunk Enterprise Security: What editions of Splunk Enterprise Security are available?
Splunk Enterprise Security offers Essentials Edition with threat detection, investigation, and response capabilities, and Premier Edition which adds UEBA (User and Entity Behavior Analytics), SOAR (Security Orchestration, Automation and Response), and Automated Threat Analysis.
SourceCisco 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.
SourceCisco 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.
SourceRelated pages
More on Splunk Enterprise Security
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