Cybersecurity · head to head
Infisical vs Microsoft Sentinel
Infisical
Cybersecurity
Security infrastructure for developers and AI agents
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Infisical free tier limited to 5 identities, suitable only for small teams or evaluation; Microsoft Sentinel billing is driven by the volume of log data ingested per day, so cost scales with log noise rather than with users or protected assets
- They diverge on capability: Infisical covers Secrets management, Microsoft Sentinel covers AI-powered analytics.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Infisical and Microsoft Sentinel actually diverge.
| Attribute | Infisical | Microsoft Sentinel |
|---|---|---|
| Pricing model | Unknown | usage-based |
| Platforms | Web, CLI, Cloud, Self-Hosted | Web, Api |
| Founded | Unknown | 1975 |
Identical on both: starting price (Free), free tier (Yes), 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 Infisical
- Secrets management
- Certificate management
- Privileged access management
- Secret versioning
- Dynamic secrets
- SAML SSO
- Open-source core
- Secrets scanning
Only in Microsoft Sentinel
- AI-powered analytics
- Fusion detection
- UEBA
- Automated response playbooks
- Threat intelligence
- Hunting queries
- Workbooks
- Incident management
What people use each for
The jobs each tool is most often brought in to do.
Infisical
- Managing secrets across Kubernetes clustersnot Microsoft Sentinel
- Automating certificate lifecycle for internal PKInot Microsoft Sentinel
- Providing privileged database access with audit trailsnot Microsoft Sentinel
- Securing credentials for AI agents at runtimenot Microsoft Sentinel
Microsoft Sentinel
- Cloud-based security information and event management (SIEM)not Infisical
- Extended detection and response (XDR) across enterprise infrastructurenot Infisical
- Data ingestion and long-term security analyticsnot Infisical
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Infisical
- Free tier limited to 5 identities, suitable only for small teams or evaluation
- Pricing tiers are per-identity, which scales costs with team size
- Certificate management requires Enterprise plan for advanced features like wildcards
- Privileged access tier is separate billing from secrets management
Microsoft Sentinel
- Billing is driven by the volume of log data ingested per day, so cost scales with log noise rather than with users or protected assets
- Commitment tier discounts require reserving daily ingestion capacity in advance, and a tier cannot be downgraded until 31 days have passed
- Commitment tiers start at 100 GB per day, above what smaller estates ingest
- Charges for Log Analytics, Logic Apps and Machine Learning are billed separately on top of Sentinel itself
- The free allowance is only up to 5 MB per user per day for selected Microsoft 365 security logs
- Promotional commitment pricing is time limited and locks in only until a stated end date
Pricing, plan by plan
Infisical
Free- FreeFree
- 5 identities
- Unlimited projects
- 3 environments
- Pro - Secrets$20/month
- Per-identity pricing
- Unlimited identities
- SAML SSO
- Pro - Secrets (Annual)$20/year
- Annual discount available
- Unlimited identities
- SAML SSO
- Advanced - Secrets$40/month
- Per-identity pricing
- Dynamic secrets
- Gateways
Microsoft Sentinel
Free- Pay-As-You-Go$2.46/day
- Per GB ingested
- 90-day retention
- First 31 days free for new workspaces
- Commitment TiersFree
- 100GB to 50TB tiers
- Up to 65% discount
- Predictable billing
- Microsoft 365 E5Free
- Free data ingestion for M365 logs
- Bundled with E5 license
Which should you pick?
Choose Infisical if
- You need secrets management.
- You want to start without paying.
- You work on Web, CLI, Cloud, Self-Hosted.
- You also want certificate management.
Choose Microsoft Sentinel if
- You need ai-powered analytics.
- You want to start without paying.
- You work on Web, Api.
- You also want fusion detection.
Questions people ask
- Is Infisical or Microsoft Sentinel better?
- Neither clearly leads. Infisical starts at Free and Microsoft Sentinel at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Infisical or Microsoft Sentinel?
- Infisical starts at Free and Microsoft Sentinel at Free.
- Does Infisical or Microsoft Sentinel run on more platforms?
- Infisical runs on Web, CLI, Cloud, Self-Hosted. Microsoft Sentinel runs on Web, Api.
- Can I use Infisical for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Infisical best used for?
- Infisical is most often used for managing secrets across kubernetes clusters, automating certificate lifecycle for internal pki, providing privileged database access with audit trails, securing credentials for ai agents at runtime. Of those, managing secrets across kubernetes clusters and automating certificate lifecycle for internal pki are not what Microsoft Sentinel is typically brought in for.
- What can Infisical do that Microsoft Sentinel cannot?
- Infisical covers Secrets management, Certificate management, Privileged access management, Secret versioning. Microsoft Sentinel covers AI-powered analytics, Fusion detection, UEBA, Automated response playbooks.
Answered from the vendors’ own pages
Infisical: How is pricing calculated for Secrets Management?
Pricing is per-identity per month. Free tier includes 5 identities. Pro tier is $20/identity/month, Advanced is $40/identity/month. All pricing in USD.
SourceMicrosoft Sentinel: How is Microsoft Sentinel pricing calculated?
Microsoft Sentinel uses a pay-as-you-go usage-based model where you pay only for data ingested, stored, and consumed. Flexible commitment tiers are available to reduce total cost of ownership, with specific rates not published on the public pricing page. Source: https://www.microsoft.com/security/business/siem-and-xdr/microsoft-sentinel/
SourceInfisical: Can I self-host Infisical?
Yes, Infisical's core is open-source under the MIT license and can be self-hosted. The managed cloud service is also available with additional features.
SourceMicrosoft Sentinel: Does Microsoft Sentinel require an Azure subscription?
Yes, Microsoft Sentinel requires a Microsoft Azure subscription to operate. Pricing is handled through Azure and varies based on data consumption and the commitment tier you select. Source: https://www.microsoft.com/security/business/siem-and-xdr/microsoft-sentinel/
SourceInfisical: What is included in the Enterprise plan?
Enterprise plan includes SCIM, LDAP, approval workflows, external KMS/HSM support, and 99.99% SLA. Pricing is custom and determined by annual commitment.
SourceRelated pages
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