Cybersecurity · head to head
Chainguard vs Microsoft Sentinel
Chainguard
Cybersecurity
Secure-by-default open source software with hardened container images and libraries
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Chainguard containers Catalog at 19,000 USD/year expensive for teams under 10 people; 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: Chainguard covers Hardened container images, 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 Chainguard and Microsoft Sentinel actually diverge.
| Attribute | Chainguard | Microsoft Sentinel |
|---|---|---|
| Pricing model | Licensing by artifact type and team size | usage-based |
| Platforms | Cloud, Container, VM | 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 Chainguard
- Hardened container images
- CVE remediation SLA
- SLSA L2/L3 builds
- Sigstore signatures
- SBOM generation
- Language libraries
- VM images
- Artifact 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.
Chainguard
- Deploying hardened container images with minimal attack surfacenot Microsoft Sentinel
- Meeting supply chain security requirements for regulated industriesnot Microsoft Sentinel
- Reducing CVE exposure with contractual remediation guaranteesnot Microsoft Sentinel
- Building secure language packages with automatic backportsnot Microsoft Sentinel
- Verifying artifact provenance with Sigstore signaturesnot Microsoft Sentinel
Microsoft Sentinel
- Cloud-based security information and event management (SIEM)not Chainguard
- Extended detection and response (XDR) across enterprise infrastructurenot Chainguard
- Data ingestion and long-term security analyticsnot Chainguard
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Chainguard
- Containers Catalog at 19,000 USD/year expensive for teams under 10 people
- Per-image pricing for containers requires custom quotes with no transparency
- Free tier limited to 5 container images for testing
- Libraries pricing by ecosystem and developer count lacks transparent per-developer cost
- VM image catalog pricing opacity makes cost estimation difficult
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
Chainguard
Free- Free TierFree
- Five container images to test and deploy
- Containers Per-Image$undefined/custom
- Licensed by quantity and type
- Base images, application images, AI/ML images, FIPS variants
- Custom pricing per image
- Containers Catalog$19000/year
- For 10-person engineering teams
- 2,000+ container images
- Contractual CVE remediation SLAs
- Libraries Licensing$undefined/custom
- Licensed by ecosystem (Python, Java, JavaScript)
- Licensed by developer count
- Unlimited pulls with no metering
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 Chainguard if
- You need hardened container images.
- You want to start without paying.
- You work on Cloud, Container, VM.
- You also want cve remediation sla.
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 Chainguard or Microsoft Sentinel better?
- Neither clearly leads. Chainguard 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, Chainguard or Microsoft Sentinel?
- Chainguard starts at Free and Microsoft Sentinel at Free.
- Does Chainguard or Microsoft Sentinel run on more platforms?
- Chainguard runs on Cloud, Container, VM. Microsoft Sentinel runs on Web, Api.
- Can I use Chainguard for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Chainguard best used for?
- Chainguard is most often used for deploying hardened container images with minimal attack surface, meeting supply chain security requirements for regulated industries, reducing cve exposure with contractual remediation guarantees, building secure language packages with automatic backports. Of those, deploying hardened container images with minimal attack surface and meeting supply chain security requirements for regulated industries are not what Microsoft Sentinel is typically brought in for.
- What can Chainguard do that Microsoft Sentinel cannot?
- Chainguard covers Hardened container images, CVE remediation SLA, SLSA L2/L3 builds, Sigstore signatures. Microsoft Sentinel covers AI-powered analytics, Fusion detection, UEBA, Automated response playbooks.
Answered from the vendors’ own pages
Chainguard: How much is the Chainguard Containers Catalog?
The Containers Catalog is 19,000 USD per year for 10-person engineering teams, providing access to 2,000+ hardened container images.
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/
SourceChainguard: What SLAs does Chainguard offer?
Chainguard provides contractual CVE remediation SLAs: 7 days for critical vulnerabilities, 14 days for high/medium/low severity, all with priority support.
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/
SourceChainguard: Can I try Chainguard before purchasing?
Yes. The free tier includes five container images for testing and deployment, allowing hands-on evaluation.
SourceRelated pages
More on Microsoft Sentinel
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