Cosign vs tfsec: Which Should You Choose in 2026?
Choosing between Cosign and tfsec comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Cosign
Code signing and transparency for containers and binaries using Sigstore.
Best for you if:
- • You need version control features specifically
- • Simplifies code signing for containers and binaries.
- • Utilizes Sigstore's keyless signing and transparency logs.
tfsec
Security scanner for your Terraform code.
Best for you if:
- • You want the higher-rated option (7.3/10 vs 0.0/10)
- • You need ci/cd features specifically
- • Scans Terraform code for security vulnerabilities.
- • Identifies misconfigurations before deployment.
| At a Glance |  Cosign |  tfsec |
|---|---|---|
Price | Free | Free |
Best For | Version Control | CI/CD |
Rating | —/100 | 73/100 |
| Feature | Cosign | tfsec |
|---|---|---|
| Pricing Model | Free | Free |
| Editorial Score | — | 73 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Version ControlCI/CD | CI/CDInfrastructure as Code |
How Cosign and tfsec Compare
Cosign
Code signing and transparency for containers and binaries using Sigstore.
Free
tfsec
Security scanner for your Terraform code.
Free · 73/100 score
Cosign is a version control tool. tfsec is in ci/cd.
Who Should Use What?
On a budget?
Both are free. Compare plans on their websites.
Go with: Cosign
Want the highest-rated option?
tfsec scores 73/100. Cosign is unrated.
Go with: tfsec
Value user reviews?
Neither has user reviews yet.
Go with: tfsec
3 Questions to Help You Decide
What's your budget?
Both are free. Pricing won't help you decide here.
What's your use case?
Cosign is a version control tool. tfsec is in ci/cd. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
tfsec
- Higher score: 73/100 vs unrated
- Completely free
- Our pick for this comparison
Cosign
- Better fit for version control
The Bottom Line
tfsec (73/100) is our pick.
Frequently Asked Questions
Is Cosign or tfsec better?
tfsec scores 73/100 in our evaluation. Both are free.
What are Cosign and tfsec used for?
Cosign: Code signing and transparency for containers and binaries using Sigstore.. tfsec: Security scanner for your Terraform code..
What does Cosign cost vs tfsec?
Cosign is completely free. tfsec is completely free. Visit their websites for detailed pricing.