Silverfort vs Astrix Security
In short: Silverfort scores 8.35 and Astrix Security scores 7.30 in the register. Silverfort leads on 4 of the seven areas, Astrix Security leads on 2, and they tie on 1. Silverfort documents 6 of the 24 controls in full and Astrix Security documents 6. The matrix below shows each one with its source.
How do the area scores differ?
| Area | Weight | Silverfort | Astrix Security | Difference |
|---|---|---|---|---|
| A1 Inventory and discovery | 15 | 9 | 10 | -1 |
| A2 Ownership and accountability | 20 | 9 | 9 | 0 |
| A3 Policy authoring and enforcement | 20 | 8 | 7 | +1 |
| A4 Human approval and escalation | 15 | 9 | 3 | +6 |
| A5 Audit evidence | 15 | 9 | 8 | +1 |
| A6 Lifecycle and revocation | 10 | 6 | 7 | -1 |
| A7 Buying clarity | 5 | 6 | 5 | +1 |
| Weighted total | 100 | 8.35 | 7.30 | 1.05 |
Which controls does each one document?
| Control | Silverfort | Astrix Security |
|---|---|---|
| GOV-01 Agent inventory | documented | documented |
| GOV-02 Named accountable owner | documented | documented |
| GOV-03 Documented purpose | not found in public material | not found in public material |
| GOV-04 Least privilege at creation | not found in public material | documented |
| GOV-05 Short-lived credentials | partly documented | documented |
| GOV-06 Per-action policy | documented | documented |
| GOV-07 Human approval for high-risk actions | documented | not found in public material |
| GOV-08 No self-approval | not found in public material | not found in public material |
| GOV-09 Policy testing before go-live | not found in public material | not found in public material |
| GOV-10 Tool allow-listing and hiding | not found in public material | not found in public material |
| GOV-11 Revocation and kill switch | not found in public material | not found in public material |
| GOV-12 Decommission at task end | not found in public material | not found in public material |
| GOV-13 Per-action audit log tied to a person | documented | partly documented |
| GOV-14 SIEM export | not found in public material | not found in public material |
| GOV-15 Periodic access review | not found in public material | not found in public material |
| GOV-16 Shadow agent detection | documented | documented |
| GOV-17 MCP server registry | partly documented | partly documented |
| GOV-18 Delegation bounded by the person's permissions | not found in public material | not found in public material |
| GOV-19 Agent incident response | not found in public material | partly documented |
| GOV-20 Change management for agent permissions | not found in public material | not found in public material |
| GOV-21 Third-party agent onboarding | not found in public material | not found in public material |
| GOV-22 Data access boundaries | not found in public material | not found in public material |
| GOV-23 Evidence retention | not found in public material | not found in public material |
| GOV-24 Board reporting | not found in public material | not found in public material |
Sources for every mark are on the Silverfort and Astrix Security profiles.
What is the verdict?
Silverfort scores higher overall, 8.35 against 7.30. The widest gap is approval, where Silverfort scores 9 and Astrix Security scores 3. That gap decides most of the difference in the total.
Should you pick Silverfort or Astrix Security?
Pick Silverfort if human approval before risky actions matters most to you. Silverfort scores 9 on approval against 3 for Astrix Security. It requires approvals before sensitive tool actions.
Pick Astrix Security if finding every agent, including unregistered ones, matters most to you. Astrix Security scores 10 on inventory against 9 for Silverfort. It uses four discovery methods to find agents across every layer.
Frequently asked questions
- 5.1 Which is better for AI agent governance, Silverfort or Astrix Security?
- Silverfort scores higher in the register, 8.35 against 7.30. The better choice depends on your need: pick Astrix Security if finding every agent, including unregistered ones, matters most to you.
- 5.2 Do Silverfort and Astrix Security document human approval?
- Silverfort scores 9 on approval and Astrix Security scores 3. It requires approvals before sensitive tool actions. Human approval was not found, and unrecognised activity is flagged instead.
- 5.3 Do Silverfort and Astrix Security work alongside an identity provider?
- Silverfort: Yes in practice. Silverfort discovers agents across identity providers such as Entra ID and Okta through read-only APIs, so it reads from the provider you run. Astrix Security: Not stated in the material we read.
Reviewed by The Register desk