VerdictIQ vs GreyNoise.
GreyNoise classifies internet background noise on IPs: benign scanners, malicious actors, common false positives. VerdictIQ scores domains with a deterministic behavioral signal taxonomy.
Last updated 2026-05-23. Based on publicly available documentation; verify current behavior with each vendor.
GreyNoise vs VerdictIQ, capability by capability.
Read this if you read nothing else. Cells reflect publicly documented behavior; no marketing adjectives.
| Feature | VerdictIQDeterministic decision engine | GreyNoiseInternet noise & IP classification |
|---|---|---|
| Primary strength | Domain behavioral signal scoring | IP classification from scanner telemetry |
| Best-fit scenarios | Destination-domain triage, SOAR gates on phishing | Source-IP noise filtering, alert routing |
| IOC coverage | Domains, IPs, CIDR, ASN, file hash | IPs |
| Scoring method | Deterministic 0–100 Multi-source behavioral signal fusion on domains | IP classification + behavior tags Benign / malicious / unknown from sensor telemetry |
| Reproducible output | Yes | Yes Telemetry-bound |
| Explainability | Named signals + evidence | Classification + behavior tags |
| Newly-activated detection | Signals fire on first DNS response | Not in scope IP noise focus |
| Pre-hoc verdict | Pre-hoc verdict | Post-hoc lookup |
| Live-data scoring | Recomputed live | Live sensor data |
| Behavioral analysis | DNS, crawl, relational | Scanner behavior |
| Campaign mapping | Relational clustering | IP noise only |
| AI analyst narrative | VerdictIQ AI | No |
| Decision verification | Bulk replay | No |
| Response shape | Single decision-grade JSON | Classification JSON |
| Bulk API | /enrich_bulk | Commercial tier |
| SOAR JSON | Native recommended_action | Yes, JSON API |
| MSSP / multi-tenant | Tenant-scoped API keys | Commercial tier |
| Headless API | Yes | Yes CLI and viz optional |
| Pricing | Free tier, usage-based | Free + commercial tiers |
| Bottom line | A behavioral verdict on the destination, with the action attached. | Noise classification on the source IP. |
Common questions.
Does VerdictIQ replace GreyNoise?
No. GreyNoise classifies internet noise on IPs; VerdictIQ scores domains. The two answer different questions in the same alert.
Can I use both inside the same SOAR playbook?
Yes. The common pattern is GreyNoise on source IPs and VerdictIQ on destination domains.
Does VerdictIQ classify scanners?
No. Scanner and noise classification is GreyNoise's purpose-built lane.
Does VerdictIQ cover IPs?
Yes. IPs, CIDR blocks and ASNs are all scored today, alongside domains. See the IP signal taxonomy. GreyNoise still owns scanner and benign-noise classification; VerdictIQ scores the reputation and infrastructure behind an address.
How does pricing compare?
Both have a free tier. GreyNoise commercial tiers are designed for noise filtering volume; VerdictIQ is usage-based per enrichment call.
Run VerdictIQ on the IOCs you already check with GreyNoise.
Free tier, no credit card. Compare the output against the tool you already trust.
All company and product names are trademarks of their respective owners. Comparisons are based on publicly available documentation as of 2026-05-23; verify current behavior with each vendor. VerdictIQ makes no endorsement or claim regarding third-party services.