GreyNoise
Threat intelligence software
System security software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
Take the quiz to check if GreyNoise and its alternatives fit your requirements.
$9,999/year per year
Free TrialFree version
Small
Medium
Large
- Information technology and software
- Energy and utilities
- Public sector and nonprofit organizations
What is GreyNoise
GreyNoise is a threat intelligence platform focused on Internet-wide scanning and background noise analysis to help security teams triage alerts involving IP addresses. It classifies IPs and activity as benign, suspicious, or malicious and provides context such as observed scan behavior, tags, and timelines. Typical users include SOC analysts, incident responders, and threat intelligence teams who need to reduce time spent investigating commodity scanning and opportunistic probing. The product differentiates through its emphasis on distinguishing routine Internet noise from targeted activity using large-scale sensor observations and enrichment.
Internet noise triage focus
GreyNoise is purpose-built to help analysts quickly determine whether an IP is associated with common scanning and opportunistic activity versus targeted behavior. This supports faster alert triage and can reduce time spent on low-signal investigations. The platform’s tagging and classification model is oriented around operational decision-making (e.g., deprioritize known background scanners). This focus is distinct from broader digital risk monitoring tools that emphasize brand, social, or surface-web content signals.
Actionable IP context enrichment
The platform provides enrichment for IPs, including observed behaviors, tags, and temporal context that can be used during investigations. This enrichment is commonly used to add context to SIEM/SOAR workflows and case management. It helps analysts move from a raw indicator to a more informed assessment without manual research across multiple sources. The emphasis is on IP-centric intelligence rather than narrative reporting.
Integrations and API-driven usage
GreyNoise supports API-based lookups and integrations that fit common security operations workflows. This enables automated enrichment of alerts and correlation with internal telemetry. API access also supports custom tooling for threat hunting and incident response. For teams that operationalize intelligence, this can be more practical than intelligence delivered primarily as reports or dashboards.
Narrower scope than broad TI
GreyNoise is strongest for IP reputation and scanning/noise classification, but it is not a complete replacement for broader threat intelligence programs. Organizations needing extensive coverage of domains, malware families, threat actor reporting, or brand/digital risk signals may need additional sources. Its value is highest when the investigation starts with an IP or network indicator. Teams looking for comprehensive strategic intelligence may find the scope limited.
Coverage varies by visibility
The usefulness of classifications depends on what GreyNoise sensors observe across the Internet. Some regions, networks, or niche infrastructure may have less visibility, which can reduce confidence or result in limited context for certain IPs. As with any external observation-based dataset, there can be gaps for newly active infrastructure or low-volume activity. Analysts may still need corroboration from internal logs and other intelligence sources.
Requires workflow tuning
To realize time savings, teams typically need to tune how GreyNoise results influence alerting, prioritization, and automation. Over-reliance on “noise” labels without local context can create risk if an environment has unique exposure or targeted activity overlaps with common scanning patterns. Effective use often involves defining thresholds, exceptions, and escalation rules. Smaller teams without automation capacity may not capture the full benefit.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Community (Free) | $0 | Free Community account — access to Visualizer and Community API; limited metadata; 50 searches per week (combined Community API + Visualizer). |
| GreyNoise Block — Team | $9,999/year (annual) OR $999/month (monthly) | Real-time configurable/downloadable blocklists for organizations <2,500 employees; pre-built templates; integrates with firewalls/SOAR/TIP. 14-day free trial available. |
| GreyNoise Block — Enterprise/Platform | Custom pricing (contact sales) | For organizations >2,500 employees and MSSPs: full GreyNoise dataset, finer-grained blocklists, platform integrations; Request demo / Request quote. |
| Other enterprise products (e.g., Vulnerability Prioritization, Enterprise APIs) | Custom pricing (contact sales) | Docs indicate pricing by contacting sales / request demo; enterprise trials or demos available by request. |
Seller details
GreyNoise Intelligence Inc.
Washington, DC, USA
2017
Private
https://www.greynoise.io/
https://x.com/GreyNoiseIO
https://www.linkedin.com/company/greynoise/
