# GreyNoise Block: Fully configurable, real-time blocklists vs Ninja Signal: side-by-side comparison (2026) [GreyNoise Block: Fully configurable, real-time blocklists](https://cybersectools.com/tools/greynoise-block-fully-configurable-real-time-blocklists) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [GreyNoise, Inc](https://cybersectools.com/companies/greynoise-inc). [Ninja Signal](https://cybersectools.com/tools/ninja-signal) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [Ninja Intelligence Ecosystem](https://cybersectools.com/companies/ninja-intelligence-ecosystem). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Threat Intelligence Platform Solutions for Business](https://cybersectools.com/shortlists/best-threat-intelligence-platforms) picks Recorded Future Threat Intelligence, Google Threat Intelligence, CrowdStrike Falcon Adversary Intelligence and 4 more. ## Side-by-side comparison | | GreyNoise Block: Fully configurable, real-time blocklists | Ninja Signal | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Threat Intel Platforms | Threat Intel Platforms | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | Startup | | Company | GreyNoise, Inc. | Ninja Intelligence Ecosystem | | Headquarters | – | – | ### Use cases and capabilities | | GreyNoise Block: Fully configurable, real-time blocklists | Ninja Signal | |---|---|---| | Botnet | Yes | – | | IP Address | Yes | – | | Cyber Threat Intelligence | Yes | Yes | | Threat Feed | – | Yes | | Threat Analysis | – | Yes | | Threat Research | – | Yes | | Threat Actors | – | Yes | | Security Research | – | Yes | | Alerting | – | Yes | | IOC | – | Yes | | Hunting | – | Yes | ### Core features **GreyNoise Block: Fully configurable, real-time blocklists** 10 features listed. Sign in on the page to see them. **Ninja Signal** 3 features listed. Sign in on the page to see them. ### Integrations **GreyNoise Block: Fully configurable, real-time blocklists** 50 integrations listed. Sign in on the page to see them. **Ninja Signal** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [GreyNoise Block: Fully configurable, real-time blocklists](https://cybersectools.com/tools/greynoise-block-fully-configurable-real-time-blocklists) fits if you are a small business or a mid-market company or an enterprise. - [Ninja Signal](https://cybersectools.com/tools/ninja-signal) fits if you are a startup. ## GreyNoise Block: Fully configurable, real-time blocklists vs Ninja Signal FAQ Common questions when comparing GreyNoise Block: Fully configurable, real-time blocklists vs Ninja Signal for threat intel platforms. ### What is the difference between GreyNoise Block: Fully configurable, real-time blocklists and Ninja Signal? **GreyNoise Block: Fully configurable, real-time blocklists**: Detects compromised assets via outbound traffic to GreyNoise sensors & malicious IPs. Built by GreyNoise, Inc. **Ninja Signal**: Enterprise real-time cyber threat intelligence platform. Built by Ninja Intelligence Ecosystem. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes GreyNoise Block: Fully configurable, real-time blocklists and Ninja Signal? **GreyNoise Block: Fully configurable, real-time blocklists** is made by GreyNoise, Inc. **Ninja Signal** is made by Ninja Intelligence Ecosystem. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is GreyNoise Block: Fully configurable, real-time blocklists a good alternative to Ninja Signal? Often, yes. GreyNoise Block: Fully configurable, real-time blocklists and Ninja Signal are both Threat Intel Platforms products, and both cover Cyber Threat Intelligence. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [GreyNoise Block: Fully configurable, real-time blocklists vs Nucleon Cyber AGTI Platform](https://cybersectools.com/compare/greynoise-block-fully-configurable-real-time-blocklists-vs-nucleon-cyber-agti-platform) - [GreyNoise Block: Fully configurable, real-time blocklists vs Cytellite Threat Intelligence](https://cybersectools.com/compare/cytellite-threat-intelligence-vs-greynoise-block-fully-configurable-real-time-blocklists) - [GreyNoise Block: Fully configurable, real-time blocklists vs Infrawatch Beta Access](https://cybersectools.com/compare/greynoise-block-fully-configurable-real-time-blocklists-vs-infrawatch-beta-access) - [Ninja Signal vs Nucleon Cyber AGTI Platform](https://cybersectools.com/compare/ninja-signal-vs-nucleon-cyber-agti-platform) - [Ninja Signal vs Cytellite Threat Intelligence](https://cybersectools.com/compare/cytellite-threat-intelligence-vs-ninja-signal) - [Ninja Signal vs Infrawatch Beta Access](https://cybersectools.com/compare/infrawatch-beta-access-vs-ninja-signal) ## Alternatives to each - [See all GreyNoise Block: Fully configurable, real-time blocklists alternatives](https://cybersectools.com/alternatives/greynoise-block-fully-configurable-real-time-blocklists) - [See all Ninja Signal alternatives](https://cybersectools.com/alternatives/ninja-signal) --- Source: https://cybersectools.com/compare/greynoise-block-fully-configurable-real-time-blocklists-vs-ninja-signal For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/greynoise-block-fully-configurable-real-time-blocklists.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on GreyNoise Block: Fully configurable, real-time blocklists and Ninja Signal: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md