# Blackwired ThirdWatch vs GreyNoise Block: Fully configurable, real-time blocklists: side-by-side comparison (2026) [Blackwired ThirdWatch](https://cybersectools.com/tools/blackwired-thirdwatch) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [Blackwired](https://cybersectools.com/companies/blackwired). [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). 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 | | Blackwired ThirdWatch | GreyNoise Block: Fully configurable, real-time blocklists | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Threat Intel Platforms | Threat Intel Platforms | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Blackwired | GreyNoise, Inc. | | Headquarters | – | – | ### Use cases and capabilities | | Blackwired ThirdWatch | GreyNoise Block: Fully configurable, real-time blocklists | |---|---|---| | Visualization | Yes | – | | Zero Day | Yes | – | | Cyber Threat Intelligence | Yes | Yes | | Botnet | – | Yes | | IP Address | – | Yes | ### Core features **Blackwired ThirdWatch** 10 features listed. Sign in on the page to see them. **GreyNoise Block: Fully configurable, real-time blocklists** 10 features listed. Sign in on the page to see them. ### Integrations **Blackwired ThirdWatch** No integrations listed. **GreyNoise Block: Fully configurable, real-time blocklists** 50 integrations listed. Sign in on the page to see them. ## 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. ## Blackwired ThirdWatch vs GreyNoise Block: Fully configurable, real-time blocklists FAQ Common questions when comparing Blackwired ThirdWatch vs GreyNoise Block: Fully configurable, real-time blocklists for threat intel platforms. ### What is the difference between Blackwired ThirdWatch and GreyNoise Block: Fully configurable, real-time blocklists? **Blackwired ThirdWatch**: 3D cyber threat visualization platform for external threat monitoring. Built by Blackwired. **GreyNoise Block: Fully configurable, real-time blocklists**: Detects compromised assets via outbound traffic to GreyNoise sensors & malicious IPs. Built by GreyNoise, Inc. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Blackwired ThirdWatch and GreyNoise Block: Fully configurable, real-time blocklists? **Blackwired ThirdWatch** is made by Blackwired. **GreyNoise Block: Fully configurable, real-time blocklists** is made by GreyNoise, Inc. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Blackwired ThirdWatch a good alternative to GreyNoise Block: Fully configurable, real-time blocklists? Often, yes. Blackwired ThirdWatch and GreyNoise Block: Fully configurable, real-time blocklists 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 - [Blackwired ThirdWatch vs Check Point ThreatCloud AI](https://cybersectools.com/compare/blackwired-thirdwatch-vs-check-point-threatcloud-ai) - [Blackwired ThirdWatch vs Cyble Cyber Threat Intelligence Platform](https://cybersectools.com/compare/blackwired-thirdwatch-vs-cyble-cyber-threat-intelligence-platform) - [Blackwired ThirdWatch vs BreachX One](https://cybersectools.com/compare/blackwired-thirdwatch-vs-breachx-one) - [GreyNoise Block: Fully configurable, real-time blocklists vs Check Point ThreatCloud AI](https://cybersectools.com/compare/check-point-threatcloud-ai-vs-greynoise-block-fully-configurable-real-time-blocklists) - [GreyNoise Block: Fully configurable, real-time blocklists vs Cyble Cyber Threat Intelligence Platform](https://cybersectools.com/compare/cyble-cyber-threat-intelligence-platform-vs-greynoise-block-fully-configurable-real-time-blocklists) - [GreyNoise Block: Fully configurable, real-time blocklists vs BreachX One](https://cybersectools.com/compare/breachx-one-vs-greynoise-block-fully-configurable-real-time-blocklists) ## Alternatives to each - [See all Blackwired ThirdWatch alternatives](https://cybersectools.com/alternatives/blackwired-thirdwatch) - [See all GreyNoise Block: Fully configurable, real-time blocklists alternatives](https://cybersectools.com/alternatives/greynoise-block-fully-configurable-real-time-blocklists) --- Source: https://cybersectools.com/compare/blackwired-thirdwatch-vs-greynoise-block-fully-configurable-real-time-blocklists For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/blackwired-thirdwatch.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Blackwired ThirdWatch and GreyNoise Block: Fully configurable, real-time blocklists: 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