# GreyNoise Block: Fully configurable, real-time blocklists vs Viettel Threat Intelligence (VCS-Threat Intelligence): 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). [Viettel Threat Intelligence (VCS-Threat Intelligence)](https://cybersectools.com/tools/viettel-threat-intelligence-vcs-threat-intelligence) is a commercial [threat intel platforms](https://cybersectools.com/categories/tip) solution by [Viettel Security](https://cybersectools.com/companies/viettel-security). 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 | Viettel Threat Intelligence (VCS-Threat Intelligence) | |---|---|---| | 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 | SMB, Mid-Market, Enterprise | | Company | GreyNoise, Inc. | Viettel Security | | Headquarters | – | – | ### Use cases and capabilities | | GreyNoise Block: Fully configurable, real-time blocklists | Viettel Threat Intelligence (VCS-Threat Intelligence) | |---|---|---| | Botnet | Yes | – | | IP Address | Yes | – | | Cyber Threat Intelligence | Yes | Yes | | APT | – | Yes | | Dark Web Monitoring | – | Yes | | Data Breach | – | Yes | | Vulnerability | – | Yes | ### Core features **GreyNoise Block: Fully configurable, real-time blocklists** 10 features listed. Sign in on the page to see them. **Viettel Threat Intelligence (VCS-Threat Intelligence)** 10 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. **Viettel Threat Intelligence (VCS-Threat Intelligence)** 3 integrations listed. Sign in on the page to see them. ## GreyNoise Block: Fully configurable, real-time blocklists vs Viettel Threat Intelligence (VCS-Threat Intelligence) FAQ Common questions when comparing GreyNoise Block: Fully configurable, real-time blocklists vs Viettel Threat Intelligence (VCS-Threat Intelligence) for threat intel platforms. ### What is the difference between GreyNoise Block: Fully configurable, real-time blocklists and Viettel Threat Intelligence (VCS-Threat Intelligence)? **GreyNoise Block: Fully configurable, real-time blocklists**: Detects compromised assets via outbound traffic to GreyNoise sensors & malicious IPs. Built by GreyNoise, Inc. **Viettel Threat Intelligence (VCS-Threat Intelligence)**: Threat intelligence service providing alerts, analysis, and support. Built by Viettel Security. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes GreyNoise Block: Fully configurable, real-time blocklists and Viettel Threat Intelligence (VCS-Threat Intelligence)? **GreyNoise Block: Fully configurable, real-time blocklists** is made by GreyNoise, Inc. **Viettel Threat Intelligence (VCS-Threat Intelligence)** is made by Viettel Security. 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 Viettel Threat Intelligence (VCS-Threat Intelligence)? Often, yes. GreyNoise Block: Fully configurable, real-time blocklists and Viettel Threat Intelligence (VCS-Threat Intelligence) 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 CatchProbe Orchestration Platform](https://cybersectools.com/compare/catchprobe-cyber-intelligence-orchestration-platform-vs-greynoise-block-fully-configurable-real-time-blocklists) - [GreyNoise Block: Fully configurable, real-time blocklists vs ZeroFox Intelligence Search](https://cybersectools.com/compare/greynoise-block-fully-configurable-real-time-blocklists-vs-zerofox-intelligence-search) - [GreyNoise Block: Fully configurable, real-time blocklists vs Resecurity Cyber Threat Intelligence](https://cybersectools.com/compare/greynoise-block-fully-configurable-real-time-blocklists-vs-resecurity-cyber-threat-intelligence) - [Viettel Threat Intelligence (VCS-Threat Intelligence) vs CatchProbe Orchestration Platform](https://cybersectools.com/compare/catchprobe-cyber-intelligence-orchestration-platform-vs-viettel-threat-intelligence-vcs-threat-intelligence) - [Viettel Threat Intelligence (VCS-Threat Intelligence) vs ZeroFox Intelligence Search](https://cybersectools.com/compare/viettel-threat-intelligence-vcs-threat-intelligence-vs-zerofox-intelligence-search) - [Viettel Threat Intelligence (VCS-Threat Intelligence) vs Resecurity Cyber Threat Intelligence](https://cybersectools.com/compare/resecurity-cyber-threat-intelligence-vs-viettel-threat-intelligence-vcs-threat-intelligence) ## 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 Viettel Threat Intelligence (VCS-Threat Intelligence) alternatives](https://cybersectools.com/alternatives/viettel-threat-intelligence-vcs-threat-intelligence) --- Source: https://cybersectools.com/compare/greynoise-block-fully-configurable-real-time-blocklists-vs-viettel-threat-intelligence-vcs-threat-intelligence 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 Viettel Threat Intelligence (VCS-Threat Intelligence): 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