# Assetnote ASM vs Halo Security External Attack Surface Management: side-by-side comparison (2026) [Assetnote ASM](https://cybersectools.com/tools/assetnote-asm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Assetnote](https://cybersectools.com/companies/assetnote). [Halo Security External Attack Surface Management](https://cybersectools.com/tools/halo-security-external-attack-surface-management) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Halo Security](https://cybersectools.com/companies/halo-security). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Google Mandiant Attack Surface Management and 4 more. ## Side-by-side comparison | | Assetnote ASM | Halo Security External Attack Surface Management | |---|---|---| | Pricing model | Commercial | Commercial | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise | | Company | Assetnote | Halo Security | | Headquarters | – | – | ### Use cases and capabilities | | Assetnote ASM | Halo Security External Attack Surface Management | |---|---|---| | Security Scanning | Yes | – | | OWASP | – | Yes | ### Core features **Assetnote ASM** 10 features listed. Sign in on the page to see them. **Halo Security External Attack Surface Management** 10 features listed. Sign in on the page to see them. ### Integrations **Assetnote ASM** 2 integrations listed. Sign in on the page to see them. **Halo Security External Attack Surface Management** 16 integrations listed. Sign in on the page to see them. ## Assetnote ASM vs Halo Security External Attack Surface Management FAQ Common questions when comparing Assetnote ASM vs Halo Security External Attack Surface Management for external attack surface management. ### What is the difference between Assetnote ASM and Halo Security External Attack Surface Management? **Assetnote ASM**: External attack surface management platform with continuous asset discovery, built by Assetnote. **Halo Security External Attack Surface Management**: External attack surface management platform for asset discovery and monitoring, built by Halo Security. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Assetnote ASM and Halo Security External Attack Surface Management? **Assetnote ASM** is made by Assetnote founded in 2018-01-01T00:00:00.000Z. **Halo Security External Attack Surface Management** is made by Halo Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Assetnote ASM a good alternative to Halo Security External Attack Surface Management? Often, yes. Assetnote ASM and Halo Security External Attack Surface Management are both External Attack Surface Management products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Assetnote ASM vs Criminal IP Security Scanning Service](https://cybersectools.com/compare/assetnote-asm-vs-criminal-ip-security-scanning-service) - [Assetnote ASM vs CyCognito EASM Platform](https://cybersectools.com/compare/assetnote-asm-vs-cycognito-easm-platform) - [Assetnote ASM vs Attaxion](https://cybersectools.com/compare/assetnote-asm-vs-attaxion) - [Halo Security External Attack Surface Management vs Criminal IP Security Scanning Service](https://cybersectools.com/compare/criminal-ip-security-scanning-service-vs-halo-security-external-attack-surface-management) - [Halo Security External Attack Surface Management vs CyCognito EASM Platform](https://cybersectools.com/compare/cycognito-easm-platform-vs-halo-security-external-attack-surface-management) - [Halo Security External Attack Surface Management vs Attaxion](https://cybersectools.com/compare/attaxion-vs-halo-security-external-attack-surface-management) ## Alternatives to each - [See all Assetnote ASM alternatives](https://cybersectools.com/alternatives/assetnote-asm) - [See all Halo Security External Attack Surface Management alternatives](https://cybersectools.com/alternatives/halo-security-external-attack-surface-management) --- Source: https://cybersectools.com/compare/assetnote-asm-vs-halo-security-external-attack-surface-management For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/assetnote-asm.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Assetnote ASM and Halo Security External Attack Surface Management: 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