# Halo Security Attack Surface Discovery

Halo Security Attack Surface Discovery is an External Attack Surface Management product by Halo Security. It runs in the cloud. Pricing is commercial (contact sales).

Discovers and inventories internet-facing assets including subdomains, IPs, and apps.

Listed January 2026.

## What is Halo Security Attack Surface Discovery?

Halo Security Attack Surface Discovery is an external attack surface management tool that automatically discovers and catalogs internet-facing assets. The platform identifies subdomains, hosts, alive IPs, and connected domains using hacker-driven discovery techniques, web crawling, and internet data sources.

The tool performs network and port scanning to identify accessible IPs and ports on the internet. It discovers connected domains associated with an organization, including subsidiary assets and those from mergers and acquisitions, assigning a connected score to indicate likelihood of ownership. The platform identifies shadow infrastructure - unnoticed assets that should not be online.

Discovery runs regularly to identify new hosts, websites, IPs, and domains. An event tracking system allows auditing of past changes and configuration of real-time alerts via email, Slack, or ticketing tools. The solution operates agentlessly from an external perspective, requiring no installation or configuration.

The platform provides an intuitive dashboard for viewing and filtering asset data. Optional integrations with cloud providers like AWS, GCP, and Cloudflare enable automatic asset detail retrieval from source systems.

Tags: Network Scanning, Port Scanning, Subdomain Enumeration

## Where it fits in your security program (NIST CSF 2.0)

- [Identify](https://cybersectools.com/guides/building-identify-program-small-team): helps you know your assets and your risks.

## Quick facts

- Category: [Exposure & Vulnerability Management](https://cybersectools.com/categories/exposure-vulnerability-management) · [External Attack Surface Management](https://cybersectools.com/categories/external-asm)
- Vendor: [Halo Security](https://cybersectools.com/companies/halo-security)
- Deployment: Cloud
- Company size fit: SMB, Mid-Market, Enterprise
- Pricing model: Commercial (contact sales)
- Features: 10 listed
- Integrations: 5 listed
- Website: halosecurity.com

The full feature and integration lists are on the page for signed-in visitors.

## Where it ranks

Halo Security Attack Surface Discovery is not a pick on the current [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions).

## Halo Security Attack Surface Discovery FAQ

### What is Halo Security Attack Surface Discovery?

Halo Security Attack Surface Discovery is a product by Halo Security in the External Attack Surface Management category. It covers Network Scanning, Port Scanning and Subdomain Enumeration.

### What is the pricing for Halo Security Attack Surface Discovery?

Halo Security Attack Surface Discovery is a commercial product. For pricing, visit https://halosecurity.com/discovery-scanning/ or contact Halo Security.

### What are alternatives to Halo Security Attack Surface Discovery?

Alternatives to Halo Security Attack Surface Discovery listed on CybersecTools:

1. [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) - Fast Certificate Transparency search and JSON API for subdomain reconnaissance. (Commercial)
2. [SurfaceDiff](https://cybersectools.com/tools/surfacediff) - Continuous external attack surface monitoring that shows what changed between scans. (Commercial)
3. [ArmorPoint Attack Surface Management](https://cybersectools.com/tools/armorpoint-attack-surface-management) - Continuous, agentless discovery and threat-intel enrichment of external internet-facing (Commercial)
4. [DDactic Attack Surface Discovery](https://cybersectools.com/tools/ddactic-attack-surface-discovery) - Scans domains to discover attack surface, vulnerabilities, and generate hardening (Commercial)
5. [Trickest ASM - Attack Surface Management](https://cybersectools.com/tools/trickest-asm-attack-surface-management) - Customizable ASM platform for asset discovery, monitoring, and enrichment (Commercial)

Compare all Halo Security Attack Surface Discovery alternatives at [https://cybersectools.com/alternatives/halo-security-attack-surface-discovery](https://cybersectools.com/alternatives/halo-security-attack-surface-discovery)

### What deployment and organization size does Halo Security Attack Surface Discovery fit?

Halo Security Attack Surface Discovery is available as a cloud service. It is listed for small businesses, mid-market companies and enterprises. Pricing is commercial. Ask Halo Security for pricing and support terms.

## Compare Halo Security Attack Surface Discovery with similar solutions

- [Halo Security Attack Surface Discovery vs ctlogs.dev](https://cybersectools.com/compare/ctlogsdev-vs-halo-security-attack-surface-discovery)
- [Halo Security Attack Surface Discovery vs SurfaceDiff](https://cybersectools.com/compare/halo-security-attack-surface-discovery-vs-surfacediff)
- [Halo Security Attack Surface Discovery vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-halo-security-attack-surface-discovery)

All alternatives to Halo Security Attack Surface Discovery: [/alternatives/halo-security-attack-surface-discovery](https://cybersectools.com/alternatives/halo-security-attack-surface-discovery)

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Source: https://cybersectools.com/tools/halo-security-attack-surface-discovery

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More on Halo Security Attack Surface Discovery and Halo Security: 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=product-md