RedGem

Attack Surface Management

Gain complete visibility into your external attack surface. Discover, monitor, and manage every internet-facing asset — automatically.

How It Works

Add Your Domains

Enter your company's top-level domain names to kick off the discovery process.

Automatic Discovery

The system discovers subdomains, IP addresses, and open ports using multiple reconnaissance techniques.

Continuous Monitoring

Receive alerts when new assets appear or existing ones change, on fully customizable schedules.

Features

Everything you need for external asset management

Asset Visibility

See everything discoverable from the internet — subdomains, IPs, and open ports — in one place.

Auto-Updated Inventory

Your external asset inventory stays current automatically, eliminating manual tracking.

TLS Monitoring

Track certificate validity, expiration dates, and HTTP/HTTPS response codes.

Change Alerts

Get notified instantly when new domains, IPs, or ports surface in your attack perimeter.

Asset Annotations

Add comments and notes to subdomains, IPs, and ports to streamline service reviews.

Port Scanning

Scan open ports from a fully customizable list to maintain visibility over exposed services.

For Security Teams

Your external asset inventory, always up to date

Security Managers need a constantly updated view of their external footprint. RedGem automates this — ensuring your security controls cover every externally visible asset without manual effort.

Automated Discovery

Change Alerts

TLS Monitoring

Port Scanning

Start mapping your attack surface

Create your automatically updated external asset inventory in RedGem today — for free.