Asset Discovery & Perimeter Monitoring

You cannot protect what you do not know exists. Topscan maps your internet-facing footprint and keeps the inventory current as it changes.

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Challenges & Solutions

Every deploy, experiment, and cloud change can add an internet-facing asset. The ones nobody remembers are the ones attackers find first.

Challenges

  • Subdomains and services exist outside any tracked inventory
  • A quick deploy exposes something no one wrote down
  • Cloud accounts spin up resources faster than the spreadsheet updates
  • Forgotten staging and API endpoints stay online for months
  • The real perimeter is always bigger than the documented one

Solutions

  • Continuous asset discovery maps subdomains, IPs, APIs, and exposed services
  • New assets are surfaced as your footprint changes
  • Cloud-connected accounts feed discovery automatically
  • Nothing is scanned until you confirm it
  • One living inventory of everything internet-facing
Easy steps to result

How TopScan Asset Discovery Works

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Step 1 - Start from what you own

Add a domain or IP and Topscan begins mapping outward - no manual asset list required.

  • Domain and IP input
  • Automatic expansion to related assets
  • No spreadsheet to maintain
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Step 2 - Discover the full perimeter

Topscan finds the assets tied to your footprint that never made it into any inventory.

  • Subdomains and IP addresses
  • APIs and exposed services
  • Detected technologies on each asset
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Step 3 - Confirm what to monitor

Discovery does not scan blindly. New assets arrive in a review queue; you decide what becomes a monitored target and what gets dismissed.

  • New asset review queue
  • Confirmation before scanning
  • Dismiss assets that are not yours
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Step 4 - Stay current as it changes

Discovery runs on a schedule, so the inventory keeps pace with deploys and cloud changes. New assets are reported each cycle.

  • Recurring perimeter scans
  • New asset notifications
  • Cloud-connected assets included automatically
What we have

Features & Capabilities

Continuous Asset Discovery

Map subdomains, IPs, APIs, and exposed services as your footprint grows.

External Perimeter Coverage 

See everything internet-facing, including assets no one documented.

New Asset Detection

Get notified when previously unknown assets appear on your perimeter.

Confirmation Before Scanning 

Nothing enters monitoring until you approve it.

Cloud-Connected Discovery

AWS-connected accounts feed new external-facing resources into discovery automatically (Advanced).

Living Asset Inventory 

One current view of your external attack surface - not a stale list.

Who Topscan is Built For

CTO 

Know the real size of your external footprint without commissioning an audit.

Head of DevOps 

Catch shadow infrastructure and forgotten services as environments change.

Senior DevOps Engineer 

Keep an accurate asset inventory without maintaining it by hand.

Cloud Infrastructure Teams 

Track internet-facing resources across accounts as they spin up and down.

Teams Preparing for Audits 

Show a current, monitored inventory of internet-facing assets. Your auditor should confirm applicability.

Topscan platform

About Topscan

Topscan is a continuous security monitoring platform built for technical teams without a dedicated security function.

 

Asset discovery feeds a broader workflow - attack surface monitoring, external scanning, vulnerability management, and reporting - so the assets you find are the assets you actually watch, prioritize, and fix.

FAQ

Topscan builds on the best in class scanning engines

Still have questions?

Contact us
Subdomains, IP addresses, APIs, exposed services, and the technologies running on them across your external footprint.
No. New assets arrive in a review queue and are only scanned after you confirm them as targets.
It maps outward from the domains and IPs you own and from connected cloud accounts, surfacing related internet-facing assets you never added by hand.
Yes. AWS-connected accounts feed newly created external-facing resources into discovery automatically on Advanced.
On a recurring schedule, so the inventory stays current and new assets are reported each cycle.
No. Discovery finds which assets exist; scanning then checks each confirmed asset for open ports, services, and vulnerabilities.