External attack surface management (EASM)

See your perimeter the way attackers do.

Nulink Exposure Management maps your external attack surface. Give it a domain and it finds the subdomains, hosts, certificates and services connected to you, surfaces the ones nobody knew about, and keeps watching for changes.

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From one domain to a full external inventory.

01
Add your domains
Start with the domains you own. There's nothing to install and no credentials to hand over.
02
Discover
Nulink expands each seed into subdomains, IP addresses, hosts and certificates using public sources such as DNS and certificate transparency logs.
03
Assess
Every asset is fingerprinted: which services answer, what software they run, whether their certificates and DNS records are healthy.
04
Monitor
Your surface is rescanned continuously and you're alerted when a new host, port, certificate or lookalike domain appears.

Six ways of looking at your perimeter.

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Why an outside-in view matters.

Outside-in: Exposure Management works from what's publicly visible, which is exactly the view an attacker starts with.
Finds the unknown: It compares what's on the internet with what you think you run, and highlights the difference.
Continuous, not annual: A penetration test is a snapshot. Your surface changes every week, so the monitoring doesn't stop.
Use it on its own: No cloud connectors required. Pair it with Nulink Cloud when you want the inside view as well.

Works from

Any domain
Any hosting provider
DNS records
Certificate transparency logs

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