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External Attack Surface Management

Find the infrastructure you didn't know you had

Kenzer enumerates subdomains and hosts across your entire footprint, powered by ARPSyndicate's own Subdomain Center — among the largest subdomain databases in the industry — entirely passive.

Deeper active verification is available too, but only against infrastructure you've explicitly authorized.

Get started See continuous exposure management

Not a wordlist. A pre-built intelligence database.

Most EASM tools discover assets by brute-forcing common subdomain names against your domain in real time.

Kenzer starts from ARPSyndicate's own Subdomain Center instead — a continuously updated database built entirely from passive sources: certificate transparency logs, web-scale crawling, and embedding-based host correlation. Never DNS brute force against your infrastructure.

That's how it finds the forgotten staging server, the marketing team's shadow SaaS integration, and the acquired subsidiary's still-live legacy domain — without ever touching your live systems unless you authorize deeper active verification.

637
organizations under continuous discovery
13
grade tiers scored per asset owner
What gets discovered

Every layer of the pipeline

Passive — always on
Subdomain enumerationWHOIS & DNS records Public cloud storage exposureGitHub code-search leak sweep Mobile app inventorySBOM / software supply chain
Active — authorization required
Port scanningService & web fingerprinting WAF detectionSubdomain takeover confirmation
Core capabilities

Beyond a one-time inventory

SD

Subdomain & asset discovery

Full enumeration against the world's largest subdomain intelligence database, then live verification.

Not a static list that goes stale.

TO

Subdomain takeover detection

Flags dangling DNS records pointing at deprovisioned cloud resources — before an attacker claims them.

CL

Cloud storage exposure

Finds publicly accessible object storage buckets tied to your organization's infrastructure.

GH

GitHub leak sweep

Searches public code repositories for leaked credentials, keys, and internal infrastructure references tied to your domains.

MA

Mobile app inventory

Identifies your organization's published mobile apps as part of the same discovered attack surface.

RS

Scheduled rediscovery

Runs on a recurring schedule.

Newly stood-up infrastructure shows up automatically — no waiting for the next manual audit.

Does this require any credentials or agents?

No — discovery and scanning are entirely external, the same vantage point an attacker has.

What happens after something is discovered?

Discovered assets flow directly into vulnerability scanning and scoring.

See Continuous Threat Exposure Management for what happens next.

Can it find subsidiaries I haven't explicitly told it about?

Discovery is seeded from your known domains and expands from there.

Organizational hierarchies (parent/subsidiary) can also be modeled explicitly for a full rollup view.

How current is the underlying database?

ARPSyndicate's Subdomain Center is continuously updated.

Kenzer additionally re-verifies liveness at scan time rather than trusting a stale record.

See what's actually exposed

Discovery built on the same database ARPSyndicate sells on its own as a standalone product.

For questions, contact us at [email protected]
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