Start With External Attack Surface Management

Abstract external attack surface: internet-facing nodes and change alerts

What should small businesses start with when they begin thinking about cybersecurity? External attack surface management (EASM) — continuous external exposure monitoring that shows what is internet-facing and alerts you when it changes. Enterprise platforms dominate search results; most small teams need this visibility first, at a price and complexity they can actually run.

Why Start With External Attack Surface Management

Before you buy a stack of tools, you need a clear picture of what the internet can already see. EASM is the practical first step for most founders and small teams without a security department.

Know what is exposed

Domains, IPs, subdomains, open ports, and services drift over time. New cloud assets appear; old ones get forgotten. EASM discovers and tracks that external footprint.

Catch change early

A one-off scan is a snapshot. Scheduled external exposure monitoring alerts you when something new appears or an existing service changes — before an incident forces the discovery.

Right-size everything else

Once you can see the surface, you can choose managed providers, add vulnerability scanning, try DIY open source, or step up for compliance. Visibility first; tooling second.

Two Paths After You Decide on EASM

Same goal — external visibility and change awareness. Different ways to get there.

Managed providers

Hosted external attack surface management with published pricing, scheduled scans, and alerts. Best when you want consistency without building and babysitting a scanner stack.

Start here if: you are a founder or small team, need clear alerts, and prefer instant activation over DIY ops.

Browse managed EASM

DIY open source

Free reconnaissance, enumeration, and testing tools are powerful, but someone still has to install, schedule, tune, store results, and decide what matters.

Start here if: you have technical capacity, near-zero budget, and time to operate the process yourself.

Explore open source tools

Who This Site Is For

Two common situations where expensive enterprise platforms are overkill — and EASM is the right first buy:

Single Founder or Freelancer

A handful of exposed network devices. You pass payments through Stripe, Square, or PayPal — no card storage, no medical data. No regulatory requirement for formal monitoring or testing.

Recommended: Simple external attack surface management with change alerts and exploit notifications for your services. That is usually enough.

Explore Entry-Level Options

Small Business or SaaS Team

Dozens of exposed devices. You have intellectual property and customer information to protect. Risks include ransomware and spear-phishing, even without compliance mandates.

Recommended: External attack surface management plus on-demand vulnerability scanning to establish a baseline and find weak points. This covers most businesses this size without compliance needs.

Explore Small Business Options

Managed EASM by Network Size

Independent provider reviews by actual footprint and risk — not marketing pressure. Compare transparent pricing and pick a tier that matches how much you expose to the internet.

Entry-level network diagram

Entry Level

Scheduled external monitoring and alerts. Ideal for 1–10 devices.

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Small-business network diagram

Small Business

EASM plus vulnerability scans for dozens of devices (up to ~100).

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Medium-business network diagram

Medium or Compliance

When you need deeper analysis, integrations, or regulatory evidence — guidance toward the right specialist tier.

See Guidance

Why We Focus on Small and Affordable

Enterprise security vendors spend heavily on ads. Their tools fit large, regulated environments. Most small businesses without compliance obligations are better served by lighter external attack surface management that still delivers the core outcome: knowing what is exposed and when it changes — at a fraction of enterprise cost.

Open Source Security Tools (DIY Path)

Powerful free tools can map and test your attack surface, but running them reliably — scheduling, interpretation, storage, and follow-up — is ongoing work. Many teams start DIY, then move to managed EASM when they want consistent alerts without operating the stack.

Learn the Basics First

New to attack surface management? Plain-language explainers and checklists before you compare tools or talk to any vendor.