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Security & Compliance

Black-Box Testing

Testing with no internal knowledge of the system — the same vantage point a real external attacker has. Used to validate what's actually exposed at the perimeter, independent of what the codebase claims.

External Attack Simulation · Perimeter Testing

What it is

Black-box testing starts from zero internal information, the same position an outside attacker starts from. It's the most realistic simulation of an actual external attack, and the clearest answer to "what can someone with no inside access actually reach?"

How it works

  1. 01
    Zero internal access, by design

    The tester works from publicly available information and what can be discovered externally — nothing handed over from your side.

  2. 02
    Reconnaissance, then attack

    Mapping the exposed attack surface first, the way a real attacker would, before attempting exploitation.

  3. 03
    Document what's actually exposed

    A clear picture of what's reachable from outside, independent of internal assumptions about what should be exposed.

Benefits

  • The realistic view of what an external attacker can actually reach
  • No internal bias about what "should" be secure — findings reflect what's actually exposed
  • A strong baseline before deeper grey- or white-box testing

Frequently asked

When is black-box testing the right choice over grey- or white-box?

When the question is specifically "what can an outsider with zero access reach?" — it's the realistic external view, though it typically finds less than grey- or white-box because it starts with no internal context.

Not sure this is the right fit yet?

A scope call is a lower-commitment way to find out before anything gets built.

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