
Why the attack surface inventory is always incomplete
An inventory is a process, not a spreadsheet. Any subdomain without a known owner eventually becomes nobody's asset.
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Short answers to questions we meet in the field: reading stealer logs, catching typosquats, managing IOCs, closing cases. Research, operations and product notes.

An inventory is a process, not a spreadsheet. Any subdomain without a known owner eventually becomes nobody's asset.

An annual supplier questionnaire starts ageing the moment the contract is signed. The externally visible surface can be measured continuously.

Searching the company name is the easiest and least productive method. Yield lives in terms that are specific and hard …

When a DNS record outlives the resource behind it, someone else can claim the name. Nobody notices, because nothing breaks.

Reducing alert volume is an outcome, not a goal. The goal is that every alert can be tied to a …

A finding without an owner never closes; without a closure rationale it reopens three months later. We made both mandatory …

When a supplier's jurisdiction changes, so does its risk profile. That is a signal the security team should track too.

CT logs are the cheapest way to find assets outside your inventory. They are noisy, but the noise is manageable.

The score is not the valuable part; the reason for it is. Every point needs a rationale you can show.