
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 indicator list does not gain value as it grows. Context-free IOCs create work for analysts and become a closed …

A valid session cookie removes the attacker's need for both the password and MFA. Case closure starts with session revocation.

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

Listing technique IDs is not a coverage analysis. The real question is whether that technique is visible in your environment.

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 …

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.

Closure is the most rushed step of a case. Five questions stop the same finding coming back three months later.