What does technical attribution actually mean?¶

Technical attribution is the process of linking activity to a device, account, session, service, infrastructure item or technical method.

Evidential caution: that technical attribution automatically identifies the person responsible.

What this means¶

Technical evidence may show:

which account acted;

which device connected;

which IP address was used;

which malware family executed;

which server delivered a payload;

which wallet received funds;

which session performed an action;

which provider account controlled infrastructure.

Those findings are important, but they are not the same as personal attribution.

An account may be shared, compromised or automated.

A device may be remotely controlled.

An IP address may represent a proxy, gateway or shared connection.

A malware family may be used by several offenders.

For example:

“Activity was performed through the account…”

“The connection originated from the device…”

“The infrastructure was managed through the provider account…”

Those statements are stronger and more defensible than naming a person without corroboration.

Personal attribution may require several additional sources, including device control, physical presence, communications, payment, provider records, admissions, witnesses or seized credentials.

Technical attribution should also record the time period and evidential source. An account may control a server one week and be transferred, compromised or suspended the next. Current ownership should not be projected backwards without historical provider, session or configuration records.

Where several technical identifiers converge, check whether they are genuinely independent. A device identifier, source address and session may all derive from one provider record. Strong attribution comes from corroboration across different systems, not from counting repeated fields from the same event. The operational takeaway is:

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What to check or do next¶

• Investigators should state the precise level of attribution supported.
• Use technical evidence to attribute activity to systems, accounts, sessions and infrastructure, and build personal attribution separately from corroborating evidence.

Evidential limits¶

It does not.