IA-T-01Level 1 · Signal
Credentials leaked in a public breach
- Threat
- Neutral
- Level 1 · Signal
A threat signal from a breach and dark-web exposure feed: the person's work email and a password appeared in a published third-party breach.
Classification
- Risk domain One of 9 areas of human risk, from social engineering to readiness and response. Every signal belongs to one.
- Evidence level
- Maturity practices One capability a program performs, scored on its own: See, Understand, Act, Prove, Govern and Culture.
- Leads to The kind of breach the evidence beneath it points toward, each anchored to a Verizon DBIR or VERIS pattern or an FBI IC3 category.
- NIST CSF 2.0
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- ID.RA-02
- MITRE ATT&CK
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- T1589
The definition, in detail
Definition
Until the password is changed, attackers can try it against company systems.
Example
A product manager's work email and password surface in a leaked database from a conference website he signed up for last year.
How it is measured
- Subject
- Person
- Event
- credential.leaked
- Risk domain
- Identity and access
- Provenance
- Forrester, Verizon DBIR
How it is used
Programs count "Credentials leaked in a public breach" per person from Breach & dark-web exposure and read it beside the other Identity and access signals; it feeds 2 cohorts, 1 sequence and 2 breach scenarios.
A "credentials leaked in a public breach" record is evidence of what reaches the person (the threat side of the model). It says nothing on its own about what the person did.
Technical mappings
Framework mappings; validate for your use case.
Continue exploring
"Credentials leaked in a public breach" (IA-T-01), Human Risk Management Framework v2.0.0, Living Security, CC BY 4.0. https://www.humanriskmanagement.com/taxonomy/signals/ia-t-01-credentials-leaked-in-a-public-breach
Part of the open HRM Taxonomy, CC BY 4.0. Download the taxonomy as JSON · Version history. This page describes one signal.
The initial assessment
Find your level.Then fix what matters.
18 questions, about 4 minutes and nothing to type before the result: your level, a score for each practice and three first playbooks, each Easy, Medium or Hard.