SE-T-04Level 1 · Signal
Receives callback or voice phishing
- Threat
- Neutral
- Level 1 · Signal
A threat signal from email security: the person received a message built to make them call a phone number, where a live attacker continues the attack by voice.
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-03
- MITRE ATT&CK
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- T1566.004
The definition, in detail
Definition
These lures carry no link, so filters often miss them.
Example
An office manager gets a renewal invoice for software the company never bought, with a support number to call to cancel the charge.
How it is measured
- Source
- Email security
- Subject
- Person
- Event
- phishing.toad.delivered
- Risk domain
- Social engineering
- Provenance
- Verizon DBIR
How it is used
Programs count "Receives callback or voice phishing" per person from Email security and read it beside the other Social engineering signals; it feeds 0 cohorts, 1 sequence and 2 breach scenarios.
A "receives callback or voice phishing" 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
"Receives callback or voice phishing" (SE-T-04), Human Risk Management Framework v2.0.0, Living Security, CC BY 4.0. https://www.humanriskmanagement.com/taxonomy/signals/se-t-04-receives-callback-or-voice-phishing
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.