IA-T-05Level 1 · Signal
Activity from anonymous or suspicious IPs
- Threat
- Neutral
- Level 1 · Signal
A threat signal from the identity provider: sign-in activity on the person's account came from anonymizing networks, hosting providers or addresses with a bad reputation.
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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- DE.CM-01
- MITRE ATT&CK
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- T1078
The definition, in detail
Definition
It can mean an attacker holds valid credentials.
Example
A contractor's account signs in through an anonymizing proxy at 3 a.m. local time, twenty minutes after a normal office sign-in.
How it is measured
- Source
- Identity provider & MFA
- Subject
- Person
- Event
- threat.ip.suspicious
- Risk domain
- Identity and access
- Provenance
- Framework research
How it is used
Programs count "Activity from anonymous or suspicious IPs" per person from Identity provider & MFA and read it beside the other Identity and access signals; it feeds 0 cohorts, 0 sequences and 1 breach scenario.
A "activity from anonymous or suspicious IPs" 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
"Activity from anonymous or suspicious IPs" (IA-T-05), Human Risk Management Framework v2.0.0, Living Security, CC BY 4.0. https://www.humanriskmanagement.com/taxonomy/signals/ia-t-05-activity-from-anonymous-or-suspicious-ips
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.