DH-B-03Level 1 · Signal
Shares sensitive data externally
A risky behavior signal from the CASB or DLP layer: the person shared a file or link classified as sensitive with an address outside the company.
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
-
- PR.DS-01
- MITRE ATT&CK
-
- T1567
The definition, in detail
Definition
It covers public links, external guests and personal addresses.
Example
A product manager sets a roadmap document to "anyone with the link" so a prospective partner can read it.
How it is measured
- Source
- Web, CASB & DLP
- Subject
- Person
- Event
- data.sensitive.shared
- Risk domain
- Data handling
- Provenance
- Forrester, Gartner
How it is used
Programs count "Shares sensitive data externally" per person from Web, CASB & DLP and read it beside the other Data handling signals; it feeds 1 cohort, 0 sequences and 2 breach scenarios.
A "shares sensitive data externally" event is evidence of behavior under pressure. It is one observed action, and on its own it is no proof of compromise.
Technical mappings
Framework mappings; validate for your use case.
Library indicators
The detailed observations in the indicator library with the same risk domain, dimension and polarity as this signal.
- I.0014Forwards email messages to an unauthorized mailbox
- I.0022Sends email messages to risky distribution lists
- I.0023Sends files to personal accounts
- I.0025Shares meeting links on public websites
- I.0027Removes sensitivity labels from email messages
- I.0032Shares sensitive content via email messages
- I.0033Shares sensitive data to public folders
- I.0034Shares sensitive content via chat
- I.0035Uses personal email for work correspondence
- I.0036Reveals project codes names or internal initiatives in public channels
- I.0038Screenshares confidential content in virtual meetings with external participants
- I.0100Uses personal tools to access enterprise documents
- I.0101Syncs enterprise data to personal cloud storage
- I.0126Uploads sensitive files to unauthorized web apps
- I.0128Uploads code to unsanctioned repositories
- I.0203Stores sensitive data in unprotected local folders
- I.0204Copies sensitive data to removable media
- I.0205Transfers sensitive content via clipboard
- I.0303Copies corporate files to personal devices or media
- I.0307Configures auto-forwarding of work email to personal accounts
- I.0308Shares sensitive data during screen sharing sessions
- I.0309Records meetings without participant consent
- I.0310Posts sensitive content in unsecured chat applications
- I.0316Enables video or audio in non-private settings
- I.0317Views sensitive data on screen in public areas
- I.0318Displays sensitive data on external monitors in public
- I.0354Posts corporate data to paste sites or public bins
- I.0355Shares internal documents on public file hosts
Continue exploring
"Shares sensitive data externally" (DH-B-03), Human Risk Management Framework v2.0.0, Living Security, CC BY 4.0. https://www.humanriskmanagement.com/taxonomy/signals/dh-b-03-shares-sensitive-data-externally
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.