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Add assessments to OCSF #1343

Merged
merged 19 commits into from
Feb 19, 2025
Merged

Add assessments to OCSF #1343

merged 19 commits into from
Feb 19, 2025

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jonrau-at-queryai
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Description of changes:

See this thread in the Slack for more information on the backstory.

Adds an assessment object that serves as a generalized Object that can contain normalized assessment/evaluation data of specific configurations or signals in a generalized fashion. For instance, this can be used to capture details for CrowdStrike Zero Trust Assessments of Hosts, to generalize assessment data of CSPM/DSPM platforms such as the various ways to express if logging, encryption, or private access is enabled, and to expand the compliance object for specific technical control assessments.

It is important to separate these from the Findings Category as not every assessment results in a first party alert or detection triggering, for instance the CrowdStrike Zero Trust Assessments are passively conducted on certain hosts with Identity Protection and don't necessarily represent a negative finding.

This also allows for more abstracted asset inventories built upon different sources where generic assessment data and metadata about the asset/entity itself can be centralized without needing to rely on multiple different Event Classes.

@query-jeremy query-jeremy self-requested a review February 19, 2025 16:01
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LGTM

@zschmerber zschmerber merged commit fa6af6a into ocsf:main Feb 19, 2025
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@jonrau-at-queryai jonrau-at-queryai deleted the assessments branch February 20, 2025 22:32
query-jeremy pushed a commit to query-ai/ocsf-schema that referenced this pull request Feb 26, 2025
See [this
thread](https://opencybersecu-lz97379.slack.com/archives/C05HLGHMKU2/p1738944570398689?thread_ts=1738942607.568969&cid=C05HLGHMKU2)
in the Slack for more information on the backstory.

Adds an `assessment` object that serves as a generalized Object that can
contain normalized assessment/evaluation data of specific configurations
or signals in a generalized fashion. For instance, this can be used to
capture details for CrowdStrike Zero Trust Assessments of Hosts, to
generalize assessment data of CSPM/DSPM platforms such as the various
ways to express if logging, encryption, or private access is enabled,
and to expand the `compliance` object for specific technical control
assessments.

It is important to separate these from the `Findings` Category as not
every assessment results in a first party alert or detection triggering,
for instance the CrowdStrike Zero Trust Assessments are passively
conducted on certain hosts with Identity Protection and don't
necessarily represent a negative finding.

This also allows for more abstracted asset inventories built upon
different sources where generic assessment data and metadata about the
asset/entity itself can be centralized without needing to rely on
multiple different Event Classes.

---------

Signed-off-by: Jonathan Rau <139361268+jonrau-at-queryai@users.noreply.github.com>
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4 participants