Comments (2)
- I tested this locally by translating an event with observables using a
schema.json
where theuser
object was of datatypeusername_t
:
$ ocsf-cli -p WinEventLog -R rules -r rule-4624-m -S schema-test1.json -o data/4624_0.event | jq -S .observables
...
{
"name": "user",
"type": "User",
"type_id": 21
},
{
"name": "user.name",
"type": "User Name",
"type_id": 4,
"value": "iiwu"
},
{
"name": "logon_process",
"type": "Process",
"type_id": 25
},
...
- Next, I removed the
username_t
as the datatype for theuser
object, and translated the same event with observables using the newschema.json
:
$ ocsf-cli -p WinEventLog -R rules -r rule-4624-m -S schema-test2.json -o data/4624_0.event | jq -S .observables
...
{
"name": "user",
"type": "User",
"type_id": 21
},
{
"name": "logon_process",
"type": "Process",
"type_id": 25
},
...
The result: when removing the datatype username_t
from the user
object, the 'nested' observables (in this case user.name
) are not identified.
This leads me to conclude that removing an observable datatype from an object qualifies as a breaking change, as an observable datatype is required for nested observables.
from ocsf-docs.
We should add this to the breaking changes restrictions.
from ocsf-docs.
Related Issues (15)
- OCSF Taxonomy-3.pdf is marked Confidential HOT 1
- Add a doc explaining available Data Types in OCSF HOT 5
- Add a doc explaining the grammar & conventions in OCSF HOT 2
- Define Groups HOT 1
- Accept PRs for White Paper HOT 3
- FAQs HOT 3
- Introduction: schema vs. data HOT 1
- Write up for Supported Logs
- Are profile #includes optional? HOT 1
- FAQ - OCSF relation to STIX HOT 1
- Add a FAQ - What constitutes a breaking change in OCSF schema? HOT 2
- FAQ Suggestion: Using Extensions vs Profiles HOT 1
- https://schema.ocsf.io/ is down HOT 1
- timestamp_t value discrepency HOT 2
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