[SOLUTION] Add Halcyon data connector v2, parsers, and hunting content

[jwilke-halcyon]

Required items, please complete

Change(s):
- Added Data Connector V2 for events and alert updates
- Added OCSF aggregate parser for HalcyonAlertUpdatesV2_CL
- Added HalcyonEventsV2_CL hunting query
- Added HalcyonEventsV2_CL OCSF parsers

Reason for Change(s):

• New data ingestion schema required new DCR
• New OCSF format used for stored custom logs
• Provide helpful parsing functionality out of the box for users

Version updated:

• Yes

Testing Completed:

• Yes

Checked that the validations are passing and have addressed any issues that are present:

• Yes

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

Adds the Halcyon v2 push connector (new DCR + custom tables) and ships accompanying parser + hunting content, with a solution version bump to 3.2.0.

Changes:

• Introduces HalcyonPushV2 connector artifacts (DCR, connector definition, data connector, v2 tables).
• Adds OCSF parsers for HalcyonEventsV2_CL and an alerts “latest state” parser.
• Adds a HalcyonEventsV2_CL hunting query and updates solution packaging + release notes.

Reviewed changes

Copilot reviewed 18 out of 19 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
Solutions/Halcyon/ReleaseNotes.md	Adds 3.2.0 entry describing new connector/tables + hunting/parsers
Solutions/Halcyon/Parsers/Halcyon_OCSF_ProcessActivity.yaml	New OCSF class-specific projection parser for Process Activity
Solutions/Halcyon/Parsers/Halcyon_OCSF_NetworkActivity.yaml	New OCSF class-specific projection parser for Network Activity
Solutions/Halcyon/Parsers/Halcyon_OCSF_KernelActivity.yaml	New OCSF class-specific projection parser for Kernel Activity
Solutions/Halcyon/Parsers/Halcyon_OCSF_FileActivity.yaml	New OCSF class-specific projection parser for File Activity
Solutions/Halcyon/Parsers/Halcyon_OCSF_DnsActivity.yaml	New OCSF class-specific projection parser for DNS Activity
Solutions/Halcyon/Parsers/Halcyon_OCSF_Authentication.yaml	New OCSF class-specific projection parser for Authentication
Solutions/Halcyon/Parsers/Halcyon_OCSF_ApplicationLifecycle.yaml	New OCSF class-specific projection parser for Application Lifecycle
Solutions/Halcyon/Parsers/Halcyon_Alerts.yaml	Adds a parser intended to return latest state per alert
Solutions/Halcyon/Package/mainTemplate.json	Packages v2 connector + DCR transforms + tables, and adds packaged parser/hunting content
Solutions/Halcyon/Package/createUiDefinition.json	Updates solution install UX text and adds hunting queries blade
Solutions/Halcyon/Hunting Queries/Halcyon_RelatedEventsForAlert.yaml	Adds a hunting query to retrieve events related to an alert
Solutions/Halcyon/Data/Solution_Halcyon.json	Updates connector path, adds parser/hunting query references, bumps version to 3.2.0
Solutions/Halcyon/Data Connectors/Halcyon_ccp_v2/Halcyon_table_events.json	Defines HalcyonEventsV2_CL table schema
Solutions/Halcyon/Data Connectors/Halcyon_ccp_v2/Halcyon_table_alert_updates.json	Defines HalcyonAlertUpdatesV2_CL table schema
Solutions/Halcyon/Data Connectors/Halcyon_ccp_v2/Halcyon_dataConnector.json	Defines the Push data connector resource for v2
Solutions/Halcyon/Data Connectors/Halcyon_ccp_v2/Halcyon_connectorDefinition.json	Defines the v2 connector UI + instructions + permissions
Solutions/Halcyon/Data Connectors/Halcyon_ccp_v2/Halcyon_DCR.json	Defines v2 DCR stream + transforms to EventsV2/AlertUpdatesV2

[jwilke-halcyon]

@microsoft-github-policy-service agree company="Halcyon"

[jwilke-halcyon]

Screenshot of DCR Connected

[v-shukore]

Hi @jwilke-halcyon, I noticed there are a total of 8 parsers in this PR, but only one was added to the data file. Was this intentional, or did you forget to add the others by mistake? Could you please confirm? Thanks!