OCSF Schema Release v1.1.0

[v1.1.0] - January 25th, 2024

Added

• Categories

  n/a

• Event Classes

  1. Added User Inventory Info event class. #667
  2. Added Vulnerability Finding event class. #698
  3. Added NTP Activity event class #705
  4. Added OS Patch State event class. #746
  5. Added Datastore Activity event class 6005. #874
  6. Added Detection Finding event class. #877
  7. Added Incident Finding event class. #903
  8. Added Device Config Sate Change event class. #914
  9. Added Scan Activity event class. #915
  10. Added File Hosting Activity event class. #917

• Profiles

  1. Added Network Proxy Profile for the Network Activity and Application Activity classes. #705
  2. Added Load Balancer Profile for the Network Activity classes. #897

• Objects

  1. Added new cwe object to cve and vulnerability objects. #678
  2. Added Firewall Rule object. #685
  3. Added new kb_article object to house Knowledgebase Article info. #709 #862 #924
  4. Added new epss object to the cve object. #741

Improved

• Categories

  1. Improved Findings Category, with new and domain specific event classes (Vulnerability Finding, Compliance Finding, Detection Finding, Incident Finding), description updates across the board. #895 #907 #903 #698 #718

• Event Classes

  1. Added MFA Enable and Disable to activity_id to the Account Change event class. #724
  2. Added Service Ticket Renew to activity_id of the Authentication event class. #765
  3. Added url attribute to Network Activity event class. #857
  4. Added http_request, http_response, tls attributes, network_proxy profile to Web Resources Activity event class. #895
  5. Adjusted requirement of dst_endpoint from required to recommended in the DNS Activity event class. #901
  6. Added Create and Delete to activity_id of the Group Management event class. #929

• Profiles

  1. Improved security_control profile to include access control semantics, firewall properties. #851 #888 #889 #906

• Objects

  1. Added url_string attribute to the product and the web_resource objects. #675
  2. Added type and type_id attributes to the endpoint object. #690
  3. Added cwe, desc, references and title to cve object. #698
  4. Added affected_package object andaffected_packages attribute to vulnerability object. #698
  5. Added purl to package object. #698
  6. Added cpe_name attribute to the product and os objects. #713 #731
  7. Added container and data to response and request objects. #738
  8. Added group to the api object. #738
  9. Added namespace to the resource_details object. #738
  10. Added log_level to the metadata object. #738
  11. Added length to the http_request object. #768
  12. Added is_exploit_available to the vulnerability object. #777
  13. Added domain attribute to the group object. #871
  14. Adjusted attribute requirements in dns_query, dns_answer objects. #879
  15. Added firewall, router, switch, hub to endpoint type_id enum. #921
  16. Added is_vpn to the session object. #922
  17. Added state to network_connection_info object. #932

Bugfixes

n/a

Deprecated

1. Deprecated cwe_uid and cwe_url attributes and removed from cve object. #678
2. Deprecated http_status attribute from HTTP Activity event to be replaced by http_response.code. #767
3. Deprecated finding object in favor of finding_info object. #769
4. Deprecated proxy attribute from the dictionary, in favor of Network Proxy profile. #856
5. Deprecated group_name attribute. #873
6. Deprecated Security Finding class to be replaced by the new specific classes according to the use-case: Vulnerability Finding, Compliance Finding, Detection Finding, Incident Finding. #877
7. Deprecated Web Resources Access Activity event class. #890
8. Deprecated Network File Activity event class in favor of File Hosting Activity #917
9. Deprecated extension_list in TLS object in favor of tls_extension_list. #936

Breaking changes

n/a

Misc

1. New Extension registration for SentinelOne. #706
2. Added json-schema based metaschema validation to ensure correctness, consistency of the JSON definitions. #736 #830 #867 #892
3. Increased max_len for subnet_t type from 40 to 42. #745
4. Improved the regex for ip_t type. #745
5. Updated the datetime_t validation regex to enable validation of timestamps, and to ensure that timestamps not matching RFC-3339 are not considered valid. #753
6. Added version information to the native extensions. #881
7. Updated caption and description of Observable type - File Hash to read Hash. #900
8. New Extension registration for DataBee. #912
9. Changed data-type of type_uid to long_t from int_t. #928