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Security Finding (2001)

Security Finding events describe findings, detections, anomalies, alerts and/or actions performed by security products

  • Category: Findings
  • Extends: base_event
  • UID: 2001

Attributes

Section titled “Attributes”

Classification

Section titled “Classification”

activity_id

  • Type: integer_t
  • Requirement: required
  • Values:
    • 0 - Unknown: The event activity is unknown.
    • 1 - Create: A security finding was created.
    • 2 - Update: A security finding was updated.
    • 3 - Close: A security finding was closed.
    • 99 - Other: The event activity is not mapped. See the activity_name attribute, which contains a data source specific value.

The normalized identifier of the activity that triggered the event.

category_uid

  • Type: integer_t
  • Requirement: required
  • Values:
    • 2 - Findings: Findings events report findings, detections, and possible resolutions of malware, anomalies, or other actions performed by security products.

The category unique identifier of the event.

class_uid

  • Type: integer_t
  • Requirement: required
  • Values:
    • 2001 - Security Finding: Security Finding events describe findings, detections, anomalies, alerts and/or actions performed by security products

The unique identifier of a class. A class describes the attributes available in an event.

severity_id

  • Type: integer_t
  • Requirement: required
  • Values:
    • 0 - Unknown: The event/finding severity is unknown.
    • 1 - Informational: Informational message. No action required.
    • 2 - Low: The user decides if action is needed.
    • 3 - Medium: Action is required but the situation is not serious at this time.
    • 4 - High: Action is required immediately.
    • 5 - Critical: Action is required immediately and the scope is broad.
    • 6 - Fatal: An error occurred but it is too late to take remedial action.
    • 99 - Other: The event/finding severity is not mapped. See the severity attribute, which contains a data source specific value.

The normalized identifier of the event/finding severity.The normalized severity is a measurement the effort and expense required to manage and resolve an event or incident. Smaller numerical values represent lower impact events, and larger numerical values represent higher impact events.

type_uid

  • Type: long_t
  • Requirement: required
  • Values:
    • 200100 - Security Finding: Unknown
    • 200101 - Security Finding: Create: A security finding was created.
    • 200102 - Security Finding: Update: A security finding was updated.
    • 200103 - Security Finding: Close: A security finding was closed.
    • 200199 - Security Finding: Other

The event/finding type ID. It identifies the event’s semantics and structure. The value is calculated by the logging system as: class_uid * 100 + activity_id.

activity_name

  • Type: string_t
  • Requirement: optional

The event activity name, as defined by the activity_id.

category_name

  • Type: string_t
  • Requirement: optional

The event category name, as defined by category_uid value: Findings.

class_name

  • Type: string_t
  • Requirement: optional

The event class name, as defined by class_uid value: Security Finding.

severity

  • Type: string_t
  • Requirement: optional

The event/finding severity, normalized to the caption of the severity_id value. In the case of ‘Other’, it is defined by the source.

type_name

  • Type: string_t
  • Requirement: optional

The event/finding type name, as defined by the type_uid.

Context

Section titled “Context”

metadata

The metadata associated with the event or a finding.

state_id

  • Type: integer_t
  • Requirement: required
  • Values:
    • 0 - Unknown: The state is unknown.
    • 1 - New: The finding is new and yet to be reviewed.
    • 2 - In Progress: The finding is under review.
    • 3 - Suppressed: The finding was reviewed, considered as a false positive and is now suppressed.
    • 4 - Resolved: The finding was reviewed and remediated and is now considered resolved.
    • 99 - Other: The state is not mapped. See the state attribute, which contains a data source specific value.

The normalized state identifier of a security finding.

api cloud

  • Type: api
  • Requirement: optional

Describes details about a typical API (Application Programming Interface) call.

attacks

  • Type: attack
  • Requirement: optional

The attack object describes the technique and associated tactics as defined by ATT&CK MatrixTM.

cis_csc

  • Type: cis_csc
  • Requirement: optional

The CIS Critical Security Controls is a list of top 20 actions and practices an organization’s security team can take on such that cyber attacks or malware, are minimized and prevented.

compliance

The compliance object provides context to compliance findings (e.g., a check against a specific regulatory or best practice framework such as CIS, NIST etc.) and contains compliance related details.

data_sources

  • Type: string_t
  • Requirement: optional

A list of data sources utilized in generation of the finding.

enrichments

The additional information from an external data source, which is associated with the event or a finding. For example add location information for the IP address in the DNS answers:[{"name": "answers.ip", "value": "92.24.47.250", "type": "location", "data": {"city": "Socotra", "continent": "Asia", "coordinates": [-25.4153, 17.0743], "country": "YE", "desc": "Yemen"}}]

evidence

  • Type: json_t
  • Requirement: optional

The data the finding exposes to the analyst.

kill_chain

The Cyber Kill Chain® provides a detailed description of each phase and its associated activities within the broader context of a cyber attack.

malware

  • Type: malware
  • Requirement: optional

A list of Malware objects, describing details about the identified malware.

nist

  • Type: string_t
  • Requirement: optional

The NIST Cybersecurity Framework recommendations for managing the cybersecurity risk.

process

  • Type: process
  • Requirement: optional

The process object.

raw_data

  • Type: string_t
  • Requirement: optional

The raw event/finding data as received from the source.

state

  • Type: string_t
  • Requirement: optional

The normalized state of a security finding.

unmapped

  • Type: object
  • Requirement: optional

The attributes that are not mapped to the event schema. The names and values of those attributes are specific to the event source.

vulnerabilities

This object describes vulnerabilities reported in a security finding.

Occurrence

Section titled “Occurrence”

time

  • Type: timestamp_t
  • Requirement: required

The normalized event occurrence time or the finding creation time.

timezone_offset

  • Type: integer_t
  • Requirement: recommended

The number of minutes that the reported event time is ahead or behind UTC, in the range -1,080 to +1,080.

count

  • Type: integer_t
  • Requirement: optional

The number of times that events in the same logical group occurred during the event Start Time to End Time period.

duration

  • Type: integer_t
  • Requirement: optional

The event duration or aggregate time, the amount of time the event covers from start_time to end_time in milliseconds.

end_time

  • Type: timestamp_t
  • Requirement: optional

The end time of a time period, or the time of the most recent event included in the aggregate event.

end_time_dt datetime

  • Type: datetime_t
  • Requirement: optional

The end time of a time period, or the time of the most recent event included in the aggregate event.

start_time

  • Type: timestamp_t
  • Requirement: optional

The start time of a time period, or the time of the least recent event included in the aggregate event.

start_time_dt datetime

  • Type: datetime_t
  • Requirement: optional

The start time of a time period, or the time of the least recent event included in the aggregate event.

time_dt datetime

  • Type: datetime_t
  • Requirement: optional

The normalized event occurrence time or the finding creation time.

Primary

Section titled “Primary”

cloud cloud

  • Type: cloud
  • Requirement: required

Describes details about the Cloud environment where the event was originally created or logged.

finding

  • Type: finding
  • Requirement: required

The Finding object provides details about a finding/detection generated by a security tool.

analytic

  • Type: analytic
  • Requirement: recommended

The analytic technique used to analyze and derive insights from the data or information that led to the finding or conclusion.

confidence

  • Type: string_t
  • Requirement: recommended

The confidence, normalized to the caption of the confidence_id value. In the case of ‘Other’, it is defined by the event source.

confidence_id

  • Type: integer_t
  • Requirement: recommended
  • Values:
    • 0 - Unknown: The normalized confidence is unknown.
    • 1 - Low
    • 2 - Medium
    • 3 - High
    • 99 - Other: The confidence is not mapped to the defined enum values. See the confidence attribute, which contains a data source specific value.

The normalized confidence refers to the accuracy of the rule that created the finding. A rule with a low confidence means that the finding scope is wide and may create finding reports that may not be malicious in nature.

confidence_score

  • Type: integer_t
  • Requirement: recommended

The confidence score as reported by the event source.

impact

  • Type: string_t
  • Requirement: recommended

The impact , normalized to the caption of the impact_id value. In the case of ‘Other’, it is defined by the event source.

impact_id

  • Type: integer_t
  • Requirement: recommended
  • Values:
    • 0 - Unknown: The normalized impact is unknown.
    • 1 - Low
    • 2 - Medium
    • 3 - High
    • 4 - Critical
    • 99 - Other: The impact is not mapped. See the impact attribute, which contains a data source specific value.

The normalized impact of the finding.

impact_score

  • Type: integer_t
  • Requirement: recommended

The impact of the finding, valid range 0-100.

message

  • Type: string_t
  • Requirement: recommended

The description of the event/finding, as defined by the source.

observables

The observables associated with the event or a finding.

resources

Describes details about resources that were affected by the activity/event.

risk_level

  • Type: string_t
  • Requirement: recommended

The risk level, normalized to the caption of the risk_level_id value. In the case of ‘Other’, it is defined by the event source.

risk_level_id

  • Type: integer_t
  • Requirement: recommended
  • Values:
    • 0 - Info
    • 1 - Low
    • 2 - Medium
    • 3 - High
    • 4 - Critical

The normalized risk level id.

risk_score

  • Type: integer_t
  • Requirement: recommended

The risk score as reported by the event source.

status

  • Type: string_t
  • Requirement: recommended

The event status, normalized to the caption of the status_id value. In the case of ‘Other’, it is defined by the event source.

status_code

  • Type: string_t
  • Requirement: recommended

The event status code, as reported by the event source.

For example, in a Windows Failed Authentication event, this would be the value of ‘Failure Code’, e.g. 0x18.

status_detail

  • Type: string_t
  • Requirement: recommended

The status details contains additional information about the event/finding outcome.

status_id

  • Type: integer_t
  • Requirement: recommended
  • Values:
    • 0 - Unknown: The status is unknown.
    • 1 - Success
    • 2 - Failure
    • 99 - Other: The event status is not mapped. See the status attribute, which contains a data source specific value.

The normalized identifier of the event status.

Objects Used

Section titled “Objects Used”