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api-clients-generation-pipeline[bot]ci.datadog-api-spec
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Add sequence detection to security monitoring rules (#2790)
Co-authored-by: ci.datadog-api-spec <[email protected]>
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‎.generator/schemas/v2/openapi.yaml‎

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@@ -20470,6 +20470,8 @@ components:
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$ref: '#/components/schemas/SecurityMonitoringRuleMaxSignalDuration'
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newValueOptions:
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$ref: '#/components/schemas/SecurityMonitoringRuleNewValueOptions'
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sequenceDetectionOptions:
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$ref: '#/components/schemas/SecurityMonitoringRuleSequenceDetectionOptions'
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thirdPartyRuleOptions:
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$ref: '#/components/schemas/SecurityMonitoringRuleThirdPartyOptions'
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type: object
@@ -40786,6 +40788,7 @@ components:
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- hardcoded
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- third_party
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- anomaly_threshold
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- sequence_detection
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type: string
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x-enum-varnames:
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- THRESHOLD
@@ -40795,6 +40798,7 @@ components:
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- HARDCODED
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- THIRD_PARTY
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- ANOMALY_THRESHOLD
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- SEQUENCE_DETECTION
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SecurityMonitoringRuleEvaluationWindow:
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description: 'A time window is specified to match when at least one of the cases
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matches true. This is a sliding window
@@ -41008,6 +41012,8 @@ components:
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$ref: '#/components/schemas/SecurityMonitoringRuleMaxSignalDuration'
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newValueOptions:
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$ref: '#/components/schemas/SecurityMonitoringRuleNewValueOptions'
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sequenceDetectionOptions:
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$ref: '#/components/schemas/SecurityMonitoringRuleSequenceDetectionOptions'
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thirdPartyRuleOptions:
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$ref: '#/components/schemas/SecurityMonitoringRuleThirdPartyOptions'
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type: object
@@ -41083,6 +41089,47 @@ components:
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oneOf:
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- $ref: '#/components/schemas/SecurityMonitoringStandardRuleResponse'
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- $ref: '#/components/schemas/SecurityMonitoringSignalRuleResponse'
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SecurityMonitoringRuleSequenceDetectionOptions:
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description: Options on sequence detection method.
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properties:
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stepTransitions:
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description: Transitions defining the allowed order of steps and their evaluation
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windows.
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items:
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$ref: '#/components/schemas/SecurityMonitoringRuleSequenceDetectionStepTransition'
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type: array
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steps:
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description: Steps that define the conditions to be matched in sequence.
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items:
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$ref: '#/components/schemas/SecurityMonitoringRuleSequenceDetectionStep'
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type: array
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type: object
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SecurityMonitoringRuleSequenceDetectionStep:
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description: Step definition for sequence detection containing the step name,
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condition, and evaluation window.
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properties:
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condition:
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description: Condition referencing rule queries (e.g., `a > 0`).
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type: string
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evaluationWindow:
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$ref: '#/components/schemas/SecurityMonitoringRuleEvaluationWindow'
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name:
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description: Unique name identifying the step.
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type: string
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type: object
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SecurityMonitoringRuleSequenceDetectionStepTransition:
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description: Transition from a parent step to a child step within a sequence
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detection rule.
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properties:
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child:
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description: Name of the child step.
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type: string
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evaluationWindow:
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$ref: '#/components/schemas/SecurityMonitoringRuleEvaluationWindow'
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parent:
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description: Name of the parent step.
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type: string
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type: object
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SecurityMonitoringRuleSeverity:
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description: Severity of the Security Signal.
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enum:

‎cassettes/v2/Security-Monitoring_1187227211/Create-a-detection-rule-with-detection-method-sequence_detection-returns-OK-response_224770692/frozen.json‎

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"2025-09-12T15:45:55.719Z"

‎cassettes/v2/Security-Monitoring_1187227211/Create-a-detection-rule-with-detection-method-sequence_detection-returns-OK-response_224770692/recording.har‎

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"_recordingName": "Security Monitoring/Create a detection rule with detection method 'sequence_detection' returns \"OK\" response",
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"text": "{\"cases\":[{\"condition\":\"step_b > 0\",\"name\":\"\",\"notifications\":[],\"status\":\"info\"}],\"isEnabled\":true,\"message\":\"Logs and signals asdf\",\"name\":\"Test-Create_a_detection_rule_with_detection_method_sequence_detection_returns_OK_response-1757691955\",\"options\":{\"detectionMethod\":\"sequence_detection\",\"evaluationWindow\":0,\"keepAlive\":300,\"maxSignalDuration\":600,\"sequenceDetectionOptions\":{\"stepTransitions\":[{\"child\":\"step_b\",\"evaluationWindow\":900,\"parent\":\"step_a\"}],\"steps\":[{\"condition\":\"a > 0\",\"evaluationWindow\":60,\"name\":\"step_a\"},{\"condition\":\"b > 0\",\"evaluationWindow\":60,\"name\":\"step_b\"}]}},\"queries\":[{\"aggregation\":\"count\",\"dataSource\":\"logs\",\"distinctFields\":[],\"groupByFields\":[],\"hasOptionalGroupByFields\":false,\"name\":\"\",\"query\":\"service:logs-rule-reducer source:paul test2\"},{\"aggregation\":\"count\",\"dataSource\":\"logs\",\"distinctFields\":[],\"groupByFields\":[],\"hasOptionalGroupByFields\":false,\"name\":\"\",\"query\":\"service:logs-rule-reducer source:paul test1\"}],\"tags\":[],\"type\":\"log_detection\"}"
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},
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"url": "https://api.datadoghq.com/api/v2/security_monitoring/rules"
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"redirectURL": "",
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"status": 200,
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"statusText": "OK"
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"startedDateTime": "2025-09-12T15:45:55.723Z",
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"time": 207
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"headersSize": 536,
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"httpVersion": "HTTP/1.1",
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"method": "DELETE",
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"queryString": [],
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"url": "https://api.datadoghq.com/api/v2/security_monitoring/rules/k0l-txb-xxx"
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},
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"statusText": "No Content"
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}
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}

‎cassettes/v2/Security-Monitoring_1187227211/Validate-a-detection-rule-with-detection-method-sequence_detection-returns-OK-response_4291746846/frozen.json‎

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"2025-09-12T15:43:48.016Z"

‎cassettes/v2/Security-Monitoring_1187227211/Validate-a-detection-rule-with-detection-method-sequence_detection-returns-OK-response_4291746846/recording.har‎

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{
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"log": {
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"_recordingName": "Security Monitoring/Validate a detection rule with detection method 'sequence_detection' returns \"OK\" response",
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"creator": {
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"comment": "persister:fs",
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"name": "Polly.JS",
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"version": "6.0.5"
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"params": [],
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"text": "{\"cases\":[{\"condition\":\"step_b > 0\",\"name\":\"\",\"notifications\":[],\"status\":\"info\"}],\"hasExtendedTitle\":true,\"isEnabled\":true,\"message\":\"My security monitoring rule\",\"name\":\"My security monitoring rule\",\"options\":{\"detectionMethod\":\"sequence_detection\",\"evaluationWindow\":0,\"keepAlive\":300,\"maxSignalDuration\":600,\"sequenceDetectionOptions\":{\"stepTransitions\":[{\"child\":\"step_b\",\"evaluationWindow\":900,\"parent\":\"step_a\"}],\"steps\":[{\"condition\":\"a > 0\",\"evaluationWindow\":60,\"name\":\"step_a\"},{\"condition\":\"b > 0\",\"evaluationWindow\":60,\"name\":\"step_b\"}]}},\"queries\":[{\"aggregation\":\"count\",\"distinctFields\":[],\"groupByFields\":[\"@userIdentity.assumed_role\"],\"name\":\"\",\"query\":\"source:source_here\"},{\"aggregation\":\"count\",\"distinctFields\":[],\"groupByFields\":[],\"name\":\"\",\"query\":\"source:source_here2\"}],\"tags\":[\"env:prod\",\"team:security\"],\"type\":\"log_detection\"}"
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},
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"queryString": [],
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"url": "https://api.datadoghq.com/api/v2/security_monitoring/rules/validation"
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}

‎examples/v2/security-monitoring/CreateSecurityMonitoringRule_2899714190.ts‎

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/**
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* Create a detection rule with detection method 'sequence_detection' returns "OK" response
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*/
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import { client, v2 } from "@datadog/datadog-api-client";
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const configuration = client.createConfiguration();
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const apiInstance = new v2.SecurityMonitoringApi(configuration);
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const params: v2.SecurityMonitoringApiCreateSecurityMonitoringRuleRequest = {
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body: {
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name: "Example-Security-Monitoring",
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type: "log_detection",
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isEnabled: true,
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queries: [
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{
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aggregation: "count",
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dataSource: "logs",
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distinctFields: [],
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groupByFields: [],
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hasOptionalGroupByFields: false,
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name: "",
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query: "service:logs-rule-reducer source:paul test2",
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},
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{
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aggregation: "count",
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dataSource: "logs",
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distinctFields: [],
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groupByFields: [],
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hasOptionalGroupByFields: false,
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name: "",
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query: "service:logs-rule-reducer source:paul test1",
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},
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],
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cases: [
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{
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name: "",
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status: "info",
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notifications: [],
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condition: "step_b > 0",
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},
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],
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message: "Logs and signals asdf",
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options: {
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detectionMethod: "sequence_detection",
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evaluationWindow: 0,
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keepAlive: 300,
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maxSignalDuration: 600,
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sequenceDetectionOptions: {
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stepTransitions: [
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{
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child: "step_b",
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evaluationWindow: 900,
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parent: "step_a",
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},
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],
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steps: [
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{
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condition: "a > 0",
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evaluationWindow: 60,
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name: "step_a",
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},
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{
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condition: "b > 0",
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evaluationWindow: 60,
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name: "step_b",
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},
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],
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},
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},
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tags: [],
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},
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};
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apiInstance
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.createSecurityMonitoringRule(params)
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.then((data: v2.SecurityMonitoringRuleResponse) => {
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console.log(
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"API called successfully. Returned data: " + JSON.stringify(data)
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);
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})
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.catch((error: any) => console.error(error));

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