diff --git a/x-pack/plugins/cases/common/ui/types.ts b/x-pack/plugins/cases/common/ui/types.ts
index b4ed4f7db177e..402e44618c7cc 100644
--- a/x-pack/plugins/cases/common/ui/types.ts
+++ b/x-pack/plugins/cases/common/ui/types.ts
@@ -255,10 +255,19 @@ export interface SignalEcs {
   threshold_result?: unknown;
 }
 
+export type SignalEcsAAD = Exclude<SignalEcs, 'rule' | 'status'> & {
+  rule?: Exclude<RuleEcs, 'id'> & { uuid: string[] };
+  building_block_type?: string[];
+  workflow_status?: string[];
+};
+
 export interface Ecs {
   _id: string;
   _index?: string;
   signal?: SignalEcs;
+  kibana?: {
+    alert: SignalEcsAAD;
+  };
 }
 
 export type CaseActionConnector = ActionConnector;
diff --git a/x-pack/plugins/cases/public/components/user_action_tree/index.tsx b/x-pack/plugins/cases/public/components/user_action_tree/index.tsx
index 92640a34548e8..24fc393715f76 100644
--- a/x-pack/plugins/cases/public/components/user_action_tree/index.tsx
+++ b/x-pack/plugins/cases/public/components/user_action_tree/index.tsx
@@ -12,8 +12,10 @@ import {
   EuiCommentList,
   EuiCommentProps,
 } from '@elastic/eui';
+import { ALERT_RULE_NAME, ALERT_RULE_UUID } from '@kbn/rule-data-utils';
+
 import classNames from 'classnames';
-import { isEmpty } from 'lodash';
+import { get, isEmpty } from 'lodash';
 import React, { useCallback, useMemo, useRef, useState, useEffect } from 'react';
 import { useParams } from 'react-router-dom';
 import styled from 'styled-components';
@@ -421,9 +423,15 @@ export const UserActionTree = React.memo(
                 }
 
                 const ruleId =
-                  comment?.rule?.id ?? manualAlertsData[alertId]?.signal?.rule?.id?.[0] ?? null;
+                  comment?.rule?.id ??
+                  manualAlertsData[alertId]?.signal?.rule?.id?.[0] ??
+                  get(manualAlertsData[alertId], ALERT_RULE_UUID)[0] ??
+                  null;
                 const ruleName =
-                  comment?.rule?.name ?? manualAlertsData[alertId]?.signal?.rule?.name?.[0] ?? null;
+                  comment?.rule?.name ??
+                  manualAlertsData[alertId]?.signal?.rule?.name?.[0] ??
+                  get(manualAlertsData[alertId], ALERT_RULE_NAME)[0] ??
+                  null;
 
                 return [
                   ...comments,
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/alerts.ts b/x-pack/plugins/security_solution/common/field_maps/alerts.ts
similarity index 98%
rename from x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/alerts.ts
rename to x-pack/plugins/security_solution/common/field_maps/alerts.ts
index 5a7ceb83baf8c..08ce8f098f6fd 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/alerts.ts
+++ b/x-pack/plugins/security_solution/common/field_maps/alerts.ts
@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import { FieldMap } from '../../../../../../rule_registry/common/field_map';
+import { FieldMap } from '../../../rule_registry/common/field_map';
 
 export const alertsFieldMap: FieldMap = {
   'kibana.alert.ancestors': {
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/field_names.ts b/x-pack/plugins/security_solution/common/field_maps/field_names.ts
similarity index 90%
rename from x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/field_names.ts
rename to x-pack/plugins/security_solution/common/field_maps/field_names.ts
index 62c20217d23f0..1cb40063202d0 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/field_names.ts
+++ b/x-pack/plugins/security_solution/common/field_maps/field_names.ts
@@ -13,6 +13,7 @@ export const ALERT_DEPTH = `${ALERT_NAMESPACE}.depth` as const;
 export const ALERT_GROUP_ID = `${ALERT_NAMESPACE}.group.id` as const;
 export const ALERT_GROUP_INDEX = `${ALERT_NAMESPACE}.group.index` as const;
 export const ALERT_ORIGINAL_TIME = `${ALERT_NAMESPACE}.original_time` as const;
+export const ALERT_THRESHOLD_RESULT = `${ALERT_NAMESPACE}.threshold_result` as const;
 
 export const ALERT_ORIGINAL_EVENT = `${ALERT_NAMESPACE}.original_event` as const;
 export const ALERT_ORIGINAL_EVENT_ACTION = `${ALERT_ORIGINAL_EVENT}.action` as const;
@@ -24,3 +25,4 @@ export const ALERT_ORIGINAL_EVENT_TYPE = `${ALERT_ORIGINAL_EVENT}.type` as const
 
 export const ALERT_RULE_THRESHOLD = `${ALERT_RULE_NAMESPACE}.threshold` as const;
 export const ALERT_RULE_THRESHOLD_FIELD = `${ALERT_RULE_THRESHOLD}.field` as const;
+export const ALERT_RULE_TIMELINE_ID = `${ALERT_RULE_NAMESPACE}.timeline_id` as const;
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/index.ts b/x-pack/plugins/security_solution/common/field_maps/index.ts
similarity index 100%
rename from x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/index.ts
rename to x-pack/plugins/security_solution/common/field_maps/index.ts
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/rules.ts b/x-pack/plugins/security_solution/common/field_maps/rules.ts
similarity index 100%
rename from x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/rules.ts
rename to x-pack/plugins/security_solution/common/field_maps/rules.ts
diff --git a/x-pack/plugins/security_solution/cypress/integration/detection_alerts/attach_to_case.spec.ts b/x-pack/plugins/security_solution/cypress/integration/detection_alerts/attach_to_case.spec.ts
index 49c2dd4b41717..e5b2c4eed3b00 100644
--- a/x-pack/plugins/security_solution/cypress/integration/detection_alerts/attach_to_case.spec.ts
+++ b/x-pack/plugins/security_solution/cypress/integration/detection_alerts/attach_to_case.spec.ts
@@ -54,6 +54,7 @@ describe('Alerts timeline', () => {
       loadDetectionsPage(ROLES.platform_engineer);
     });
 
+    // Skipping due to alerts not refreshing for platform_engineer despite being returned from API?
     it.skip('should allow a user with crud privileges to attach alerts to cases', () => {
       cy.get(TIMELINE_CONTEXT_MENU_BTN).first().click({ force: true });
       cy.get(ATTACH_ALERT_TO_CASE_BUTTON).first().should('not.be.disabled');
diff --git a/x-pack/plugins/security_solution/public/detections/components/alerts_table/actions.tsx b/x-pack/plugins/security_solution/public/detections/components/alerts_table/actions.tsx
index fb958c775e68c..213f8c78e3b8d 100644
--- a/x-pack/plugins/security_solution/public/detections/components/alerts_table/actions.tsx
+++ b/x-pack/plugins/security_solution/public/detections/components/alerts_table/actions.tsx
@@ -7,12 +7,21 @@
 
 /* eslint-disable complexity */
 
-import dateMath from '@elastic/datemath';
-import { getOr, isEmpty } from 'lodash/fp';
+import { get, getOr, isEmpty } from 'lodash/fp';
 import moment from 'moment';
-import { i18n } from '@kbn/i18n';
+
+import dateMath from '@elastic/datemath';
 
 import { FilterStateStore, Filter } from '@kbn/es-query';
+import { i18n } from '@kbn/i18n';
+import { ALERT_RULE_FROM, ALERT_RULE_TYPE, ALERT_RULE_NOTE } from '@kbn/rule-data-utils';
+
+import {
+  ALERT_ORIGINAL_TIME,
+  ALERT_GROUP_ID,
+  ALERT_RULE_TIMELINE_ID,
+  ALERT_THRESHOLD_RESULT,
+} from '../../../../common/field_maps/field_names';
 import {
   KueryFilterQueryKind,
   TimelineId,
@@ -40,6 +49,7 @@ import {
   formatTimelineResultToModel,
 } from '../../../timelines/components/open_timeline/helpers';
 import { convertKueryToElasticSearchQuery } from '../../../common/lib/keury';
+import { getField } from '../../../helpers';
 import {
   replaceTemplateFieldFromQuery,
   replaceTemplateFieldFromMatchFilters,
@@ -68,10 +78,18 @@ export const getUpdateAlertsQuery = (eventIds: Readonly<string[]>) => {
 export const getFilterAndRuleBounds = (
   data: TimelineNonEcsData[][]
 ): [string[], number, number] => {
-  const stringFilter = data?.[0].filter((d) => d.field === 'signal.rule.filters')?.[0]?.value ?? [];
+  const stringFilter =
+    data?.[0].filter(
+      (d) => d.field === 'signal.rule.filters' || d.field === 'kibana.alert.rule.filters'
+    )?.[0]?.value ?? [];
 
   const eventTimes = data
-    .flatMap((alert) => alert.filter((d) => d.field === 'signal.original_time')?.[0]?.value ?? [])
+    .flatMap(
+      (alert) =>
+        alert.filter(
+          (d) => d.field === 'signal.original_time' || d.field === 'kibana.alert.original_time'
+        )?.[0]?.value ?? []
+    )
     .map((d) => moment(d));
 
   return [stringFilter, moment.min(eventTimes).valueOf(), moment.max(eventTimes).valueOf()];
@@ -134,10 +152,9 @@ export const determineToAndFrom = ({ ecs }: { ecs: Ecs[] | Ecs }) => {
     };
   }
   const ecsData = ecs as Ecs;
+  const ruleFrom = getField(ecsData, ALERT_RULE_FROM);
   const elapsedTimeRule = moment.duration(
-    moment().diff(
-      dateMath.parse(ecsData?.signal?.rule?.from != null ? ecsData.signal?.rule?.from[0] : 'now-0s')
-    )
+    moment().diff(dateMath.parse(ruleFrom != null ? ruleFrom[0] : 'now-0s'))
   );
   const from = moment(ecsData?.timestamp ?? new Date())
     .subtract(elapsedTimeRule)
@@ -161,6 +178,7 @@ export const getThresholdAggregationData = (
   ecsData: Ecs | Ecs[],
   nonEcsData: TimelineNonEcsData[]
 ): ThresholdAggregationData => {
+  // TODO: AAD fields
   const thresholdEcsData: Ecs[] = Array.isArray(ecsData) ? ecsData : [ecsData];
   return thresholdEcsData.reduce<ThresholdAggregationData>(
     (outerAcc, thresholdData) => {
@@ -177,9 +195,14 @@ export const getThresholdAggregationData = (
       };
 
       try {
-        thresholdResult = JSON.parse((thresholdData.signal?.threshold_result as string[])[0]);
+        try {
+          thresholdResult = JSON.parse((thresholdData.signal?.threshold_result as string[])[0]);
+        } catch (err) {
+          thresholdResult = JSON.parse((get(ALERT_THRESHOLD_RESULT, thresholdData) as string[])[0]);
+        }
         aggField = JSON.parse(threshold[0]).field;
       } catch (err) {
+        // Legacy support
         thresholdResult = {
           terms: [
             {
@@ -192,13 +215,15 @@ export const getThresholdAggregationData = (
         };
       }
 
-      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-      const originalTime = moment(thresholdData.signal?.original_time![0]);
-      const now = moment();
-      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-      const ruleFrom = dateMath.parse(thresholdData.signal?.rule?.from![0]!);
-      const ruleInterval = moment.duration(now.diff(ruleFrom));
+      // Legacy support
+      const ruleFromStr = getField(thresholdData, ALERT_RULE_FROM)[0];
+      const ruleFrom = dateMath.parse(ruleFromStr) ?? moment(); // The fallback here will essentially ensure 0 results
+      const originalTimeStr = getField(thresholdData, ALERT_ORIGINAL_TIME)[0];
+      const originalTime = originalTimeStr != null ? moment(originalTimeStr) : ruleFrom;
+      const ruleInterval = moment.duration(moment().diff(ruleFrom));
       const fromOriginalTime = originalTime.clone().subtract(ruleInterval); // This is the default... can overshoot
+      // End legacy support
+
       const aggregationFields = Array.isArray(aggField) ? aggField : [aggField];
 
       return {
@@ -255,16 +280,19 @@ export const getThresholdAggregationData = (
   );
 };
 
-export const isEqlRuleWithGroupId = (ecsData: Ecs) =>
-  ecsData.signal?.rule?.type?.length &&
-  ecsData.signal?.rule?.type[0] === 'eql' &&
-  ecsData.signal?.group?.id?.length;
+export const isEqlRuleWithGroupId = (ecsData: Ecs) => {
+  const ruleType = getField(ecsData, ALERT_RULE_TYPE);
+  const groupId = getField(ecsData, ALERT_GROUP_ID);
+  return ruleType?.length && ruleType[0] === 'eql' && groupId?.length;
+};
 
-export const isThresholdRule = (ecsData: Ecs) =>
-  ecsData.signal?.rule?.type?.length && ecsData.signal?.rule?.type[0] === 'threshold';
+export const isThresholdRule = (ecsData: Ecs) => {
+  const ruleType = getField(ecsData, ALERT_RULE_TYPE);
+  return Array.isArray(ruleType) && ruleType.length && ruleType[0] === 'threshold';
+};
 
 export const buildAlertsKqlFilter = (
-  key: '_id' | 'signal.group.id',
+  key: '_id' | 'signal.group.id' | 'kibana.alert.group.id',
   alertIds: string[]
 ): Filter[] => {
   return [
@@ -283,7 +311,7 @@ export const buildAlertsKqlFilter = (
         negate: false,
         disabled: false,
         type: 'phrases',
-        key,
+        key: key.replace('signal.', 'kibana.alert.'),
         value: alertIds.join(),
         params: alertIds,
       },
@@ -383,9 +411,11 @@ export const sendAlertToTimelineAction = async ({
    */
   const ecsData: Ecs = Array.isArray(ecs) && ecs.length > 0 ? ecs[0] : (ecs as Ecs);
   const alertIds = Array.isArray(ecs) ? ecs.map((d) => d._id) : [];
-  const noteContent = ecsData.signal?.rule?.note != null ? ecsData.signal?.rule?.note[0] : '';
+  const ruleNote = getField(ecsData, ALERT_RULE_NOTE);
+  const noteContent = Array.isArray(ruleNote) && ruleNote.length > 0 ? ruleNote[0] : '';
+  const ruleTimelineId = getField(ecsData, ALERT_RULE_TIMELINE_ID);
   const timelineId =
-    ecsData.signal?.rule?.timeline_id != null ? ecsData.signal?.rule?.timeline_id[0] : '';
+    Array.isArray(ruleTimelineId) && ruleTimelineId.length > 0 ? ruleTimelineId[0] : '';
   const { to, from } = determineToAndFrom({ ecs });
 
   // For now we do not want to populate the template timeline if we have alertIds
diff --git a/x-pack/plugins/security_solution/public/detections/components/alerts_table/timeline_actions/use_add_to_case_actions.tsx b/x-pack/plugins/security_solution/public/detections/components/alerts_table/timeline_actions/use_add_to_case_actions.tsx
index e14c3e916a35e..a342b01b038ca 100644
--- a/x-pack/plugins/security_solution/public/detections/components/alerts_table/timeline_actions/use_add_to_case_actions.tsx
+++ b/x-pack/plugins/security_solution/public/detections/components/alerts_table/timeline_actions/use_add_to_case_actions.tsx
@@ -8,7 +8,7 @@
 import { useMemo } from 'react';
 import { useGetUserCasesPermissions, useKibana } from '../../../../common/lib/kibana';
 import { TimelineId, TimelineNonEcsData } from '../../../../../common';
-import { APP_UI_ID } from '../../../../../common/constants';
+import { APP_ID } from '../../../../../common/constants';
 import { useInsertTimeline } from '../../../../cases/components/use_insert_timeline';
 import { Ecs } from '../../../../../common/ecs';
 
@@ -39,7 +39,7 @@ export const useAddToCaseActions = ({
             event: { data: nonEcsData ?? [], ecs: ecsData, _id: ecsData?._id },
             useInsertTimeline: insertTimelineHook,
             casePermissions,
-            appId: APP_UI_ID,
+            appId: APP_ID,
             onClose: afterCaseSelection,
           }
         : null,
diff --git a/x-pack/plugins/security_solution/public/helpers.tsx b/x-pack/plugins/security_solution/public/helpers.tsx
index 066e6a4cb4684..f160d293dd475 100644
--- a/x-pack/plugins/security_solution/public/helpers.tsx
+++ b/x-pack/plugins/security_solution/public/helpers.tsx
@@ -5,7 +5,8 @@
  * 2.0.
  */
 
-import { isEmpty } from 'lodash/fp';
+import { ALERT_RULE_UUID } from '@kbn/rule-data-utils';
+import { get, isEmpty } from 'lodash/fp';
 import React from 'react';
 import { matchPath, RouteProps, Redirect } from 'react-router-dom';
 
@@ -22,6 +23,7 @@ import {
   OVERVIEW_PATH,
   CASES_PATH,
 } from '../common/constants';
+import { Ecs } from '../common/ecs';
 import {
   FactoryQueryTypes,
   StrategyResponseType,
@@ -208,3 +210,27 @@ export const RedirectRoute = React.memo<{ capabilities: Capabilities }>(({ capab
   return <Redirect to={OVERVIEW_PATH} />;
 });
 RedirectRoute.displayName = 'RedirectRoute';
+
+const siemSignalsFieldMappings: Record<string, string> = {
+  [ALERT_RULE_UUID]: 'signal.rule.id',
+};
+
+const alertFieldMappings: Record<string, string> = {
+  'signal.rule.id': ALERT_RULE_UUID,
+};
+
+/*
+ * Deprecation notice: This functionality should be removed when support for signal.* is no longer
+ * supported.
+ *
+ * Selectively returns the AAD field value (kibana.alert.*) or the legacy field value
+ * (signal.*), whichever is present. For backwards compatibility.
+ */
+export const getField = (ecsData: Ecs, field: string) => {
+  const aadField = (alertFieldMappings[field] ?? field).replace('signal', 'kibana.alert');
+  const siemSignalsField = (siemSignalsFieldMappings[field] ?? field).replace(
+    'kibana.alert',
+    'signal'
+  );
+  return get(aadField, ecsData) ?? get(siemSignalsField, ecsData);
+};
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/__mocks__/threshold.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/__mocks__/threshold.ts
index 73029689deb19..e7ab48e807d54 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/__mocks__/threshold.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/__mocks__/threshold.ts
@@ -27,12 +27,12 @@ import { TypeOfFieldMap } from '../../../../../../rule_registry/common/field_map
 import { SERVER_APP_ID } from '../../../../../common/constants';
 import { ANCHOR_DATE } from '../../../../../common/detection_engine/schemas/response/rules_schema.mocks';
 import { getListArrayMock } from '../../../../../common/detection_engine/schemas/types/lists.mock';
-import { RulesFieldMap } from '../field_maps';
+import { RulesFieldMap } from '../../../../../common/field_maps';
 import {
   ALERT_ANCESTORS,
   ALERT_ORIGINAL_TIME,
   ALERT_ORIGINAL_EVENT,
-} from '../field_maps/field_names';
+} from '../../../../../common/field_maps/field_names';
 import { WrappedRACAlert } from '../types';
 
 export const mockThresholdResults = {
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert.test.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert.test.ts
index 39ee8788d3ee0..d6bad86456493 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert.test.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert.test.ts
@@ -31,14 +31,14 @@ import {
   ANCHOR_DATE,
 } from '../../../../../../common/detection_engine/schemas/response/rules_schema.mocks';
 import { getListArrayMock } from '../../../../../../common/detection_engine/schemas/types/lists.mock';
+import { SERVER_APP_ID } from '../../../../../../common/constants';
+import { EVENT_DATASET } from '../../../../../../common/cti/constants';
 import {
   ALERT_ANCESTORS,
+  ALERT_ORIGINAL_TIME,
   ALERT_DEPTH,
   ALERT_ORIGINAL_EVENT,
-  ALERT_ORIGINAL_TIME,
-} from '../../field_maps/field_names';
-import { SERVER_APP_ID } from '../../../../../../common/constants';
-import { EVENT_DATASET } from '../../../../../../common/cti/constants';
+} from '../../../../../../common/field_maps/field_names';
 
 type SignalDoc = SignalSourceHit & {
   _source: Required<SignalSourceHit>['_source'] & { [TIMESTAMP]: string };
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert.ts
index bfd79d67bb74d..bf07d2bb8515f 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert.ts
@@ -29,14 +29,14 @@ import {
   isWrappedSignalHit,
 } from '../../../signals/utils';
 import { RACAlert } from '../../types';
+import { SERVER_APP_ID } from '../../../../../../common/constants';
+import { SearchTypes } from '../../../../telemetry/types';
 import {
   ALERT_ANCESTORS,
   ALERT_DEPTH,
-  ALERT_ORIGINAL_EVENT,
   ALERT_ORIGINAL_TIME,
-} from '../../field_maps/field_names';
-import { SERVER_APP_ID } from '../../../../../../common/constants';
-import { SearchTypes } from '../../../../telemetry/types';
+  ALERT_ORIGINAL_EVENT,
+} from '../../../../../../common/field_maps/field_names';
 
 export const generateAlertId = (alert: RACAlert) => {
   return createHash('sha256')
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert_group_from_sequence.test.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert_group_from_sequence.test.ts
index 3f6d419e6ddd0..86b57b1ed1698 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert_group_from_sequence.test.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert_group_from_sequence.test.ts
@@ -11,15 +11,15 @@ import { ALERT_RULE_CONSUMER } from '@kbn/rule-data-utils';
 
 import { sampleDocNoSortId, sampleRuleGuid } from '../../../signals/__mocks__/es_results';
 import { buildAlertGroupFromSequence } from './build_alert_group_from_sequence';
+import { SERVER_APP_ID } from '../../../../../../common/constants';
+import { getCompleteRuleMock, getQueryRuleParams } from '../../../schemas/rule_schemas.mock';
+import { QueryRuleParams } from '../../../schemas/rule_schemas';
 import {
   ALERT_ANCESTORS,
-  ALERT_BUILDING_BLOCK_TYPE,
   ALERT_DEPTH,
+  ALERT_BUILDING_BLOCK_TYPE,
   ALERT_GROUP_ID,
-} from '../../field_maps/field_names';
-import { SERVER_APP_ID } from '../../../../../../common/constants';
-import { getCompleteRuleMock, getQueryRuleParams } from '../../../schemas/rule_schemas.mock';
-import { QueryRuleParams } from '../../../schemas/rule_schemas';
+} from '../../../../../../common/field_maps/field_names';
 
 const SPACE_ID = 'space';
 
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert_group_from_sequence.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert_group_from_sequence.ts
index 451f322f72799..23958451800b0 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert_group_from_sequence.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/build_alert_group_from_sequence.ts
@@ -19,12 +19,12 @@ import { EqlSequence } from '../../../../../../common/detection_engine/types';
 import { generateBuildingBlockIds } from './generate_building_block_ids';
 import { objectArrayIntersection } from '../../../signals/build_bulk_body';
 import { BuildReasonMessage } from '../../../signals/reason_formatters';
+import { CompleteRule, RuleParams } from '../../../schemas/rule_schemas';
 import {
   ALERT_BUILDING_BLOCK_TYPE,
   ALERT_GROUP_ID,
   ALERT_GROUP_INDEX,
-} from '../../field_maps/field_names';
-import { CompleteRule, RuleParams } from '../../../schemas/rule_schemas';
+} from '../../../../../../common/field_maps/field_names';
 
 /**
  * Takes N raw documents from ES that form a sequence and builds them into N+1 signals ready to be indexed -
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/generate_building_block_ids.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/generate_building_block_ids.ts
index 84e7f9e3ecef2..a603946b03d3b 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/generate_building_block_ids.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/factories/utils/generate_building_block_ids.ts
@@ -7,8 +7,8 @@
 
 import { ALERT_RULE_UUID } from '@kbn/rule-data-utils';
 import { createHash } from 'crypto';
+import { ALERT_ANCESTORS } from '../../../../../../common/field_maps/field_names';
 import { Ancestor } from '../../../signals/types';
-import { ALERT_ANCESTORS } from '../../field_maps/field_names';
 import { RACAlert } from '../../types';
 
 /**
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/types.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/types.ts
index 89c01f65b4156..d5b4d1f1eec77 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/types.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/types.ts
@@ -33,9 +33,9 @@ import {
   WrapHits,
   WrapSequences,
 } from '../signals/types';
-import { AlertsFieldMap, RulesFieldMap } from './field_maps';
 import { ExperimentalFeatures } from '../../../../common/experimental_features';
 import { IEventLogService } from '../../../../../event_log/server';
+import { AlertsFieldMap, RulesFieldMap } from '../../../../common/field_maps';
 
 export interface SecurityAlertTypeReturnValue<TState extends AlertTypeState> {
   bulkCreateTimes: string[];
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/signals/threshold/build_signal_history.test.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/signals/threshold/build_signal_history.test.ts
index 8362942af15b9..dbf2fb7feac2a 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/signals/threshold/build_signal_history.test.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/signals/threshold/build_signal_history.test.ts
@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import { ALERT_ORIGINAL_TIME } from '../../rule_types/field_maps/field_names';
+import { ALERT_ORIGINAL_TIME } from '../../../../../common/field_maps/field_names';
 import { sampleThresholdAlert } from '../../rule_types/__mocks__/threshold';
 import { buildThresholdSignalHistory } from './build_signal_history';
 
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/signals/threshold/build_signal_history.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/signals/threshold/build_signal_history.ts
index e5c21edbc9350..b959f3de47a8a 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/signals/threshold/build_signal_history.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/signals/threshold/build_signal_history.ts
@@ -7,9 +7,9 @@
 
 import { SearchHit } from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
 import {
-  ALERT_ORIGINAL_TIME,
   ALERT_RULE_THRESHOLD_FIELD,
-} from '../../rule_types/field_maps/field_names';
+  ALERT_ORIGINAL_TIME,
+} from '../../../../../common/field_maps/field_names';
 
 import { SimpleHit, ThresholdSignalHistory } from '../types';
 import { getThresholdTermsHash, isWrappedRACAlert, isWrappedSignalHit } from '../utils';
diff --git a/x-pack/plugins/security_solution/server/plugin.ts b/x-pack/plugins/security_solution/server/plugin.ts
index 307ccf4cfc977..2725743f76e75 100644
--- a/x-pack/plugins/security_solution/server/plugin.ts
+++ b/x-pack/plugins/security_solution/server/plugin.ts
@@ -64,8 +64,6 @@ import { licenseService } from './lib/license';
 import { PolicyWatcher } from './endpoint/lib/policy/license_watch';
 import { migrateArtifactsToFleet } from './endpoint/lib/artifacts/migrate_artifacts_to_fleet';
 import aadFieldConversion from './lib/detection_engine/routes/index/signal_aad_mapping.json';
-import { alertsFieldMap } from './lib/detection_engine/rule_types/field_maps/alerts';
-import { rulesFieldMap } from './lib/detection_engine/rule_types/field_maps/rules';
 import { registerEventLogProvider } from './lib/detection_engine/rule_execution_log/event_log_adapter/register_event_log_provider';
 import { getKibanaPrivilegesFeaturePrivileges, getCasesKibanaFeature } from './features';
 import { EndpointMetadataService } from './endpoint/services/metadata';
@@ -88,6 +86,7 @@ import type {
   SecuritySolutionPluginStart,
   PluginInitializerContext,
 } from './plugin_contract';
+import { alertsFieldMap, rulesFieldMap } from '../common/field_maps';
 
 export { SetupPlugins, StartPlugins, PluginSetup, PluginStart } from './plugin_contract';
 
diff --git a/x-pack/plugins/timelines/public/hooks/use_add_to_case.ts b/x-pack/plugins/timelines/public/hooks/use_add_to_case.ts
index d15b4e6980767..34622423781f9 100644
--- a/x-pack/plugins/timelines/public/hooks/use_add_to_case.ts
+++ b/x-pack/plugins/timelines/public/hooks/use_add_to_case.ts
@@ -126,7 +126,7 @@ export const useAddToCase = ({
     }
   }, [event]);
   const isSecurityAlert = useMemo(() => {
-    return !isEmpty(event?.ecs.signal?.rule?.id);
+    return !isEmpty(event?.ecs.signal?.rule?.id ?? event?.ecs.kibana?.alert?.rule?.uuid);
   }, [event]);
   const isEventSupported = isSecurityAlert || isAlert;
   const userCanCrud = casePermissions?.crud ?? false;
diff --git a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/create_ml.ts b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/create_ml.ts
index 6cfc21306d0a6..9e0aff09c84c8 100644
--- a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/create_ml.ts
+++ b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/create_ml.ts
@@ -37,7 +37,7 @@ import {
   ALERT_ANCESTORS,
   ALERT_DEPTH,
   ALERT_ORIGINAL_TIME,
-} from '../../../../plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/field_names';
+} from '../../../../plugins/security_solution/common/field_maps/field_names';
 
 // eslint-disable-next-line import/no-default-export
 export default ({ getService }: FtrProviderContext) => {
diff --git a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/create_threat_matching.ts b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/create_threat_matching.ts
index dcfdfb7bbd9bc..250f6cf1d0b83 100644
--- a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/create_threat_matching.ts
+++ b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/create_threat_matching.ts
@@ -41,6 +41,7 @@ import {
 import { getCreateThreatMatchRulesSchemaMock } from '../../../../plugins/security_solution/common/detection_engine/schemas/request/rule_schemas.mock';
 import { getThreatMatchingSchemaPartialMock } from '../../../../plugins/security_solution/common/detection_engine/schemas/response/rules_schema.mocks';
 import { ENRICHMENT_TYPES } from '../../../../plugins/security_solution/common/cti/constants';
+import { Ancestor } from '../../../../plugins/security_solution/server/lib/detection_engine/signals/types';
 import {
   ALERT_ANCESTORS,
   ALERT_DEPTH,
@@ -48,8 +49,7 @@ import {
   ALERT_ORIGINAL_EVENT_CATEGORY,
   ALERT_ORIGINAL_EVENT_MODULE,
   ALERT_ORIGINAL_TIME,
-} from '../../../../plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/field_names';
-import { Ancestor } from '../../../../plugins/security_solution/server/lib/detection_engine/signals/types';
+} from '../../../../plugins/security_solution/common/field_maps/field_names';
 
 const format = (value: unknown): string => JSON.stringify(value, null, 2);
 
diff --git a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/generating_signals.ts b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/generating_signals.ts
index 2977037a9523f..876a1a9d6dca1 100644
--- a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/generating_signals.ts
+++ b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/generating_signals.ts
@@ -46,15 +46,15 @@ import {
   waitForRuleSuccessOrStatus,
   waitForSignalsToBePresent,
 } from '../../utils';
+import { Ancestor } from '../../../../plugins/security_solution/server/lib/detection_engine/signals/types';
 import {
   ALERT_ANCESTORS,
   ALERT_DEPTH,
-  ALERT_GROUP_ID,
+  ALERT_ORIGINAL_TIME,
   ALERT_ORIGINAL_EVENT,
   ALERT_ORIGINAL_EVENT_CATEGORY,
-  ALERT_ORIGINAL_TIME,
-} from '../../../../plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/field_names';
-import { Ancestor } from '../../../../plugins/security_solution/server/lib/detection_engine/signals/types';
+  ALERT_GROUP_ID,
+} from '../../../../plugins/security_solution/common/field_maps/field_names';
 
 /**
  * Specific _id to use for some of the tests. If the archiver changes and you see errors
diff --git a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/timestamps.ts b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/timestamps.ts
index f4b91cae36448..01543fc59e47f 100644
--- a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/timestamps.ts
+++ b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/timestamps.ts
@@ -11,7 +11,7 @@ import {
   EqlCreateSchema,
   QueryCreateSchema,
 } from '../../../../plugins/security_solution/common/detection_engine/schemas/request';
-import { ALERT_ORIGINAL_TIME } from '../../../../plugins/security_solution/server/lib/detection_engine/rule_types/field_maps/field_names';
+import { ALERT_ORIGINAL_TIME } from '../../../../plugins/security_solution/common/field_maps/field_names';
 
 import { FtrProviderContext } from '../../common/ftr_provider_context';
 import {