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    Collect Tenable CSPM logs

    Supported in:

    This document explains how to ingest Tenable CSPM logs to Google Security Operations using Google Cloud Storage V2.

    Tenable CSPM (Cloud Security Posture Management) is a cloud security platform for misconfiguration detection and compliance monitoring across cloud environments. A Cloud Run function polls the Tenable CSPM API on a schedule, writes findings to a GCS bucket in NDJSON format, and Google SecOps ingests them through a GCS V2 feed.

    Before you begin

    Make sure that you have the following prerequisites:

    • A Google SecOps instance
    • A GCP project with Cloud Storage API enabled
    • Permissions to create and manage GCS buckets
    • Permissions to manage IAM policies on GCS buckets
    • Permissions to create Cloud Run services, Pub/Sub topics, and Cloud Scheduler jobs
    • Privileged access to Tenable Cloud Security console with administrator permissions

    Create Google Cloud Storage bucket

    1. Go to the Google Cloud Console .
    2. Select your project or create a new one.
    3. In the navigation menu, go to Cloud Storage > Buckets.
    4. Click Create bucket.

    5. Provide the following configuration details:

      Setting Value
      Name your bucket Enter a globally unique name (for example, tenable-cspm-logs )
      Location type Choose based on your needs (Region, Dual-region, Multi-region)
      Location Select the location (for example, us-central1 )
      Storage class Standard (recommended for frequently accessed logs)
      Access control Uniform (recommended)
      Protection tools Optional: Enable object versioning or retention policy

    6. Click Create.

    Collect Tenable CSPM API credentials

    Generate API keys

    1. Sign in to the Tenable Cloud Security console as an administrator.
    2. Go to Settings > API Keys.
    3. Click Generateto create a new API key pair.
    4. Copy and save the following details in a secure location:
      • Access Key: The API access key for authentication.
      • Secret Key: The API secret key for authentication.

    Verify permissions

    To verify the account has the required permissions:

    1. Sign in to the Tenable Cloud Security console.
    2. Go to Findingsor Compliance > Reports.
    3. If you can see findings data, you have the required permissions.
    4. If you cannot see this option, contact your Tenable administrator to grant administrator access.

    Test API access

    • Test your credentials before proceeding with the integration:

        # Replace with your actual credentials 
 ACCESS_KEY 
 = 
 "your-access-key" 
 SECRET_KEY 
 = 
 "your-secret-key" 
 # Test API access 
curl  
-v  
-H  
 "X-ApiKeys: accessKey= 
 ${ 
 ACCESS_KEY 
 } 
 ;secretKey= 
 ${ 
 SECRET_KEY 
 } 
 " 
  
 \ 
  
 "https://cloud.tenable.com/cspm/v1/findings?limit=1"

    The Cloud Run function needs a service account with permissions to write to GCS bucket and be invoked by Pub/Sub.

    1. In the GCP Console, go to IAM & Admin > Service Accounts.
    2. Click Create Service Account.
    3. Provide the following configuration details:
      • Service account name: Enter tenable-cspm-collector-sa .
      • Service account description: Enter Service account for Cloud Run function to collect Tenable CSPM logs .
    4. Click Create and Continue.
    5. In the Grant this service account access to projectsection, add the following roles:
      1. Click Select a role.
      2. Search for and select Storage Object Admin.
      3. Click + Add another role.
      4. Search for and select Cloud Run Invoker.
      5. Click + Add another role.
      6. Search for and select Cloud Functions Invoker.
    6. Click Continue.
    7. Click Done.

    These roles are required for:

    • Storage Object Admin: Write logs to GCS bucket and manage state files
    • Cloud Run Invoker: Allow Pub/Sub to invoke the function
    • Cloud Functions Invoker: Allow function invocation

    Grant IAM permissions on GCS bucket

    Grant the service account write permissions on the GCS bucket:

    1. Go to Cloud Storage > Buckets.
    2. Click your bucket name (for example, tenable-cspm-logs ).
    3. Go to the Permissionstab.
    4. Click Grant access.
    5. Provide the following configuration details:
      • Add principals: Enter the service account email (for example, tenable-cspm-collector-sa@your-project.iam.gserviceaccount.com ).
      • Assign roles: Select Storage Object Admin.
    6. Click Save.

    Create Pub/Sub topic

    Create a Pub/Sub topic that Cloud Scheduler will publish to and the Cloud Run function will subscribe to.

    1. In the GCP Console, go to Pub/Sub > Topics.
    2. Click Create topic.
    3. Provide the following configuration details:
      • Topic ID: Enter tenable-cspm-trigger .
      • Leave other settings as default.
    4. Click Create.

    Create Cloud Run function to collect logs

    The Cloud Run function will be triggered by Pub/Sub messages from Cloud Scheduler to fetch findings from Tenable CSPM API and write them to GCS.

    1. In the GCP Console, go to Cloud Run.
    2. Click Create service.
    3. Select Function(use an inline editor to create a function).

    4. In the Configuresection, provide the following configuration details:

      Setting Value
      Service name tenable-cspm-collector
      Region Select region matching your GCS bucket (for example, us-central1 )
      Runtime Select Python 3.12or later

    5. In the Trigger (optional)section:

      1. Click + Add trigger.
      2. Select Cloud Pub/Sub.
      3. In Select a Cloud Pub/Sub topic, choose the topic tenable-cspm-trigger .
      4. Click Save.

    6. In the Authenticationsection:

      1. Select Require authentication.
      2. Check Identity and Access Management (IAM).

    7. Scroll down and expand Containers, Networking, Security.

    8. Go to the Securitytab:

      • Service account: Select the service account tenable-cspm-collector-sa .

    9. Go to the Containerstab:

      1. Click Variables & Secrets.
      2. Click + Add variablefor each environment variable:
      Variable Name Example Value Description
      GCS_BUCKET
      		tenable-cspm-logs GCS bucket name
      GCS_PREFIX
      		tenable-cspm Prefix for log files
      STATE_KEY
      		tenable-cspm/state.json State file path
      TENABLE_ACCESS_KEY
      		your-access-key Tenable API access key
      TENABLE_SECRET_KEY
      		your-secret-key Tenable API secret key
      MAX_RECORDS
      		10000 Max records per run
      PAGE_SIZE
      		1000 Records per page
      LOOKBACK_HOURS
      		24 Initial lookback period

    10. Scroll down in the Variables & Secretstab to Requests:

      • Request timeout: Enter 600 seconds (10 minutes).

    11. Go to the Settingstab in Containers:

      • In the Resourcessection:
        • Memory: Select 512 MiBor higher.
        • CPU: Select 1.
      • Click Done.

    12. Scroll down to Execution environment:

      • Select Default(recommended).

    13. In the Revision scalingsection:

      • Minimum number of instances: Enter 0 .
      • Maximum number of instances: Enter 100 (or adjust based on expected load).

    14. Click Create.

    15. Wait for the service to be created (1-2 minutes).

    16. After the service is created, the inline code editorwill open automatically.

    Add function code

    1. Enter mainin Function entry point.

    2. In the inline code editor, create two files:

      • First file main.py:
        import 
  
 functions_framework 
 from 
  
 google.cloud 
  
 import 
  storage 
 
 import 
  
 json 
 import 
  
 os 
 import 
  
 urllib3 
 from 
  
 datetime 
  
 import 
 datetime 
 , 
 timezone 
 , 
 timedelta 
 import 
  
 time 
 # Initialize HTTP client with timeouts 
 http 
 = 
 urllib3 
 . 
 PoolManager 
 ( 
 timeout 
 = 
 urllib3 
 . 
 Timeout 
 ( 
 connect 
 = 
 5.0 
 , 
 read 
 = 
 30.0 
 ), 
 retries 
 = 
 False 
 , 
 ) 
 # Initialize Storage client 
 storage_client 
 = 
  storage 
 
 . 
  Client 
 
 () 
 # Environment variables 
 GCS_BUCKET 
 = 
 os 
 . 
 environ 
 . 
 get 
 ( 
 'GCS_BUCKET' 
 ) 
 GCS_PREFIX 
 = 
 os 
 . 
 environ 
 . 
 get 
 ( 
 'GCS_PREFIX' 
 , 
 'tenable-cspm' 
 ) 
 STATE_KEY 
 = 
 os 
 . 
 environ 
 . 
 get 
 ( 
 'STATE_KEY' 
 , 
 'tenable-cspm/state.json' 
 ) 
 ACCESS_KEY 
 = 
 os 
 . 
 environ 
 . 
 get 
 ( 
 'TENABLE_ACCESS_KEY' 
 ) 
 SECRET_KEY 
 = 
 os 
 . 
 environ 
 . 
 get 
 ( 
 'TENABLE_SECRET_KEY' 
 ) 
 MAX_RECORDS 
 = 
 int 
 ( 
 os 
 . 
 environ 
 . 
 get 
 ( 
 'MAX_RECORDS' 
 , 
 '10000' 
 )) 
 PAGE_SIZE 
 = 
 int 
 ( 
 os 
 . 
 environ 
 . 
 get 
 ( 
 'PAGE_SIZE' 
 , 
 '1000' 
 )) 
 LOOKBACK_HOURS 
 = 
 int 
 ( 
 os 
 . 
 environ 
 . 
 get 
 ( 
 'LOOKBACK_HOURS' 
 , 
 '24' 
 )) 
 API_BASE 
 = 
 'https://cloud.tenable.com' 
 def 
  
 parse_datetime 
 ( 
 value 
 : 
 str 
 ) 
 - 
> datetime 
 : 
  
 """Parse ISO datetime string to datetime object.""" 
 if 
 value 
 . 
 endswith 
 ( 
 "Z" 
 ): 
 value 
 = 
 value 
 [: 
 - 
 1 
 ] 
 + 
 "+00:00" 
 return 
 datetime 
 . 
 fromisoformat 
 ( 
 value 
 ) 
 @functions_framework 
 . 
 cloud_event 
 def 
  
 main 
 ( 
 cloud_event 
 ): 
  
 """ 
 Cloud Run function triggered by Pub/Sub to fetch Tenable CSPM 
 findings and write to GCS. 
 Args: 
 cloud_event: CloudEvent object containing Pub/Sub message 
 """ 
 if 
 not 
 all 
 ([ 
 GCS_BUCKET 
 , 
 ACCESS_KEY 
 , 
 SECRET_KEY 
 ]): 
 print 
 ( 
 'Error: Missing required environment variables' 
 ) 
 return 
 try 
 : 
 bucket 
 = 
 storage_client 
 . 
  bucket 
 
 ( 
 GCS_BUCKET 
 ) 
 # Load state 
 state 
 = 
 load_state 
 ( 
 bucket 
 , 
 STATE_KEY 
 ) 
 # Determine time window 
 now 
 = 
 datetime 
 . 
 now 
 ( 
 timezone 
 . 
 utc 
 ) 
 last_time 
 = 
 None 
 if 
 isinstance 
 ( 
 state 
 , 
 dict 
 ) 
 and 
  state 
 
 . 
 get 
 ( 
 "last_event_time" 
 ): 
 try 
 : 
 last_time 
 = 
 parse_datetime 
 ( 
 state 
 [ 
 "last_event_time" 
 ]) 
 last_time 
 = 
 last_time 
 - 
 timedelta 
 ( 
 minutes 
 = 
 2 
 ) 
 except 
 Exception 
 as 
 e 
 : 
 print 
 ( 
 f 
 "Warning: Could not parse last_event_time: 
 { 
 e 
 } 
 " 
 ) 
 if 
 last_time 
 is 
 None 
 : 
 last_time 
 = 
 now 
 - 
 timedelta 
 ( 
 hours 
 = 
 LOOKBACK_HOURS 
 ) 
 print 
 ( 
 f 
 "Fetching findings from 
 { 
 last_time 
 . 
 isoformat 
 () 
 } 
 to 
 { 
 now 
 . 
 isoformat 
 () 
 } 
 " 
 ) 
 # Fetch findings 
 records 
 , 
 newest_event_time 
 = 
 fetch_findings 
 ( 
 start_time 
 = 
 last_time 
 , 
 end_time 
 = 
 now 
 , 
 page_size 
 = 
 PAGE_SIZE 
 , 
 max_records 
 = 
 MAX_RECORDS 
 , 
 ) 
 if 
 not 
 records 
 : 
 print 
 ( 
 "No new findings found." 
 ) 
 save_state 
 ( 
 bucket 
 , 
 STATE_KEY 
 , 
 now 
 . 
 isoformat 
 ()) 
 return 
 # Write to GCS as NDJSON 
 timestamp 
 = 
 now 
 . 
 strftime 
 ( 
 '%Y%m 
 %d 
 _%H%M%S' 
 ) 
 object_key 
 = 
 f 
 " 
 { 
 GCS_PREFIX 
 } 
 /findings_ 
 { 
 timestamp 
 } 
 .ndjson" 
 blob 
 = 
 bucket 
 . 
 blob 
 ( 
 object_key 
 ) 
 ndjson 
 = 
 ' 
 \n 
 ' 
 . 
 join 
 ([ 
 json 
 . 
 dumps 
 ( 
 record 
 , 
 ensure_ascii 
 = 
 False 
 ) 
 for 
 record 
 in 
 records 
 ]) 
 + 
 ' 
 \n 
 ' 
 blob 
 . 
  upload_from_string 
 
 ( 
 ndjson 
 , 
 content_type 
 = 
 'application/x-ndjson' 
 ) 
 print 
 ( 
 f 
 "Wrote 
 { 
 len 
 ( 
 records 
 ) 
 } 
 records to gs:// 
 { 
 GCS_BUCKET 
 } 
 / 
 { 
 object_key 
 } 
 " 
 ) 
 # Update state with newest event time 
 if 
 newest_event_time 
 : 
 save_state 
 ( 
 bucket 
 , 
 STATE_KEY 
 , 
 newest_event_time 
 ) 
 else 
 : 
 save_state 
 ( 
 bucket 
 , 
 STATE_KEY 
 , 
 now 
 . 
 isoformat 
 ()) 
 print 
 ( 
 f 
 "Successfully processed 
 { 
 len 
 ( 
 records 
 ) 
 } 
 records" 
 ) 
 except 
 Exception 
 as 
 e 
 : 
 print 
 ( 
 f 
 'Error processing findings: 
 { 
 str 
 ( 
 e 
 ) 
 } 
 ' 
 ) 
 raise 
 def 
  
 load_state 
 ( 
 bucket 
 , 
 key 
 ): 
  
 """Load state from GCS.""" 
 try 
 : 
 blob 
 = 
 bucket 
 . 
 blob 
 ( 
 key 
 ) 
 if 
 blob 
 . 
 exists 
 (): 
 state_data 
 = 
 blob 
 . 
  download_as_text 
 
 () 
 return 
 json 
 . 
 loads 
 ( 
 state_data 
 ) 
 except 
 Exception 
 as 
 e 
 : 
 print 
 ( 
 f 
 "Warning: Could not load state: 
 { 
 e 
 } 
 " 
 ) 
 return 
 {} 
 def 
  
 save_state 
 ( 
 bucket 
 , 
 key 
 , 
 last_event_time_iso 
 : 
 str 
 ): 
  
 """Save the last event timestamp to GCS state file.""" 
 try 
 : 
 state 
 = 
 { 
 'last_event_time' 
 : 
 last_event_time_iso 
 } 
 blob 
 = 
 bucket 
 . 
 blob 
 ( 
 key 
 ) 
 blob 
 . 
  upload_from_string 
 
 ( 
 json 
 . 
 dumps 
 ( 
 state 
 , 
 indent 
 = 
 2 
 ), 
 content_type 
 = 
 'application/json' 
 ) 
 print 
 ( 
 f 
 "Saved state: last_event_time= 
 { 
 last_event_time_iso 
 } 
 " 
 ) 
 except 
 Exception 
 as 
 e 
 : 
 print 
 ( 
 f 
 "Warning: Could not save state: 
 { 
 e 
 } 
 " 
 ) 
 def 
  
 fetch_findings 
 ( 
 start_time 
 : 
 datetime 
 , 
 end_time 
 : 
 datetime 
 , 
 page_size 
 : 
 int 
 , 
 max_records 
 : 
 int 
 ): 
  
 """ 
 Fetch findings from Tenable CSPM API with pagination and rate limiting. 
 Args: 
 start_time: Start time for findings query 
 end_time: End time for findings query 
 page_size: Number of records per page 
 max_records: Maximum total records to fetch 
 Returns: 
 Tuple of (records list, newest_event_time ISO string) 
 """ 
 endpoint 
 = 
 f 
 " 
 { 
 API_BASE 
 } 
 /cspm/v1/findings" 
 headers 
 = 
 { 
 'X-ApiKeys' 
 : 
 f 
 'accessKey= 
 { 
 ACCESS_KEY 
 } 
 ;secretKey= 
 { 
 SECRET_KEY 
 } 
 ' 
 , 
 'Accept' 
 : 
 'application/json' 
 , 
 'User-Agent' 
 : 
 'GoogleSecOps-TenableCSPMCollector/1.0' 
 } 
 records 
 = 
 [] 
 newest_time 
 = 
 None 
 page_num 
 = 
 0 
 backoff 
 = 
 1.0 
 offset 
 = 
 0 
 while 
 True 
 : 
 page_num 
 += 
 1 
 if 
 len 
 ( 
 records 
 ) 
> = 
 max_records 
 : 
 print 
 ( 
 f 
 "Reached max_records limit ( 
 { 
 max_records 
 } 
 )" 
 ) 
 break 
 current_limit 
 = 
 min 
 ( 
 page_size 
 , 
 max_records 
 - 
 len 
 ( 
 records 
 )) 
 url 
 = 
 f 
 " 
 { 
 endpoint 
 } 
 ?limit= 
 { 
 current_limit 
 } 
& offset= 
 { 
 offset 
 } 
 " 
 try 
 : 
 response 
 = 
 http 
 . 
 request 
 ( 
 'GET' 
 , 
 url 
 , 
 headers 
 = 
 headers 
 ) 
 # Handle rate limiting with exponential backoff 
 if 
 response 
 . 
 status 
 == 
 429 
 : 
 retry_after 
 = 
 int 
 ( 
 response 
 . 
 headers 
 . 
 get 
 ( 
 'Retry-After' 
 , 
 str 
 ( 
 int 
 ( 
 backoff 
 )))) 
 print 
 ( 
 f 
 "Rate limited (429). Retrying after 
 { 
 retry_after 
 } 
 s..." 
 ) 
 time 
 . 
 sleep 
 ( 
 retry_after 
 ) 
 backoff 
 = 
 min 
 ( 
 backoff 
 * 
 2 
 , 
 30.0 
 ) 
 continue 
 backoff 
 = 
 1.0 
 if 
 response 
 . 
 status 
 != 
 200 
 : 
 print 
 ( 
 f 
 "HTTP Error: 
 { 
 response 
 . 
 status 
 } 
 " 
 ) 
 response_text 
 = 
 response 
 . 
 data 
 . 
 decode 
 ( 
 'utf-8' 
 ) 
 print 
 ( 
 f 
 "Response body: 
 { 
 response_text 
 } 
 " 
 ) 
 return 
 [], 
 None 
 data 
 = 
 json 
 . 
 loads 
 ( 
 response 
 . 
 data 
 . 
 decode 
 ( 
 'utf-8' 
 )) 
 page_results 
 = 
 data 
 if 
 isinstance 
 ( 
 data 
 , 
 list 
 ) 
 else 
 data 
 . 
 get 
 ( 
 'findings' 
 , 
 data 
 . 
 get 
 ( 
 'data' 
 , 
 [])) 
 if 
 not 
 page_results 
 : 
 print 
 ( 
 f 
 "No more results (empty page)" 
 ) 
 break 
 # Filter by time window 
 filtered 
 = 
 [] 
 for 
 finding 
 in 
 page_results 
 : 
 status_time 
 = 
 finding 
 . 
 get 
 ( 
 'statusUpdateTime' 
 ) 
 or 
 finding 
 . 
 get 
 ( 
 'createdAt' 
 ) 
 or 
 finding 
 . 
 get 
 ( 
 'updatedAt' 
 ) 
 if 
 status_time 
 : 
 try 
 : 
 finding_dt 
 = 
 parse_datetime 
 ( 
 status_time 
 ) 
 if 
 finding_dt 
> = 
 start_time 
 and 
 finding_dt 
< = 
 end_time 
 : 
 filtered 
 . 
 append 
 ( 
 finding 
 ) 
 except 
 Exception 
 : 
 filtered 
 . 
 append 
 ( 
 finding 
 ) 
 else 
 : 
 filtered 
 . 
 append 
 ( 
 finding 
 ) 
 print 
 ( 
 f 
 "Page 
 { 
 page_num 
 } 
 : Retrieved 
 { 
 len 
 ( 
 page_results 
 ) 
 } 
 findings, 
 { 
 len 
 ( 
 filtered 
 ) 
 } 
 in time window" 
 ) 
 records 
 . 
 extend 
 ( 
 filtered 
 ) 
 # Track newest event time 
 for 
 finding 
 in 
 filtered 
 : 
 try 
 : 
 event_time 
 = 
 finding 
 . 
 get 
 ( 
 'statusUpdateTime' 
 ) 
 or 
 finding 
 . 
 get 
 ( 
 'createdAt' 
 ) 
 or 
 finding 
 . 
 get 
 ( 
 'updatedAt' 
 ) 
 if 
 event_time 
 : 
 if 
 newest_time 
 is 
 None 
 or 
 parse_datetime 
 ( 
 event_time 
 ) 
> parse_datetime 
 ( 
 newest_time 
 ): 
 newest_time 
 = 
 event_time 
 except 
 Exception 
 as 
 e 
 : 
 print 
 ( 
 f 
 "Warning: Could not parse event time: 
 { 
 e 
 } 
 " 
 ) 
 # Check for more results 
 if 
 len 
 ( 
 page_results 
 ) 
< page_size 
 : 
 print 
 ( 
 f 
 "Reached last page (size= 
 { 
 len 
 ( 
 page_results 
 ) 
 } 
 < limit= 
 { 
 page_size 
 } 
 )" 
 ) 
 break 
 offset 
 += 
 len 
 ( 
 page_results 
 ) 
 except 
 Exception 
 as 
 e 
 : 
 print 
 ( 
 f 
 "Error fetching findings: 
 { 
 e 
 } 
 " 
 ) 
 return 
 [], 
 None 
 print 
 ( 
 f 
 "Retrieved 
 { 
 len 
 ( 
 records 
 ) 
 } 
 total findings from 
 { 
 page_num 
 } 
 pages" 
 ) 
 return 
 records 
 , 
 newest_time
      • Second file: requirements.txt:
       functions-framework==3.*
google-cloud-storage==2.*
urllib3>=2.0.0

    3. Click Deployto save and deploy the function.

    4. Wait for deployment to complete (2-3 minutes).

    Create Cloud Scheduler job

    Cloud Scheduler will publish messages to the Pub/Sub topic at regular intervals, triggering the Cloud Run function.

    1. In the GCP Console, go to Cloud Scheduler.
    2. Click Create Job.

    3. Provide the following configuration details:

      Setting Value
      Name tenable-cspm-collector-hourly
      Region Select same region as Cloud Run function
      Frequency 0 * * * * (every hour, on the hour)
      Timezone Select timezone (UTC recommended)
      Target type Pub/Sub
      Topic Select the topic tenable-cspm-trigger
      Message body {} (empty JSON object)

    4. Click Create.

    Schedule frequency options

    Choose frequency based on log volume and latency requirements:

    Frequency Cron Expression Use Case
    Every 5 minutes
    		 */5 * * * * High-volume, low-latency
    Every 15 minutes
    		 */15 * * * * Medium volume
    Every hour
    		 0 * * * * Standard (recommended)
    Every 6 hours
    		 0 */6 * * * Low volume, batch processing
    Daily
    		 0 0 * * * Historical data collection

    Test the integration

    1. In the Cloud Schedulerconsole, find your job ( tenable-cspm-collector-hourly ).
    2. Click Force runto trigger manually.
    3. Wait a few seconds and go to Cloud Run > Services > tenable-cspm-collector > Logs.

    4. Verify the function executed successfully. Look for:

       Fetching findings from YYYY-MM-DDTHH:MM:SS+00:00 to YYYY-MM-DDTHH:MM:SS+00:00
Page 1: Retrieved X findings, Y in time window
Wrote X records to gs://tenable-cspm-logs/tenable-cspm/findings_YYYYMMDD_HHMMSS.ndjson
Successfully processed X records

    5. Check the GCS bucket ( tenable-cspm-logs ) to confirm findings were written.

    If you see errors in the logs:

    • HTTP 401: Check API keys in environment variables
    • HTTP 403: Verify account has administrator permissions in Tenable Cloud Security console
    • HTTP 429: Rate limiting - function will automatically retry with backoff
    • Missing environment variables: Check all required variables are set

    Configure a feed in Google SecOps to ingest Tenable CSPM logs

    1. Go to SIEM Settings > Feeds.
    2. Click Add New Feed.
    3. Click Configure a single feed.
    4. In the Feed namefield, enter a name for the feed (for example, Tenable CSPM Logs ).
    5. Select Google Cloud Storage V2as the Source type.
    6. Select Tenable CSPMas the Log type.

    7. Click Get Service Account. A unique service account email will be displayed, for example:

       chronicle-12345678@chronicle-gcp-prod.iam.gserviceaccount.com

    8. Copy this email address. You will use it in the next step.

    9. Click Next.

    10. Specify values for the following input parameters:

      • Storage bucket URL: Enter the GCS bucket URI with the prefix path:

         gs://tenable-cspm-logs/tenable-cspm/
        • Replace:
          • tenable-cspm-logs : Your GCS bucket name.
          • tenable-cspm/ : Prefix/folder path where logs are stored.

      • Source deletion option: Select the deletion option according to your preference:

        • Never: Never deletes any files after transfers (recommended for testing).
        • Delete transferred files: Deletes files after successful transfer.

        • Delete transferred files and empty directories: Deletes files and empty directories after successful transfer.

      • Maximum File Age: Include files modified in the last number of days (default is 180 days).

      • Asset namespace: The asset namespace .

      • Ingestion labels: The label to be applied to the events from this feed.

    11. Click Next.

    12. Review your new feed configuration in the Finalizescreen, and then click Submit.

    The Google SecOps service account needs Storage Object Viewerrole on your GCS bucket.

    1. Go to Cloud Storage > Buckets.
    2. Click your bucket name ( tenable-cspm-logs ).
    3. Go to the Permissionstab.
    4. Click Grant access.
    5. Provide the following configuration details:
      • Add principals: Paste the Google SecOps service account email.
      • Assign roles: Select Storage Object Viewer.

    6. Click Save.

    UDM mapping table

    Log Field UDM Mapping Logic
    statusUpdateTime, starred, remediation.console.steps, compliances, labels, serviceNowIncidentUrls, ticketLinks, findingType, identityProviderAccount, status, subStatus, title, type, sentBy
    		 additional.fields Merged with key-value labels from statusUpdateTime, starred, remediation.console.steps, each item in compliances array, each item in labels array, each item in serviceNowIncidentUrls array, each item in ticketLinks array, findingType, identityProviderAccount, status, subStatus, title, type, and sentBy if principal_user not empty
    description
    		 metadata.description Value copied directly
    has_user, has_target_resource
    		 metadata.event_type Set to "USER_RESOURCE_ACCESS" if has_user and has_target_resource are true, else "GENERIC_EVENT"
    id
    		 metadata.product_log_id Value copied directly
    		metadata.product_name Set to "Tenable CSPM"
    		metadata.vendor_name Set to "Tenable CSPM"
    link
    		 network.http.referral_url Value copied directly
    source
    		 principal.resource.attribute.labels Merged with key-value label from source
    resourceOwnerPrincipals.0.principal.mail
    		 principal.user.email_addresses Value copied directly
    description, sentBy
    		 principal.user.userid Value from principal_user extracted from description using grok if not empty, else sentBy
    category
    		 security_result.category_details Value copied directly
    policyName
    		 security_result.rule_name Value copied directly
    severity
    		 security_result.severity Set to LOW if severity == "Low", MEDIUM if "Medium", HIGH if "High", CRITICAL if "Critical"
    cloudProvider
    		 target.cloud.environment Set to MICROSOFT_AZURE if cloudProvider == "Azure", AMAZON_WEB_SERVICES if "AWS"
    accountName, accountPath, resourceEnvironment, resourceOwner, resources
    		 target.resource.attribute.labels Merged with key-value labels from accountName, accountPath, each item in resourceEnvironment array, each item in resourceOwner array, each item in resources array
    accountId
    		 target.resource.id Value copied directly

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