Collect ZeroFox platform logs
This document explains how to ingest ZeroFox Platform logs to Google Security Operations using Google Cloud Storage. ZeroFox Platform provides digital risk protection by monitoring and analyzing threats across social media, mobile apps, cloud, email, and other digital channels.
Before you begin
Ensure 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 ZeroFox Platform tenant
Create Google Cloud Storage bucket
- Go to the Google Cloud Console .
- Select your project or create a new one.
- In the navigation menu, go to Cloud Storage > Buckets.
- Click Create bucket.
-
Provide the following configuration details:
Setting Value Name your bucket Enter a globally unique name (for example, zerofox-platform-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 -
Click Create.
Collect ZeroFox Platform credentials
Get ZeroFox personal access token
- Sign in to the ZeroFox Platform at https://cloud.zerofox.com .
- Go to Settings >
Data Connections >
API Data Feeds.
- Direct URL (after login): https://cloud.zerofox.com/data_connectors/api
- Note: If you don't see this menu item, contact your ZeroFox administrator for access. The menu may also be labeled Data Connectors > API Data Feedsdepending on your tenant UI version.
- Click Generate Tokenor Create Personal Access Token.
- Provide the following configuration details:
- Name: Enter a descriptive name (for example,
Google SecOps GCS Ingestion). - Expiration: Select a rotation period according to your organization's security policy.
- Permissions/Feeds: Select read permissions for:
- Alerts
- CTI feeds
- Other data types you want to export
- Name: Enter a descriptive name (for example,
- Click Generate.
- Copy and save the generated Personal Access Token in a secure location (you won't be able to view it again).
-
Save the ZEROFOX_BASE_URL:
https://api.zerofox.com(default for most tenants).
Verify permissions
To verify the account has the required permissions:
- Sign in to ZeroFox Platform.
- Go to Settings(⚙️) > Data Connections > API Data Feeds.
- If you can see the API Data Feedssection and generate tokens, you have the required permissions.
- If you cannot see this option, contact your administrator to grant API access permissions.
Test API access
-
Test your credentials before proceeding with the integration:
# Replace with your actual credentials ZEROFOX_API_TOKEN = "your-personal-access-token" ZEROFOX_BASE_URL = "https://api.zerofox.com" # Test API access (example endpoint - adjust based on your data type) curl -v -H "Authorization: Bearer $ZEROFOX_API_TOKEN " \ -H "Accept: application/json" \ " $ZEROFOX_BASE_URL /v1/alerts?limit=1"
Create service account for Cloud Run function
The Cloud Run function needs a service account with permissions to write to GCS bucket and be invoked by Pub/Sub.
Create service account
- In the GCP Console, go to IAM & Admin > Service Accounts.
- Click Create Service Account.
- Provide the following configuration details:
- Service account name: Enter
zerofox-logs-collector-sa. - Service account description: Enter
Service account for Cloud Run function to collect ZeroFox Platform logs.
- Service account name: Enter
- Click Create and Continue.
- In the Grant this service account access to projectsection, add the following roles:
- Click Select a role.
- Search for and select Storage Object Admin.
- Click + Add another role.
- Search for and select Cloud Run Invoker.
- Click + Add another role.
- Search for and select Cloud Functions Invoker.
- Click Continue.
- 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 ( zerofox-logs-collector-sa
) write permissions on the GCS bucket:
- Go to Cloud Storage > Buckets.
- Click your bucket name (for example,
zerofox-platform-logs). - Go to the Permissionstab.
- Click Grant access.
- Provide the following configuration details:
- Add principals: Enter the service account email (for example,
zerofox-logs-collector-sa@PROJECT_ID.iam.gserviceaccount.com). - Assign roles: Select Storage Object Admin.
- Add principals: Enter the service account email (for example,
- 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.
- In the GCP Console, go to Pub/Sub > Topics.
- Click Create topic.
- Provide the following configuration details:
- Topic ID: Enter
zerofox-logs-trigger. - Leave other settings as default.
- Topic ID: Enter
- Click Create.
Create Cloud Run function to collect logs
The Cloud Run function is triggered by Pub/Sub messages from Cloud Scheduler to fetch logs from ZeroFox Platform API and writes them to GCS.
- In the GCP Console, go to Cloud Run.
- Click Create service.
- Select Function(use an inline editor to create a function).
-
In the Configuresection, provide the following configuration details:
Setting Value Service name zerofox-logs-collectorRegion Select region matching your GCS bucket (for example, us-central1)Runtime Select Python 3.12or later -
In the Trigger (optional)section:
- Click + Add trigger.
- Select Cloud Pub/Sub.
- In Select a Cloud Pub/Sub topic, choose the Pub/Sub topic (
zerofox-logs-trigger). - Click Save.
-
In the Authenticationsection:
- Select Require authentication.
- Check Identity and Access Management (IAM).
-
Scroll down and expand Containers, Networking, Security.
-
Go to the Securitytab:
- Service account: Select the service account (
zerofox-logs-collector-sa).
- Service account: Select the service account (
-
Go to the Containerstab:
- Click Variables & Secrets.
- Click + Add variablefor each environment variable:
Variable Name Example Value Description GCS_BUCKETzerofox-platform-logsGCS bucket name GCS_PREFIXzerofox/platformPrefix for log files STATE_KEYzerofox/platform/state.jsonState file path ZEROFOX_BASE_URLhttps://api.zerofox.comAPI base URL ZEROFOX_API_TOKENyour-zerofox-personal-access-tokenPersonal access token LOOKBACK_HOURS24Initial lookback period PAGE_SIZE200Records per page MAX_PAGES20Maximum pages per run HTTP_TIMEOUT60HTTP request timeout in seconds HTTP_RETRIES3Number of HTTP retries URL_TEMPLATE(optional) Custom URL template with {SINCE},{PAGE_TOKEN},{PAGE_SIZE} -
In the Variables & Secretssection, scroll down to Requests:
- Request timeout: Enter
600seconds (10 minutes).
- Request timeout: Enter
-
Go to the Settingstab:
- In the Resourcessection:
- Memory: Select 512 MiBor higher.
- CPU: Select 1.
- In the Resourcessection:
-
In the Revision scalingsection:
- Minimum number of instances: Enter
0. - Maximum number of instances: Enter
100(or adjust based on expected load).
- Minimum number of instances: Enter
-
Click Create.
-
Wait for the service to be created (1-2 minutes).
-
After the service is created, the inline code editoropens automatically.
Add function code
- Enter mainin Function entry point
-
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 import urllib.parse # 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' , 'zerofox/platform' ) STATE_KEY = os . environ . get ( 'STATE_KEY' , 'zerofox/platform/state.json' ) ZEROFOX_BASE_URL = os . environ . get ( 'ZEROFOX_BASE_URL' , 'https://api.zerofox.com' ) ZEROFOX_API_TOKEN = os . environ . get ( 'ZEROFOX_API_TOKEN' ) LOOKBACK_HOURS = int ( os . environ . get ( 'LOOKBACK_HOURS' , '24' )) PAGE_SIZE = int ( os . environ . get ( 'PAGE_SIZE' , '200' )) MAX_PAGES = int ( os . environ . get ( 'MAX_PAGES' , '20' )) HTTP_TIMEOUT = int ( os . environ . get ( 'HTTP_TIMEOUT' , '60' )) HTTP_RETRIES = int ( os . environ . get ( 'HTTP_RETRIES' , '3' )) URL_TEMPLATE = os . environ . get ( 'URL_TEMPLATE' , '' ) 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 ZeroFox Platform logs and write to GCS. Args: cloud_event: CloudEvent object containing Pub/Sub message """ if not all ([ GCS_BUCKET , ZEROFOX_BASE_URL , ZEROFOX_API_TOKEN ]): print ( 'Error: Missing required environment variables' ) return try : # Get GCS bucket 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_since" ): try : last_time = parse_datetime ( state [ "last_since" ]) # Overlap by 2 minutes to catch any delayed events last_time = last_time - timedelta ( minutes = 2 ) except Exception as e : print ( f "Warning: Could not parse last_since: { e } " ) if last_time is None : last_time = now - timedelta ( hours = LOOKBACK_HOURS ) since_iso = last_time . strftime ( '%Y-%m- %d T%H:%M:%SZ' ) print ( f "Fetching logs since { since_iso } " ) # Fetch logs records , newest_since = fetch_logs ( api_base = ZEROFOX_BASE_URL , api_token = ZEROFOX_API_TOKEN , since = since_iso , page_size = PAGE_SIZE , max_pages = MAX_PAGES , ) if not records : print ( "No new log records found." ) save_state ( bucket , STATE_KEY , since_iso ) return # Write to GCS as NDJSON timestamp = now . strftime ( '%Y%m %d _%H%M%S' ) object_key = f " { GCS_PREFIX } /logs_ { 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 timestamp if newest_since : save_state ( bucket , STATE_KEY , newest_since ) else : save_state ( bucket , STATE_KEY , since_iso ) print ( f "Successfully processed { len ( records ) } records" ) except Exception as e : print ( f 'Error processing logs: { 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_since : str ): """Save the last since timestamp to GCS state file.""" try : state = { 'last_since' : last_since } blob = bucket . blob ( key ) blob . upload_from_string ( json . dumps ( state , indent = 2 ), content_type = 'application/json' ) print ( f "Saved state: last_since= { last_since } " ) except Exception as e : print ( f "Warning: Could not save state: { e } " ) def fetch_logs ( api_base : str , api_token : str , since : str , page_size : int , max_pages : int ): """ Fetch logs from ZeroFox Platform API with pagination and rate limiting. Args: api_base: API base URL api_token: Personal access token since: ISO timestamp for filtering logs page_size: Number of records per page max_pages: Maximum pages to fetch Returns: Tuple of (records list, newest_since ISO string) """ # Use URL_TEMPLATE if provided, otherwise construct default alerts endpoint if URL_TEMPLATE : base_url = URL_TEMPLATE . replace ( " {SINCE} " , urllib . parse . quote ( since )) else : base_url = f " { api_base } /v1/alerts?since= { urllib . parse . quote ( since ) } " headers = { 'Authorization' : f 'Bearer { api_token } ' , 'Accept' : 'application/json' , 'Content-Type' : 'application/json' , 'User-Agent' : 'GoogleSecOps-ZeroFoxCollector/1.0' } records = [] newest_since = since page_num = 0 page_token = "" backoff = 1.0 while page_num < max_pages : page_num += 1 # Construct URL with pagination if URL_TEMPLATE : url = ( base_url . replace ( " {PAGE_TOKEN} " , urllib . parse . quote ( page_token )) . replace ( " {PAGE_SIZE} " , str ( page_size ))) else : url = f " { base_url } & limit= { page_size } " if page_token : url += f "&page_token= { urllib . parse . quote ( page_token ) } " attempt = 0 while attempt < = HTTP_RETRIES : try : response = http . request ( 'GET' , url , headers = headers , timeout = HTTP_TIMEOUT ) # 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 ) attempt += 1 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 records , newest_since data = json . loads ( response . data . decode ( 'utf-8' )) # Extract results (try multiple possible keys) page_results = [] for key in ( 'results' , 'data' , 'alerts' , 'items' , 'logs' , 'events' ): if isinstance ( data . get ( key ), list ): page_results = data [ key ] break if not page_results : print ( f "No more results (empty page)" ) return records , newest_since print ( f "Page { page_num } : Retrieved { len ( page_results ) } events" ) records . extend ( page_results ) # Track newest timestamp for event in page_results : try : # Try multiple possible timestamp fields event_time = ( event . get ( 'timestamp' ) or event . get ( 'created_at' ) or event . get ( 'last_modified' ) or event . get ( 'event_time' ) or event . get ( 'log_time' ) or event . get ( 'updated_at' )) if event_time and isinstance ( event_time , str ): if event_time > newest_since : newest_since = event_time except Exception as e : print ( f "Warning: Could not parse event time: { e } " ) # Check for next page token next_token = ( data . get ( 'next' ) or data . get ( 'next_token' ) or data . get ( 'nextPageToken' ) or data . get ( 'next_page_token' )) if isinstance ( next_token , dict ): next_token = ( next_token . get ( 'token' ) or next_token . get ( 'cursor' ) or next_token . get ( 'value' )) if not next_token : print ( "No more pages (no next token)" ) return records , newest_since page_token = str ( next_token ) break except urllib3 . exceptions . HTTPError as e : if attempt < HTTP_RETRIES : print ( f "HTTP error (attempt { attempt + 1 } / { HTTP_RETRIES } ): { e } " ) time . sleep ( 1 + attempt ) attempt += 1 continue else : print ( f "Error fetching logs after { HTTP_RETRIES } retries: { e } " ) return records , newest_since except Exception as e : print ( f "Error fetching logs: { e } " ) return records , newest_since print ( f "Retrieved { len ( records ) } total records from { page_num } pages" ) return records , newest_since- Second file: requirements.txt:
functions - framework == 3 .* google - cloud - storage == 2 .* urllib3 > = 2.0 . 0 -
Click Deployto save and deploy the function.
-
Wait for deployment to complete (2-3 minutes).
Create Cloud Scheduler job
Cloud scheduler publishes messages to the Pub/Sub topic ( zerofox-logs-trigger
) at regular intervals, triggering the Cloud Run function.
- In the GCP Console, go to Cloud Scheduler.
- Click Create Job.
-
Provide the following configuration details:
Setting Value Name zerofox-logs-collector-hourlyRegion 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 Pub/Sub topic ( zerofox-logs-trigger)Message body {}(empty JSON object) -
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 hour0 * * * *Standard (recommended) Every 6 hours0 */6 * * *Low volume, batch processing Daily0 0 * * *Historical data collection
Test the integration
- In the Cloud Schedulerconsole, find your job (
zerofox-logs-collector-hourly). - Click Force runto trigger the job manually.
- Wait a few seconds.
- Go to Cloud Run > Services.
- Click your function name (
zerofox-logs-collector). - Click the Logstab.
-
Verify the function executed successfully. Look for the following:
Fetching logs since YYYY-MM-DDTHH:MM:SSZ Page 1: Retrieved X events Wrote X records to gs://zerofox-platform-logs/zerofox/platform/logs_YYYYMMDD_HHMMSS.ndjson Successfully processed X records -
Go to Cloud Storage > Buckets.
-
Click your bucket name (
zerofox-platform-logs). -
Navigate to the prefix folder (
zerofox/platform/). -
Verify that a new
.ndjsonfile was created with the current timestamp.
If you see errors in the logs:
- HTTP 401: Check API credentials in environment variables. Verify the
ZEROFOX_API_TOKENis correct and has not expired. - HTTP 403: Verify the ZeroFox account has required permissions for Alerts and CTI feeds. Go to Settings > Data Connections > API Data Feedsand check token permissions.
- HTTP 404: The default
/v1/alertsendpoint may not be correct for your tenant. Set theURL_TEMPLATEenvironment variable to match your ZeroFox API documentation or contact ZeroFox support. - HTTP 429: Rate limiting - function will automatically retry with exponential backoff.
- Missing environment variables: Check all required variables are set in the Cloud Run function configuration.
Retrieve the Google SecOps service account
Google SecOps uses a unique service account to read data from your GCS bucket. You must grant this service account access to your bucket.
Get the service account email
- Go to SIEM Settings > Feeds.
- Click Add New Feed.
- Click Configure a single feed.
- In the Feed namefield, enter a name for the feed (for example,
ZeroFox Platform Logs). - Select Google Cloud Storage V2as the Source type.
- Select ZeroFox Platformas the Log type.
-
Click Get Service Account. A unique service account email is displayed, for example:
chronicle - 12345678 @chronicle - gcp - prod . iam . gserviceaccount . com -
Copy this email address for use in the next step.
Grant IAM permissions to the Google SecOps service account
The Google SecOps service account needs Storage Object Viewerrole on your GCS bucket.
- Go to Cloud Storage > Buckets.
- Click your bucket name (
zerofox-platform-logs). - Go to the Permissionstab.
- Click Grant access.
- Provide the following configuration details:
- Add principals: Paste the Google SecOps service account email.
- Assign roles: Select Storage Object Viewer.
-
Click Save.
Configure a feed in Google SecOps to ingest ZeroFox Platform logs
- Go to SIEM Settings > Feeds.
- Click Add New Feed.
- Click Configure a single feed.
- In the Feed namefield, enter a name for the feed (for example,
ZeroFox Platform Logs). - Select Google Cloud Storage V2as the Source type.
- Select ZeroFox Platformas the Log type.
- Click Next.
-
Specify values for the following input parameters:
-
Storage bucket URL: Enter the GCS bucket URI with the prefix path:
gs://zerofox-platform-logs/zerofox/platform/-
Replace:
-
zerofox-platform-logs: Your GCS bucket name. -
zerofox/platform: 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.
-
-
Click Next.
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Review your new feed configuration in the Finalizescreen, and then click Submit.
Need more help? Get answers from Community members and Google SecOps professionals.

