Calendar log events

Security investigation tool
Supported editions for the Calendar log events data source in the investigation tool:
Enterprise Plus, Education Plus

As your organization's administrator, you can use the security investigation tool to run searches related to Calendar log events, and to take action based on search results. From the investigation tool, you can view a record of actions to track changes to calendars, events, and subscriptions. You can also track the email notifications associated with these actions. This information is helpful when you troubleshoot issues or when your users notice discrepancies or unexpected changes to their calendars, shared calendars, or specific calendar events. Log entries usually appear within one half-hour of the user action.

Your access to the security investigation tool

  • Supported editions for the security investigation tool include Enterprise Plus and Education Plus.
  • Admins with Cloud Identity Premium, Enterprise Standard, and Education Standard can also use the investigation tool for a subset of data sources.
  • Your ability to run a search in the investigation tool depends on your Google edition, your administrative privileges, and the data source. If you're unable to run a search in the investigation tool for a specific data source, you can generally use the audit and investigation page instead.

Run a search for Calendar log events

To run a search in the investigation tool, first choose a data source. You then need to choose one or more conditions for your search. For each condition, choose an attribute, an operator, and a value

  1. Sign in to your Google Admin console.

    Sign in using your administrator account (does not end in @gmail.com).

  2. On the left of the Admin console Home page, click Securityand thenSecurity centerand thenInvestigation tool.
  3. Click Data source and select Calendar log events.
  4. Click Add Condition.
    Tip: You can include one or more conditions in your search or customize your search with nested queries. For details, go to Customize your search with nested queries.
  5. Click Attributeand thenselect an option.
    For a complete list of attributes, go to the Attribute descriptions section below.
  6. Click Containsand thenselect an operator.
  7. Enter a value, or select a value from the drop-down list.
  8. (Optional) To add more search conditions, repeat steps 4–7.
  9. Click Search.
    Search results in the investigation tool are displayed in a table at the bottom of the page.
  10. (Optional) To save your investigation, click SaveSaveand thenenter a title and descriptionand thenclick Save.

Note:

  • In the Condition builder tab, filters are represented as conditions with AND/OR operators. You can also use the Filter tab to include simple parameter and value pairs to filter the search results.
  • If you gave a user a new name, you will not see query results with the user's old name. For example, if you rename OldName@example.com to NewName@example.com, you will not see results for events related to OldName@example.com.

Attribute descriptions

For this data source, you can use the following attributes when searching log event data:

Attribute Description
Access level

Access level of the calendar or event (in other words, what others can access). Enter one of the following values:

  • Editor—For a calendar, full owner access except that the access control settings can't be modified. For an event, the user may edit the event.
  • Freebusy—Can only see if the time slot is free or busy
  • Owner—Full access to calendar properties, access control, and events
  • Read—Read access to calendar properties, access control, and events
  • Root—Full owner privileges, plus access to preferences. Used for domain admins.
  • None—Calendar or event is not visible
Actor Email address of the user who performed the action
Actor group name Group name of the actor
Actor organizational unit Organizational unit of the actor
API kind API through which the logged action was made. Options include:
  • Android (first- and third-party calendar applications)
  • CalDAV (usually Apple devices)
  • Calendar API
  • Calendar for iOS
  • Calendar Web
  • Gmail ICS Parser (event emails from other calendar systems)
  • Events from Gmail
  • EWS (used by Calendar Interop)
Calendar ID ID of the calendar where the logged action happened—for example the calendar in which an event is taking place, or a calendar that users can subscribe to. The value for this attribute is often a user's email address such as user@example.com.
Date Date and time the event occurred (displayed in your browser's default time zone)
Event The logged event action, such as Event deleted, Calendar title changed, or Event guest removed
Event end time Time the event ended
Event ID ID of the calendar event
Event start time Time the event started
Event title Title of the calendar event
Guest response status Guest's response to a calendar invite—for example, Accepted, Declined, or Maybe
Interop error code Error code associated with an unsuccessful request. Available only when Calendar Interop is turned on.
IP address Internet Protocol (IP) address associated with the logged action. Usually reflects the user's physical location, but could be a proxy server or a virtual private network (VPN) address.
New value New value of an attribute. For example, enter the title for a new calendar, the description for a new calendar, or the new location.
Notification message ID ID of the email notification
Notification method The medium by which the notification was sent. Select one of the following values:
  • Alert - Notification by popup window or alarm
  • Default - Calendar default notification mechanism
  • Email
  • SMS
Notification type Type of notification set, such as Calendar access grantedCancelled event, or New event
Old event title If the title of a calendar event has been changed, this is the previous title of the event
Organizer calendar ID Calendar ID of this event's organizer
Remote exchange server URL The URL of the Exchange Web Services (EWS) endpoint. This is available only when Calendar Interop is turned on.
Requested period end time End of the time window for an availability lookup. Available only when Calendar Interop is turned on.
Requested period start time Start of the time window for an availability lookup. Available only when Calendar Interop is turned on.
Subscriber calendar ID If a user subscribed to a calendar, then this field captures the user's calendar ID
Target This can be a guest email or grantee email in case there's a change of access or change of recipient email. 
User agent User agent software associated with the calendar event

Take action based on search results

After you run a search in the investigation tool, you can act on your search results. For example, you can run a search based on Gmail log events, and then use the investigation tool to delete specific messages, send messages to quarantine, or send messages to users' inboxes. For more details about actions in the investigation tool, go to Take action based on search results.

Create activity rules & set up alerts

To help prevent, detect, and remediate security issues efficiently, you can automate actions in the investigation tool and set up alerts by creating activity rules. To set up a rule, set up conditions for the rule, and then specify what actions to perform when the conditions are met. For details and instructions, go to Create and manage activity rules.

Manage your investigations

View your list of investigations

To view a list of the investigations that you own and that were shared with you, click View investigations"". The investigation list includes the names, descriptions, and owners of the investigations, and the date last modified. 

From this list, you can take action on any investigations that you own—for example, to delete an investigation. Check the box for an investigation, and then click Actions.

Note: Directly above your list of investigations, under Quick access, you can view recently saved investigations.

Configure settings for your investigations

As a super administrator, click Settings"" to :

  • Change the time zone for your investigations. The time zone applies to search conditions and results.
  • Turn on or off Require reviewer. For more details, go to Require reviewers for bulk actions.
  • Turn on or off View content. This setting allows admins with the appropriate privileges to view content.
  • Turn on or off Enable action justification.

For instructions and details, go to Configure settings for your investigations.

Manage columns in your search results

You can control which data columns appear in your search results. 

  1. At the top-right of the search results table, click Manage columns"".
  2. (Optional) To remove current columns, click Remove item"".
  3. (Optional) To add columns, next to Add new column, click the Down arrow""and select the data column.
    Repeat as needed.
  4. (Optional) To change the order of the columns, drag the column name.
  5. Click Save.
Export data from search results

You can export search results in the investigation tool to Google Sheets or to a CSV file. For instructions, see Export search results.

Share, delete, and duplicate investigations

To save your search criteria or share it with others, you can create and save an investigation, and then share, duplicate, or delete it.

For details, go to Save, share, delete, and duplicate investigations.

When and how long is data available?

For more information about data sources, go to Data retention and lag times.

 

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