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Netskope

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The Netskope app provides visibility into the security posture of your applications and helps you determine the overall usage of software and SaaS applications.

Netskope is a Cloud Access Security Broker (CASB) hosted in the cloud. The Netskope product is primarily used for enforcing security policies for cloud-based resources, such as Box and Microsoft Office 365. Customers purchase a CASB to address cloud service risks, enforce security policies, and comply with regulations, even when cloud services are beyond their perimeter and out of their direct control.

Log types

The Netskope app provides a collector source for pulling all the events and alerts from Netskope in real-time via API calls and ingests them into the Sumo Logic platform through our Hosted collector.

For more information on Netskope, refer to the Netskope documentation.

Collect logs for Netskope

To collect logs from the Netskope platform, use the new Cloud-to-Cloud Integration for Netskope to create the source and use the same source category while installing the app. You can view the Netskope legacy collection method here.

Sample log message

Click to expand
{
"dstip": "74.125.239.150",
"dst_location": "Mountain View",
"app": "Google Gmail",
"_insertion_epoch_timestamp": 1547391690,
"site": "Google Gmail",
"src_location": "Pomerol",
"organization_unit": "",
"object_type": "Mail",
"id": 3764,
"app_session_id": 4252577042,
"category": "Webmail",
"dst_region": "California",
"userkey": "Tanja.Barton@kkrlogistics.com",
"dst_country": "US",
"src_zipcode": "33500",
"ur_normalized": "tanja.barton@kkrlogistics.com",
"type": "nspolicy",
"object": "Welcome Novak Dimitrov",
"srcip": "77.194.46.1",
"dst_latitude": 37.405991,
"timestamp": 1547400222,
"src_region": "Gironde",
"dst_longitude": -122.078514,
"alert": "no",
"to_user": "ns-india@microsoft.com, hrglobal@microsoft.com",
"user": "Tanja.Barton@kkrlogistics.com",
"from_user": "bloomberg@bloomberg.com",
"device": "Windows PC",
"org": "kkrlogistics.com",
"src_country": "FR",
"traffic_type": "CloudApp",
"dst_zipcode": "N/A",
"count": 2,
"src_latitude": 44.9333,
"url": "https://mail.google.com/",
"page_id": 2641483218,
"sv": "unknown",
"ccl": "excellent",
"cci": 92,
"activity": "Send",
"userip": "127.0.0.1",
"src_longitude": -0.2,
"_id": "5df996d5b66a9ea963e812ce",
"os": "Windows 8",
"browser": "Internet Explorer",
"appcategory": "Webmail"
}
]
}

Sample query

The following query sample was is from the Total Sessions panel of the Application Overview Dashboard.

_sourceCategory="netskope_events" "no" "nspolicy"
| json "_id", "alert", "type", "srcip", "dstip", "appcategory", "app", "os", "user", "device",
"acked", "site", "timestamp", "ccl", "activity", "browser", "object", "object_type", "from_user",
"to_user", "app_session_id" as alert_id, is_alert, type, src_ip, dest_ip, appcategory, app, os,
user, device, acked, site, timestamp, ccl, activity, browser, object, object_type, from_user,
to_user, app_session_id nodrop
| where is_alert="no" and type="nspolicy"
| count by app_session_id
| count

Installing the Netskope app

This section demonstrates how to install the Netskope app, and provides examples and descriptions for each of the dashboards. The Netskope app has the following components:

  • Application Usage. Insights into application usage; specifically by devices, users, users and traffic patterns.
  • Security Alerts. Visibility into Netskope security alerts and violations and the ability to identify effects of a breach.

To install the app, do the following:

  1. Select App Catalog.
  2. In the Search Apps field, search for and then select your app.
    Optionally, you can scroll down to preview the dashboards included with the app.
  3. To install the app, click Install App.
  4. Click Next in the Setup Data section.
  5. In the Configure section of the respective app, complete the following fields.
    1. Key. Select either of these options for the data source.
      • Choose Source Category, and select a source category from the list for Default Value.
      • Choose Custom, and enter a custom metadata field. Insert its value in Default Value.
  6. Click Next. You will be redirected to the Preview & Done section.

Your app will be installed in the Installed Apps folder and dashboard panels will start to fill automatically.

Each panel slowly fills with data matching the time range query and received since the panel was created. Results will not immediately be available, updating with full graphs and charts over time.

Upgrading the Netskope app (Optional)

To update the app, do the following:

  1. From the Sumo Logic navigation, select App Catalog.
  2. In the Search Apps field, search for and then select your app.
    Optionally, you can identify apps that can be upgraded in the Upgrade available section.
  3. To upgrade the app, click Upgrade.
    1. You will be redirected to the Preview & Done section if the upgrade did not have any configuration or property change.
    2. You will be redirected to Setup Data page if the upgrade has any configuration or property change.
      1. In the Configure section of the respective app, complete the following fields.
        • Key. Select either of these options for the data source.
          • Choose Source Category, and select a source category from the list for Default Value.
          • Choose Custom, and enter a custom metadata field. Insert its value in Default Value.
      2. Click Next. You will be redirected to the Preview & Done section.

Your upgraded app will be installed in the Installed Apps folder and dashboard panels will start to fill automatically.

note

Go to the Release Notes tab to see the change log for new updates in the app.

Uninstalling the Netskope app (Optional)

To uninstall the app, do the following:

  1. From the Sumo Logic navigation, select App Catalog.
  2. In the Search Apps field, search for and then select your app.
  3. Click Uninstall.

Viewing Netskope dashboards

The Netskope dashboards are grouped by their component in the following two category folders:

  • Application Usage
  • Security Alerts

All dashboards have a set of filters that you can apply to the entire dashboard. Use these filters to drill down and examine the data to a granular level.

  • You can change the time range for a dashboard or panel by selecting a predefined interval from a drop-down list, choosing a recently used time range, or specifying custom dates and times. Learn more.
  • You can use template variables to drill down and examine the data on a granular level. For more information, see Filter with template variables.
  • Most Next-Gen apps allow you to provide the scope at the installation time and are comprised of a key (_sourceCategory by default) and a default value for this key. Based on your input, the app dashboards will be parameterized with a dashboard variable, allowing you to change the dataset queried by all panels. This eliminates the need to create multiple copies of the same dashboard with different queries.

Application Overview

The Netskope - Application Overview dashboard provides a high-level view of user activity, user geographic location by source IP, total sessions, applications used, distribution and activity of applications, and application trends over time.

Use this dashboard to:

  • Monitor number of users, sessions, and sites using the applications, and find out the popular apps by user and app category.
  • Track spikes in application usage over time.
netskope dashboards

Application Users

The Netskope - Application Users dashboard provides a high-level view of application events, total sessions, user activity and geographic location by source IP and destination IP. This dashboard also shows visual breakdowns of distributions by operating system, browser, device, and user activity.

Use this dashboard to:

  • Monitor recent user activities, track user locations, and find out the top users affected by alerts.
  • Determine user classifications by browsers, devices, operating system (OS).
netskope dashboards

Application Details

The Netskope - Application Details dashboard provides a high-level view of data for unique applications used, as well as top applications by alerts, bytes, and average page duration. This dashboard also provides a visual breakdown of applications by category, devices by user access, and network usage over time.

Use this dashboard to:

  • Monitor the top applications generating alerts.
  • Find out detailed information about application usage in terms of page duration, user counts, upload and download bytes.
netskope dashboards

Alert Overview

The Netskope - Alert Overview dashboard provides a high-level view of your alert data by type, geographic location of source IPs, total and top alerts, alerts by user, recent alerts, and alert trends over time.

Use this dashboard to:

  • Track users affected by alerts.
  • Monitor abnormal spikes, alert locations, and recent alerts.
netskope dashboards

Alert Details

The Netskope - Alert Details dashboard provides a visual presentation of alert analytics, including the geographic locations of suspicious source and destination IPs, a time compare of alters, alert outlier trends over time, alerts by application, and recent alerts with a poor cloud confidence level.

Use this dashboard to:

  • Compare alerts over time and anomalies in alert rates.
  • Track which applications are producing the most alerts over time.
netskope dashboards

Data Loss Prevention

The Netskope - Data Loss Prevention dashboard provides a high-level view of data loss prevention (DLP) analytics, including incidents by policy over time, incidents by severity and application, incidents by operating system (OS) and browser. This dashboard also shows data on DLP rules, top profiles, incident count, and users affected.

Use this dashboard to:

  • Track users and applications affected by DLP incidents.
  • Monitor High Severity DLP incidents.
  • Determine objects with critical severity.
netskope dashboards

Compromised Credentials

The Netskope - Compromised Credentials dashboard provides easily accessible analytics on compromised credentials, including the number of users with compromised credentials, a breach count and top breaches, and source info. This dashboard also provides data on recent compromised credentials, apps used by users after a credentials breach, and user activities after a credentials breach.

Use this dashboard to:

  • Track credential breaches along with their source.
  • Monitor user activities.
  • Monitor application usage after credentials have been breached.
netskope dashboards

Malware

The Netskope - Malware dashboard provides a high-level view of total malwares detected, total apps and users affected, total files infected, top source IPs and malware types, and the top users affected. This dashboard also provides data malware incidents by app and severity, affected file types, apps used on infected machines, and the user activity on infected machines.

Use this dashboard to:

  • Determine applications and users affected by malware.
  • Monitor user activity on affected machines.
netskope dashboards

Anomalies

The Netskope - Anomalies dashboard provides an at-a-glance view of anomalies on your environment, including the number of anomalies, users affected, anomalies over time, anomalies by app, alert name, and risk level. It also includes data on top users by anomaly risk level and recent anomalies by high risk level.

Use this dashboard to:

  • Monitor anomalies in users activities.
  • Track anomalies with high risk levels.
netskope dashboards
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