Microsoft have just released version 181 of Cloud App Security. In this release we have 1 new item and a name change.
New Cloud Discovery Menlo Security log parser Cloud App Security Cloud Discovery analyzes a wide range of traffic logs to rank and score apps. Now Cloud Discovery includes a built-in log parser to support the Menlo Security CEF format. For a list of supported log parsers, see Supported firewalls and proxies.
Azure Active Directory (AD) Cloud App Discovery name displays in portal For Azure AD P1 and P2 licenses, we’ve updated the product name in the portal to Cloud App Discovery. Learn more about Cloud App Discovery.
I have been recently investigating Cloud App Security how it can benefit organizations already paying for this functionality without even knowing. Do you already pay for the following Microsoft licenses?
Starting with Cloud App SecurityCloud App Security – DashboardGetting started with Cloud App Security
Log process flow: From raw data to risk assessment
The process of generating understanding the risk within your organisation from a Cloud Securtity starts here with the following. You can upload data to Cloud App Security and the process takes between a few minutes to several hours depending on the amount of data processed.
Upload – Web traffic logs from your network are uploaded to the portal.
Parse – Cloud App Security parses and extracts traffic data from the traffic logs with a dedicated parser for each data source.
Analyze – Traffic data is analyzed against the
Cloud App Catalog to identify more than 16,000 cloud apps and to assess
their risk score. Active users and IP addresses are also identified as
part of the analysis.
Generate report – A risk assessment report of the data extracted from log files is generated.
Note
Continuous report data is analyzed twice a day.
Supported firewalls and proxies
Cloud App Security support data uploads from the following Firewalls and Proxies.
Barracuda – Web App Firewall (W3C)
Blue Coat Proxy SG – Access log (W3C)
Check Point
Cisco ASA with FirePOWER
Cisco ASA Firewall (For Cisco ASA firewalls, it’s necessary to set the information level to 6)
Cisco Cloud Web Security
Cisco FWSM
Cisco IronPort WSA
Cisco Meraki – URLs log
Clavister NGFW (Syslog)
Digital Arts i-FILTER
Forcepoint
Fortinet Fortigate
iboss Secure Cloud Gateway
Juniper SRX
Juniper SSG
McAfee Secure Web Gateway
Microsoft Forefront Threat Management Gateway (W3C)
Palo Alto series Firewall
Sonicwall (formerly Dell)
Sophos SG
Sophos XG
Sophos Cyberoam
Squid (Common)
Squid (Native)
Stormshield
Websense – Web Security Solutions – Investigative detail report (CSV)
Websense – Web Security Solutions – Internet activity log (CEF)
Cloud App Security also enables organizations to automatically discovery the Cloud Apps in use via actives on your firewall logs. This is done via Log Collectors that allows organizations upload logs to Cloud App Security. Every single long is automatically transfers to the portal, there is 2 different behaviours if you are using FTP or Syslog
FTP Uploads
FTP logs are uploaded to Microsoft Cloud App Security after the file finished the FTP transfer to the Log Collector
SysLog Uploads
The Log Collector writes the received logs to the disk. Then the collector uploads the file to Cloud App Security when the file size is larger than 40 KB
App connectors use APIs from cloud app providers to integrate the
Cloud App Security cloud with other cloud apps. App connectors extend
control and protection. They also give you access to information
directly from cloud apps, for Cloud App Security analysis.
To connect an app and extend protection, the app administrator
authorizes Cloud App Security to access the app. Then, Cloud App
Security queries the app for activity logs, and it scans data, accounts,
and cloud content. Cloud App Security can enforce policies, detects
threats, and provides governance actions for resolving issues.
So how does the look from the portal?
List of Connected Apps available today
Lets connect Office 365 for the purpose of this post.
Connect Office 365Select the components you would like to monitor and connect the appSuccess
Conditional Access App Control protection
Microsoft Cloud App Security Conditional Access App Control uses reverse proxy architecture to give you the tools you need to have real-time visibility and control over access to and activities performed within your cloud environment. With Conditional Access App Control, you can protect your organization:
Avoid data leaks by blocking downloads before they happen
Set rules that force data stored in and downloaded from the cloud to be protected with encryption
Gain visibility into unprotected endpoints so you can monitor what’s being done on unmanaged devices
Control access from non-corporate networks or risky IP addresses
Conditional Access App Control protection
With Conditional Access App Control protection you can define you want to Monitor what is being accessed or block.
Conditional Access Policies
When configured you will notice the below appear for all access control applications
Policies
Once you have configured the basics above the next steps is to enable policies you would like run within your environment. Out of the box you will receive a number policies deemed appropriate from Microsoft but there may be additions ones you would like for example;
In my environment I have created a policy that check for OneDrive Documents shared outside my business to specific domains
This policy also has the power to remove the external user to prevent access and this is where Cloud App Security really comes into its own. As it allows organisations and IT Administrators to the power to real take control of corporate data.
Cloud App Security offers the ability to leverage Conditional Access for Exchange Online and SharePoint Online but how do we configure this functionality?
Let’s start with your Azure Portal and browse to Conditional Access –> New Policy
Conditional Access
So as I previously mentioned this control only works for Exchange Online and SharePoint Online so you will need to select;
Under Session, you need to select Conditional Access App Control and as you can see below we only have 3 options
– Monitor only (Preview) – Block downloads (Preview) – Use custom policy…
Session
For the purpose of this post, I am going to just Monitor what happening their Cloud App Security to discover what’s happening within my tenancy.
Once the policy is enabled, sign into Exchange Online or SharePoint Online and you will be welcome by the below message. This demonstrates that Conditional Access App Control is now in place.
Welcome to Conditional Access App Control
From you Cloud App Security console you will be able to see this activity and all future activities