Tuesday, August 8, 2017

Monitoring: Audit and Bad-Guy-Detection

Welcome to the latest edition of the Modern Service Management for Office 365 blog series! In this article, we review monitoring tools and techniques to manage information security using audit data. These insights and best practices are brought to you by Carroll Moon, Senior Architect for Modern Service Management.

Part 1: Introducing Modern Service Management for Office 365

Part 2: Monitoring and Major Incident Management

Part 3: Audit and Bad-Guy-Detection

Part 4: Leveraging the Office 365 Service Communications API

Part 5: Evolving IT for Cloud Productivity Services

Part 6: IT Agility to Realize Full Cloud Value – Evergreen Management

Monitoring: Audit and Bad-Guy-Detection

In the Monitoring and Major Incident Management post, we discussed how monitoring can mean many things.  In that post, we focused on monitoring for availability and performance.  In this post, we will focus on audit and bad-guy-detection.

The most important part of this discussion is the ManagementActivityAPI.  That API was announced in April of 2015 here.  The MSDN reference is here and the schema ishere.  For many IT Pros, using the API is something they do not have the current ability (of course, they could learn) or time to focus on.  My goal here is to help simplify the discussion so everyone can start to get business benefit from the API.

What should you be looking for?

Before we get into the “how”, we should discuss the “why” and the “what”.  The question that most readers will be asking is “why should I care”?  The answer to that question is “it comes down to scenarios”.  Would it help you with audit and compliance requirements to be able to provide a report for “which admins gave themselves permissions to another user’s mailbox” last month?  Would it help you with security monitoring to alert on the condition of “if an account has X failed login attempts in Y minutes”?  Would it be helpful to your Service Desk’s goal of becoming more proactive to have a report of all users who got “access denied” for SharePoint files so the Service Desk can go proactively train them?

There are countless scenarios that can be enabled by this data.  I encourage you to spend time talking to your compliance, security, audit and Service Desk teams to brainstorm how this data can help them be more successful in reaching their goals.  Once you land on a couple of scenarios (the “why” and “what”), then it will be more fun to talk about the “how”.

We have the API, now what?

I have included the links to the API’s reference and schema above, but what does that mean?  To use the API, one needs to think of the data flow in steps:

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