Monthly Archives - September 2019

Windows Information Protection done right, part 1: education and background

A while back I mentioned that WIP policies are not something you should turn on blindly, as they can have disastrous consequences. That is true, when implemented without a plan. However, it is also a very powerful tool that is included with all Microsoft 365 subscriptions (yes, even Business). So...
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Devices still matter, Part 2: How attackers can use YOUR device

So based on our last post, we now know that MFA and Conditional Access can help prevent a lot of different scenarios involving "any old" devices. That leaves one other avenue for attackers then... Why bother trying to gain new access through any device when there are perfectly...
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Devices still matter, Part 1: Why you need a device management strategy

The Center for Internet Security (CIS) publishes 20 controls in their cyber-security framework. If you want to understand what good management looks like, then start here. The first six controls are considered the "basics"--the first and most important steps that any organization should be taking as they work to secure...
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iPadOS breaks MAM-enforced Conditional Access?!

In case anyone missed it, this bombshell dropped last week: https://support.microsoft.com/en-us/help/4521038/action-required-update-conditional-access-policies-for-ipados In summary: when iPad gets updated to iOS 13+ at the end of this month, the OS will change from iOS to iPadOS. And when that happens, Azure AD will see these devices as macOS devices, not iOS...
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Revisiting Baseline Policies in Microsoft 365

Microsoft has been doing more to make secure configurations easier to implement for admins. But, from my testing and experience, I still have reservations about some of them. Let's review. Conditional Access Baseline Policies There are presently four baseline policies available under Azure AD > Security > Conditional Access. Require MFA for admins...
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Windows Hello for Business: Azure AD Join vs. Hybrid Join

Windows Hello for Business replaces a traditional password when signing into your workstation, with a stronger two-factor authentication. One factor being some kind of local gesture such as a PIN, fingerprint or facial recognition, and the other being a key or certificate that is bound to the device itself. When you...
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How to prevent users from circumventing MAM by going through OWA on mobile devices

One of my smart co-workers pointed out that my Conditional access baseline policies, as written, actually leave open the possibility that users could simply use OWA on their mobile devices, instead of using the Outlook app. And that means a user could bypass your protections such as encryption of app data,...
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PSA: Careful with MAM – there might be more to it than you think

I have written extensively on Mobile Application Management (MAM), as an alternative to Mobile Device Management (MDM). When implemented properly, it is the perfect solution for protecting company data on unmanaged devices (e.g. BYOD situations). But therein lies the rub. You need to implement it properly. I can't blame you...
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