Black Box Version 1.0 Bedienungsanleitung PDF herunterladen (Seite 17)

MDM Limitations

• User can terminate MDM relationship

–Will lose whatever MDM installed

–Corporate profile settings, etc.

–But now the device tells MDM when that happens

• Doesn’t address co-mingling of data

–Will probably require multi-user model

• Can’t detect jailbreak

• Needs push notification certificate

–Much lower barrier now

Missing Features

• Change (not just erase) passcode

• Can’t disable microphone

• Some basic settings not available in MDM

–PictureFrame restriction

–Can’t lock down accounts

• Geolocation not available

–Find My iPhone appears to use different system

The MDM system is not without some limitations, however. First, the

user can terminate the MDM relationship at any time by simply deleting

the MDM proﬁle. Any proﬁles which had been installed by MDM (web

clips, account information for corporate email, etc.) also get deleted.

MDM also doesn’t address the co-mingling of data, such as easily

dragging messages from the corporate account to a personal email

account.

There was talk that Apple had included a jailbreak detection command

in an earlier version of MDM, but it's not there now. Third party services

can install their own clients to supplement the MDM feature set, and

some of these do their own jailbreak detection, but there’s nothing built

into the MDM system to do so.

Finally, you need the push notiﬁcation certiﬁcate. This is now a much

lower barrier, though.

Beyond the limitations, there are some simple features that’d be nice to

have. For example, it’d be great if the MDM could not just clear the

passcode, but set a whole new one. This would be useful for a

corporate device where the owner is leaving the company, and we want

to lock them out of the device but not wipe it quite yet.

You also can’t lock down the creation of accounts, though that feature

does exist in the Settings application.

It’d be nice to disable the microphone, for some environments, and

ﬁnally, geolocation does not appear to be available through MDM. You

need the Find My iPhone system to do that.

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Black Box Version 1.0 Bedienungsanleitung Seite 17