• Steve Anonymous@lemmy.world
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      11 months ago

      Can you elaborate? I have simple mdm on my work phone and would like to know exactly what they see and can do

      Not that I am hiding anything. It’s more curiosity at this point

      Posted from my personal phone

      • Osa-Eris-Xero512@kbin.social
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        11 months ago

        This depends on the configuration of the MDM and the MDM vendor. For example, most MDM deployments to Android for instance conform to Android For Work, which functions in practice to a virtual machine from a user’s perspective, and doesn’t have access to a non workspace content. iOS has a similar functionality which, while less commonly used, is there specifically for use on personal devices to sandbox off ‘work’ content where pervasive features like factory resets and access to phone logs and sms records don’t function, and you can’t access the more advanced features without having purchased the device via a corporate account.

        SimpleMDM has a credit card-less trial which you could set up to see what features exist and how they work from the vendor side. You won’t have access to some of the ‘supervised’ features without being a business,but you can see the buttons offered when you aren’t a corporate-purchased device readily enough.

        For corporate owned devices, the rules are very different though.

    • 520@kbin.social
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      11 months ago

      … actually they aren’t wrong. MDMs are given special permissions including but not limited to reading your SMSes and phone records, restricting and monitoring your installed apps and even wiping your device.

      • Eddie Trax@dmv.social
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        11 months ago

        I’m not sure what MDM you’re subjected to but I’ve been an MDM engineer for 7 years using Intune and JAMF and no, no SMS or phone records. Even the phone # is blanked out minus the last 4 digits. Yes we can wipe the devices if it’s lost\compromised but personal versus corporate owned devices are limited. I can’t see what apps you have that were personally installed. And the only info I can get are the device stats (SN, IMEI, storage, battery, memory, etc).

      • LilB0kChoy@midwest.social
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        11 months ago

        Can you support your claims? I’ve worked with Intune, Jamf, MaaS360, Citrix, and Workspace ONE and none of them could read texts, emails or browser history.

        I’d be very interested to learn more about how they can access this information through MDM. We always did it through either the mobile carrier or the admin console for whatever the office/mail suite that was deployed.

          • LilB0kChoy@midwest.social
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            11 months ago

            I looked through your links. I don’t see anywhere that SMS can be read. The permission kind of makes sense as there is a security component to filter spam/phishing type texts. Sophos themselves claim they don’t store any of that data.

            I hadn’t ever seen the call log one and I’m not sure what that would even be used for. It was interesting though.

            App lists is common across all MDMs. It’s used to ensure apps are being updated and on fully owned corporate devices some apps will be blocked.

            It seems like many don’t really understand how this technology works. That said, it’s better to be overly careful and I agree with others in the comments. If you want me to use a mobile device for work you can provide it, I don’t put MDM on my personal device*.

            *the exception being our own MDM we have setup to manage our personal devices more easily.

            • 520@kbin.social
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              11 months ago

              I looked through your links. I don’t see anywhere that SMS can be read.

              From the link, emphasis mine. SMC is the MDM in question

              Read SMS or MMS
              Allows an application to read SMS messages stored on your device or SIM card.
              Malicious applications may read your confidential messages.
              SMC usage:

              1. Read the initial configuration and further server notifications.
                2. Read all SMS for Backup.
              • LilB0kChoy@midwest.social
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                11 months ago

                Yep, it’s part of their message filtering that I mentioned.

                This link provides more information and explicitly states the following:

                Sophos Mobile does not track privacy data such as contacts, SMS and call history, browser history, bookmarks, or emails. Sophos Mobile does not access any data outside of the Sophos container.

                and

                Sophos Mobile does not track privacy data such as contacts, SMS and call history, browser history, bookmarks, emails, or data on the SD card.

                Sophos has a strong cybersecurity focus which, I’d imagine, is why they have the message filtering option that they do.

                • 520@kbin.social
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                  11 months ago

                  …why would they need to backup all SMS messages for a filtering option? That just plain does not compute.

                  • LilB0kChoy@midwest.social
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                    11 months ago

                    The short answer is to restore it:

                    1. Restore SMS backup

                    I’m not a Sophos admin, never have been, so I can only speculate but it might be to restore a message that was altered due to the filtering if captured incorrectly.

                    I’m also not sure why it specifies SMS but not RCS. I do know Sophos uses SMS to communicate between a device and Sophos Central.

                    Without more context and information it’s hard to say what exactly happening from the permissions KB.

                    I can’t definitively say it’s not possible but I’ve never heard of an MDM that allows an admin to read user texts. I appreciate the links, it helps to understand where you’re coming from.

                    I still remain skeptical but, like I said, better to be over cautious than under. I’d be leery of any company that tried requiring me to use my personal device with MDM.

                    Everywhere I’ve worked with BYOD it’s been optional to use your personal device. If you were in a role that required it you’d get a company provided device.

      • n1ckn4m3@kbin.social
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        11 months ago

        Please cite any one of your sources. I’ve managed MDM for over a decade and you’re spreading misinformation.

        Absolutely none of the MDM products on the market allow for the reading of personal e-mail, SMS, phone records, etc. On the contrary, almost every single one provides an information screen during the enrollment that makes it abundantly clear that they do not (and can not) access that data. Moreover, the “wipe” of data is the removal of company data. It doesn’t wipe your phone, it just removes the work profile (Android) or deprovisions the work profile and associated apps (Apple). All of your non-work-related data is untouched.

        Quick Sources for Intune and JAMF – do your own googling for others:
        https://learn.microsoft.com/en-us/mem/intune/protect/privacy-data-collect
        https://www.jamf.com/blog/apple-mobile-device-management-faq/