Use of unauthorized devices

Even if access to the cloud is limited to specific devices, there is a risk of information leakage if the device being used is compromised.

<Illegal device example>

• Devices with a simple screen unlock passcode and used by others
• Devices whose system is not functioning properly due to jailbreak or rooting
• Devices with lower OS versions

デバイストラストに潜むリスク

Risk (1) Risk of information leakage within the device
Even if you limit the access of devices that use the cloud, there is a risk that the downloaded data will be passed to another application within the device, and information will be leaked from there to the Internet.

If a cloud storage app for personal use is installed on a device used for work, it is easy to perform operations that lead to information leakage, such as uploading business data acquired by a company-designated app to the cloud storage app. It will end up.

Risk ② Risk of information leakage from non-genuine apps
Access control on a device-by-device basis only allows access from non-genuine apps running on the device, so there is a risk of company data leaking from non-genuine apps to the outside.

Not one app can take advantage of cloud services. For example, many cloud storages can be linked with various non-genuine apps in addition to genuine apps. may be lost.