Encryption of Android Devices: The Benefits of MDM in the Workplace

Data security is a major concern for all companies. Android, widely adopted by businesses for its flexibility, makes it a prime target for cyber threats. Mobile Device Management (MDM) is a strategic response to this challenge, allowing businesses to control and secure the devices used by employees. Among the best practices for mobile security, encrypting Android devices is essential for protecting sensitive information. This article explains how Android device encryption, combined with an effective MDM solution, can ensure the security of business data. 

What Methods are Used for Android Device Encryption?

Since Android 10, Android automatically applies file-based encryption (FBE). This method encrypts different files with separate keys, which can then be unlocked independently. Encryption keys are randomly generated and automatically created using the AES-256 encryption algorithm. 

Android also uses a full-device encryption method (FDE), available on devices running Android 5 to Android 9. In this method, encryption is based on a single AES-128 key stored in a secure execution environment (TEE). 

In any case, the encryption of a device cannot be disabled by a user on company Android devices. 

What is the Difference Between FDE and FBE Encryption?

Full Device Encryption (FDE): FDE uses a single encryption key to protect all data stored on the device, meaning that all data is decrypted or encrypted at once when unlocking the device. This can pose flexibility issues, as partial access to specific data (e.g., for certain apps) is not possible without unlocking the entire device.

File-Based Encryption (FBE): In contrast, FBE allows files to be encrypted and decrypted individually, with distinct keys for different data. This provides more granular security and allows certain apps or processes to function in the background, even when the device is locked, improving both security and operational efficiency.

Clyd MDM Software for Managing Android Device Encryption

Since devices are enrolled through Android Enterprise, devices managed by an MDM solution like Clyd automatically benefit from Android encryption. The MDM thus automates the encryption process for devices.
Without such an MDM solution, encryption would need to be manually enabled on each Android device, a technical, time-consuming process that's difficult to standardize across a large fleet. 

However, encryption alone is not always the sole solution. It’s also recommended to define a lock screen (when business constraints allow) and apply security restrictions on devices, such as limiting access to certain Wi-Fi networks. With Clyd, deploy a security profile to ensure complete and tailored security across your fleet! 

In addition to encryption, an MDM solution allows you to secure your devices in depth by leveraging a range of features, for example, protecting against theft, malware, unwanted apps, software vulnerabilities, phishing, or network risks. All these risks can be centrally managed by the MDM. 

Going Beyond Android Device Encryption

Encrypting Android devices is an essential aspect of data security for businesses. By combining this feature with a robust MDM solution, companies can effectively protect sensitive employee and customer information while adhering to the strictest security standards to mitigate security risks. 

Adopting an MDM solution like Clyd, which supports Android device encryption, is not just a precautionary measure: it is a strategic investment to ensure data security in an increasingly mobile work environment. 

However, it’s crucial to keep in mind that the security of your Android devices should always be accompanied by various measures that promote data security: it’s essential to train employees on mobile security, reminding them not to download unapproved apps, not to open suspicious emails or SMS messages, and to report any unusual messages or behaviors on their devices.