Have you ever noticed in the list of applications on your Android smartphone an item called “Security Policy”**? This system component often causes questions: what does it do, why does it take up space in memory, and can it be removed without harm to the device. Unlike most user apps, this is not a separate application, but a part of the operating system responsible for access control, data encryption and compliance with corporate or personal security rules.
Starting from Android 5.0 Lollipop, Google has tightened its data protection requirements, and the “Security Policy” has become an integral part of the ecosystem. It works in conjunction with Android Device Policy (for corporate devices) and Google Play Protect (for personal gadgets), providing multi-level protection. However, many users confuse it with viruses or unnecessary software, trying to disable or uninstall it. Let's take a look at how this application affects the operation of the smartphone and why it is better not to touch it.
What is the "Security Policy" application and why do you need it
"Security Policy" (com.android.securitypolicy in system files) is built-in Android modulethat controls:
- 🔒 Access control for confidential data (passwords, biometrics, encryption keys).
- 📱 Device management in a corporate environment (if the smartphone is linked to a work account).
- 🔄 Enforcement of rules security (for example, locking the screen after 5 minutes of inactivity).
- 🛡️ Integration with MDM solutions (Mobile Device Management) for remote administration.
Without this component, many functions Android Enterprise or Samsung Knox simply will not work. For example, if your smartphone was issued by a company for official use, it is the “Security Policy” that makes sure that you do not disable disk encryption or install prohibited applications. On personal devices, its role is less noticeable, but it is still involved in certificate verification and rights management (mandatory access control mechanism in Linux). this led to crashes SELinux (mandatory access control mechanism in Linux).
How to distinguish a legitimate "Security Policy" from a virus
Because of the unusual name, some users mistake this application for malware. To avoid errors, check for the following signs:
| Sign | Legitimate application | Virus or fake |
|---|---|---|
| Size | Usually 1–5 MB, does not change over time | May suddenly grow or take up suspiciously little space |
| Location | In a folder /system/priv-app/ or /system/app/ |
In /data/app/ or with a non-standard path |
| Rights | System rights, without requests for SMS/geolocation | Requires access to messages, calls, files |
| Icon | Standard Android icon (shield or lock) or missing | A bright, unusual icon or copy of a popular application |
If in doubt, open Settings → Applications → Show system services and find "Security Policy"**. Click on it: a legitimate application will not have a “Delete” button, only a “Disable” button (and not always). Viruses often disguise themselves as system services, but allow themselves to be uninstalled - this is the first bell!
To verify the authenticity of the application, compare its digital signature with official data from the manufacturer. To do this, use applications like App Inspector (available in Google Play).
Is it possible to remove or disable the "Security Policy"
Removing this component without root access is impossible - it is built into the firmware at the system level. Even if you get root access, uninstalling it will lead to:
- 🚨 Loss of access to corporate accounts (if the phone is tied to work).
- 🔓 Breach of data encryption (files may become inaccessible).
- 📵 Blocking OTA updates (the system will stop checking digital signatures).
- 🛠️ Unstable Android operation (random reboots, application errors).
You can disable the application only on some firmware (for example, MIUI or ColorOS), but this will not provide any benefit - it will simply stop being displayed in the list, but will continue to work in the background. Moreover, on devices with Samsung Knox or Google Pixel any manipulations with system security components will trigger the flag KNOX 0x1, which will void the warranty and block some functions. (for example, Samsung Pay).
What will happen if you still delete the application?
On some devices (for example, Xiaomi or Huawei) after deleting the “Security Policy”, biometric authentication (fingerprint/face) stops working, and problems arise with connecting to Wi-Fi enterprise (networks with certificates).
When “Security Policy” actively consumes resources
Normally, this application should not take up more than 0–1% battery charge i 50–100 MB of RAMIf you notice that it:
- 🔋 Drains the battery (more than 5% per day).
- 📈 Takes up a lot of RAM (over 200 MB).
- 🔄 Always running in the background (visible in
Settings → Battery).
- this is a sign of a problem. The reasons may be as follows:
| Problem | Cause | Solution |
|---|---|---|
| High battery consumption | Conflict with MDM policies (if the phone is working) | Reboot the device or contact the IT department |
| Constant activity | Synchronization error with the security server | Update Google Play services in Play Store |
| RAM usage | Memory leak in the firmware | Install the latest system update |
If the problem persists, try resetting your security settings: go to Settings → System → Reset → Reset Wi-Fi, mobile network and Bluetooth settingsThis will not delete your data, but will restart. services related to the “Security Policy”.
On corporate devices, high application activity may be normal - it synchronizes with the company server to apply new rules (for example, forced encryption or camera blocking).
How to set up a “Security Policy” for personal use
On personal smartphones, this application usually does not require manual configuration - it works automatically. However, you can strengthen protectionby activating additional functions:
Set a PIN code or pattern|Enable device encryption in Settings → Security|Activate Google Play Protect in settings Play Market|Set up automatic screen lock after 1-2 minutes of inactivity-->
Hidden settings are available for advanced users via ADB (Android Debug Bridge). For example, you can force certificate verification for all applications:
adb shell settings put global captive_portal_detection_enabled 1
adb shell settings put global captive_portal_server your.company.com
But be careful: incorrect commands may disrupt the network or block access to some sites. If your smartphone supports. data-i="153">, a section will appear in the settings Android Enterprise, a section will appear in the settings Work profile, where you can flexibly configure rules for service data (for example, prohibit copying files from a work folder to a personal one).
Common errors and how to fix them
C There are several typical problems associated with the “Security Policy”. Here are the most common ones and ways to solve them:
⚠️ Attention! If your device is controlled by a company (for example, through Microsoft Intune or VMware Workspace ONE), do not try to bypass restrictions - this may lead to account blocking or remote data wipe.
- 🔴 Error “Security policy has stopped”
Cause: Conflict with an update or damage to system files.
Solution: Clear the application cache inSettings → Applications → Show system → Security Policy → Memory → Clear cache. If that doesn’t help, reboot your phone intoSafe Mode(hold the power button → “Reboot in Safe Mode”). - 🔒 Requests to install certificates
Cause: Corporate policy requires installing a root certificate to access internal resources.
Solution: If this is a personal phone, refuse. If it’s working, contact the IT department for instructions. - 📵 Blocking application installation
Cause: The policy prohibiting installation of APKs from unknown sources is activated.
Solution: Go toSettings → Security → Unknown sourcesand allow installation for the desired browser or file manager.
If, after manipulating the security settings, the phone stops connecting to Wi-Fi or a mobile network, check the date and time - incorrect settings may interfere with the verification of SSL certificates. Correct them in Settings → System → Date and time (turn on automatic detection).
Security on devices from different manufacturers
Smartphone manufacturers often modify the standard Android “Security Policy”, adding your own functions. Here's how popular brands implement it:
| Brand | Component name | Additional functions |
|---|---|---|
| Samsung | Knox + Security Policy | Hardware encryption, protection against rooting, isolated environment for payments |
| Xiaomi | Security App (includes policies) | Virus scanner, call blocking, traffic control |
| Huawei | Device Security | IMEI spoofing protection, firmware integrity check |
| Google Pixel | Android Security Patch | Monthly security updates, exploit protection |
For example, Samsung Galaxy "Security Policy" is tightly integrated with Knox, which creates a virtual container for operational data. If you uninstall Knox system components, this may result in loss of Secure Folder functionality or Samsung Pass. However, this application often works together with Xiaomi this application often works together with Mi Securitywhich can block legitimate apps, mistaking them for threats.
⚠️ Attention! On some devices (for example, Huawei c EMUI 12+) disabling system security policies may make it impossible to use Huawei Mobile Services (HMS) and access to the branded application store AppGallery.
FAQ: Answers to frequently asked questions
Is it possible to transfer the “Security Policy” to a memory card?
No, this is a system application and it must be located in the internal memory of the device. Transferring to an SD card is impossible without root access, and even in this case it will lead to malfunctions.
Why does the application ask for access to contacts or SMS?
Legitimate “Security Policy” never asks access to messages or contacts. If you see such requests, it is 100% a virus. Remove the suspicious application and check your phone with an antivirus (for example, Malwarebytes or Dr.Web).
How to check if this application is fake?
Open Settings → Applications → Show system and find “Security Policy”. Click on it and look at the “Memory” section. The original application will have Data storage will be indicated 0 B or not availablein the field. Viruses often display some files there.
What to do if an application interferes with the installation of root access?
"Security Policy" blocks changes in the system partition, so to obtain root access will have to be disabled. However, after this the guarantee will be lost, and the Samsung the flag will work KNOX 0x1flag will work. Use bypass methods specific to your model (for example, Magisk to hide root access from system checks).
Why after resetting the settings “Security Policy” has disappeared?
This is normal - when resetting to factory settings, system applications are not deleted, but they may be temporarily hidden from the list. They will be restored after the first reboot. If this does not happen, the firmware may be damaged and you need to reflash the device.