Safety center – Mobile devices safety | Android, how to secure access to your smartphone as much as possible? | Cnil

How to secure access to your smartphone as much as possible

Most smartphones offer you to encrypt the data you store on the device. Very simple to activate, this option is relevant if you take the risk of hosting confidential or even sensitive data on your smartphone.

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How to secure access to your smartphone as much as possible ?

Some smartphone users store personal data in their phone without thinking of securing it with a code. Yet smartphone can be stolen, lost or victims of malicious applications. In these cases, very personal information can be read, made public or destroyed.

Never save intimate or confidential data

In addition to the precautionary measures implemented to lock access to your smartphone, the best security measures is never to store data of a secret nature in your phone, starting with your bank details, your passwords, the access code to your building or your medical information.

Activate the PIN code: requested each ignition

The personal identification number controls the SIM card inserted in your phone. This code allows you to lock the phone after 3 consecutive erroneous codes. To protect your phone do not deactivate the PIN code and change the one offered by default.

[TRICK] – We advise you to choose a long code unrelated to your date of birth, your phone number, or which is not a logical suite (1234, 2468, 0000 …).

Activate the lock code: requested after each standby

In addition to the PIN code, the locking code is used to lock access to the phone with each standby or even after a certain period of inactivity time. This prevents consultation with the information contained in the phone in the event of loss or theft. If your smartphone offers it, prefer a long password rather than a 4 -digit code.

[TRICK] – On iPhone, Android or Windows Phone, you can choose an automatic locking time. A particularly useful option if you regularly forget to stand up your phone.

Keep the IMEI code: in case of loss or theft

Composed of 15 to 17 digits, the IMEI code is the serial number of your smartphone. In the event of loss or theft, this code is used to block the use of the phone on all networks. It is indicated on the phone package box. Note this number and keep it in a safe place !

[TRICK] – You can also get it very easily by typing *# 06# on your keyboard.

Encrypt your data to preserve their confidentiality

Most smartphones offer you to encrypt the data you store on the device. Very simple to activate, this option is relevant if you take the risk of hosting confidential or even sensitive data on your smartphone.

[ATTENTION] – Encryption is irreversible: to deactivate it, factory data configuration and therefore the total deletion of your data is necessary !

[Tutorial] – How to encrypt data from your smartphone

  1. Go to the “security” settings on your phone (Android or iOS);
  2. Make sure that the battery of your phone reaches a capacity more than 80%;
  3. Press the “encrypt” function;
  4. Your smartphone will ask you for a password with each unlock;

[REMINDER] – Beyond the security means deployed, it is not recommended to accommodate sensitive data on a connected terminal.

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