First of all, to ensure the security of the computer operating system, install important and urgent patches, the operating system now has the function of automatically updating the patch, the system is often updated to ensure security. If the security of the operating system is not guaranteed, hackers or Trojans can easily obtain various private information of users through system vulnerabilities. For Windows systems, the daily login system, preferably users of the Power User or User group, avoid using the Administrators group, so even if the computer has a Trojan, the damage is controllable.
In terms of security, the iPhone that is not jailbroken is the best in common mobile phones. To use the iPhone, you need to turn on the "fingerprint unlocking" function and the "find my iPhone" function, while ensuring the security of the Apple ID password, using a unique The only secure password. If the phone is lost, log in to the iCloud website for the first time, and enable “Lost Mode” on the device in “Find My iPhone”, so that you can't use your phone by any method (even if reset the phone), then you can hit it. The phone is reported to the operator for loss of the SIM card. In the event of an emergency, you can remotely erase the information in your phone from the iCloud website.
Try to avoid using software that is suspected of having a privacy risk. Use caution on software developed by small companies. Do not enter personal information in it.