The expensive and valuable smartphone you carry with you can be exposed to a variety of security threats, from phishing to malware to spyware. A single successful attack is all it takes to damage your phone, compromise your data and even steal your identity. So how do you protect yourself?

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In a report on mobile best practices, the NSA offers a number of tips to prevent hackers and attackers from attacking your mobile device. One method is simple: just turn your phone off and then back on.

Spearphishing attacks can target your phone to install malware, while zero-click exploits can infect your device without your intervention. The NSA’s advice? Turn your phone off and on at least once a week. This simple action can make it harder for hackers to steal information from your phone, although the agency warns that it won’t always prevent an attack.

In its report, the NSA lists several other threats that can affect your mobile device.

Malicious apps can infect your phone. Malicious Wi-Fi networks can intercept and redirect your device’s traffic. Spyware can monitor the audio and video conversations on your phone. Hackers with remote access to your device can collect call or SMS data. Of course, someone with physical access to your phone, even for a short time, could install malware or spyware.

Also: How to find and remove spyware on your phone

There are several ways to protect yourself, the NSA suggests:

• Update your apps. Be sure to update your apps and operating system with the latest security patches.
• Use official app stores. Only install apps from official stores such as Apple’s App Store or Google Play Store.
• Don’t click. Don’t click on links or file attachments in emails and text messages, as these often launch malware.
• Be careful on public Wi-Fi networks. Avoid using public networks whenever possible. To complement the NSA’s advice, I recommend using a VPN when connecting to a public network.
• Turn off Bluetooth. Turn Bluetooth off when you’re not using it to prevent an unauthorized device from connecting to your phone.
• Use a strong passcode. Create a strong passcode with at least six digits to lock and unlock your phone.
• Use biometrics. Activate your device’s integrated face or fingerprint scan for greater security and convenience.
• Use trusted accessories. Only use original charging cables or charging accessories from a trusted manufacturer. Avoid public USB charging stations.
• Turn off location services. Disable location services when they are not needed.

In addition to the NSA’s suggestions, you can also use a dedicated app to improve your mobile security. One app worth installing is iVerify, a security scanner that scans your device for malware and makes sure you’re using basic security features on your device. iPhone or Android phone.

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“Threats to mobile devices are more frequent and increasing in scope and complexity,” the NSA report said. “Mobile device users want to take full advantage of the capabilities of these devices, but many of these features provide convenience and performance at the expense of security. This best practices guide describes steps users can take to better protect their personal devices and information.”

This article was originally published on May 31, 2024 and updated on August 26, 2024.