An official website of the United States government
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.
This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. The https：//开头 means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely.
备份信息。 Back up your contacts, financial data, photos, videos, and other mobile device data to another device or cloud service in case your device is compromised and you have to reset it to factory settings.
是最新的。 Keep your software updated to the latest version available. Maintain your security settings to keeping your information safe by turning on automatic updates so you don’t have to think about it, and set your security software to run regular scans.
保持锁定状态。 Lock your device when you are not using it. Even if you only step away for a few minutes, that is enough time for someone to steal or misuse your information. Set your devices to lock after a short time and use strong PINs and passwords.
502 Bad Gateway
留保护，同时连接。502 Bad Gateway
保护您的移动设备。 To prevent theft and unauthorized access or loss of sensitive information, never leave your equipment—including any USB or external storage devices—unattended in a public place. Keep your devices secured in taxis, at airports, on airplanes, and in your hotel room.