Mobile phones hold personal and organizational data. Poor security can lead to data theft, financial loss, unauthorized access, and malware infection.

• Be cautious when using public Wi-Fi because information shared over it may be misused.
• Review the default privacy settings of the phone, applications, and social media accounts.
• Check an application’s reputation, authenticity, privacy policy, and permissions before installing it.
• Download applications from genuine sources.
• Turn off or remove unnecessary applications.
• Register for the Do Not Disturb service with the telecom operator.
• Use parental controls when handing a phone to a child or minor.
• Encrypt the device and SD card to protect confidential data.
• Protect the device with a strong PIN, password, or biometrics and enable auto-lock.
• Back up contacts, photos, and other important data regularly.

• Reply to or click links sent by strangers through SMS, email, or chat.
• Store classified or sensitive data, including text, video, or photographs, unnecessarily on the device.
• Log in to financial or other sensitive accounts over public wireless networks.