In today’s digital world, mobile devices like smartphones and tablets contain a wealth of sensitive personal and financial data. As such, it is crucial to take steps to protect these devices and the information they contain from unauthorized access.
Use Strong Passcodes
One of the most important ways to secure a mobile device is to use a strong passcode. Avoid weak passcodes like 1234 or simple patterns. Instead, use a passcode with at least 6 digits, combining numbers, letters, and symbols. The longer and more complex your passcode is, the harder it will be for someone else to guess. Never share your passcode with anyone.
Enable Screen Locks
In addition to a passcode, enable secondary screen lock features on your device. Options like fingerprint scanning or facial recognition create additional barriers against unwanted access. Just be aware that law enforcement may legally compel you to provide biometric data to unlock a device.
Encrypt Your Data
Encrypting data on your mobile device renders it unreadable without the proper cryptographic key. On iOS devices, encryption is enabled by default. For Android devices, check your security settings to enable encryption. This protection remains in place even if the device is lost or stolen.
Regularly Update Your Device
Mobile operating systems and apps frequently release security patches and fixes. Enable automatic updates on your device and routinely check for the latest software updates to ensure vulnerabilities get addressed. Jailbreaking or rooting a device disables some built-in security protections.
Avoid Unknown Links and Attachments
Opening unfamiliar links or attachments could expose your device to malware. Avoid clicking on suspicious links in emails, texts, and instant messages. Only install apps from trusted sources like the Apple App Store or Google Play Store. Beware of fake or cloned apps masquerading as legitimate ones.
Use Secure Networks
Only access sensitive accounts and information over secure Wi-Fi networks that require a password. Avoid doing financial transactions or accessing confidential data over public Wi-Fi hotspots, which are more susceptible to hacking. For an added layer of protection, use a virtual private network (VPN).
Install Security Software
Antivirus and anti-malware tools provide monitoring to detect and block suspicious activity. Look for highly-rated options compatible with your device operating system. Avoid “security” apps that are themselves scams designed to compromise privacy and security.
Remotely Erase Data if Lost
If your mobile device is lost or stolen, one of the first steps to take is remotely locking or wiping the device to prevent access to your information. This can typically be done through cloud services linked to the device. Backing up data regularly also helps minimize permanent data loss.
Limit App Permissions
Many apps request access to contacts, location, camera, microphone and other features. Only allow apps permissions necessary for their intended function, and monitor what permissions are being used in your device settings. Restricting unnecessary permissions reduces the risk of data exposure.
Avoid Public Charging Stations
Use caution when plugging into USB charging stations in public locations like airports or malls. Some stations may be designed to copy data from connected devices. Use an AC power outlet when available or bring your own car charger.
Monitor Account Activity
Routinely check online accounts linked to your mobile device for any suspicious activity. Watch for things like unknown logins or password reset requests, which could indicate compromise. Enable login notifications for an added layer of monitoring.
Securely Dispose of Old Devices
When retiring an old smartphone or tablet, take steps to protect the personal information it contains. Performing a factory reset only deletes accessible data, leaving recoverable files behind. For full protection, physically destroy the device or use professional data destruction services.
Beware of Physical Access
A thief gaining physical access to your device could circumvent security measures to access data. Avoid leaving your device unattended in public. Also be cautious of people offering to “take a look” at your device for troubleshooting – they may be trying to compromise its security.
Keep Your Software Up to Date
Developers constantly release security patches for operating systems and applications. Failing to regularly update installed software leaves known vulnerabilities open for potential exploitation. Enable automatic updates whenever possible.
Use Caution with Public Wi-Fi
Free public Wi-Fi is convenient but carries security risks. Avoid accessing sensitive data or making purchases over hotspots in coffee shops, hotels, airports, etc. The network traffic is typically unencrypted and could be monitored or manipulated. Use a VPN for greater protection.
Enable Remote Location and Wiping
In case your device is lost or stolen, you want to be able to remotely locate it and, if necessary, remotely wipe the data. Apple’s Find My iPhone and Google’s Find My Device both allow you to locate, lock or erase your device if it is lost or compromised.
Keep Your Device Physically Secure
Do not leave your device unattended, especially in public places. Keep it secured in a bag or pocket when not in use. Never check it with airline luggage or leave it in an unlocked vehicle. Physical access greatly increases the odds of compromise.
Conclusion
Securing your mobile device is essential to protecting your personal and financial information. Make use of the built-in security features, establish strong access controls, avoid unsecured networks, install protective software, and exercise caution in handling your device. Vigilant practices will help mitigate the risk of data breaches and identity theft.
