Imagine that you’re scrolling on Facebook (or any social media platform) and you come across a compelling ad promoting a fun, free new app. Instinctively, you look for the download button, anxious to get started. Exercise caution before you click that download button—understand that downloading an app you aren’t familiar with can put your personal data at risk and potentially introduce malware.
According to Zimperium’s 2024 Global Mobile Threat Report, users who engage in “sideloading”—installing apps from sources outside official app stores, such as Apple App Store, Google Play, or Amazon Appstore—are 200% more likely to encounter malware on their devices compared to those who stick to authorized app stores.
When downloading and using mobile apps, prioritizing security and data privacy is critical to safeguard your personal information and prevent potential breaches. Here are some key concerns to consider:
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App Permissions
- Minimize access to your personal data: Be cautious about the permissions requested by apps. Does a photo editing app actually need access to your contacts or location?
- Grant permissions selectively: Only allow access when the app needs it for essential functions. For example, a navigation app would need location access, but a simple word game likely would not.
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Privacy Policy Review
- Check the app’s privacy policy: Most cell phone users don’t like to pay much attention to terms and conditions, including the privacy policy. However, this will tell you what data is collected by the app, how it’s used, and whether it’s shared with third parties—information that should not be skipped over or ignored.
- Be wary of vague policies: If the privacy policy is unclear or missing, it’s a red flag that your data may not be handled properly.
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Data Encryption
- Ensure the app encrypts your data: Apps that handle sensitive information, including banking, healthcare, or communication apps, should use encryption both in transit—when sending data over the internet—and at rest when stored on servers.
- Secure connections: Ensure that the app uses HTTPS to secure communication between your device and its servers.
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Authentication and Password Management
- Enable multi-factor authentication (MFA): For apps that manage sensitive data, including email, banking, or social media, enabling MFA adds an extra layer of protection. Learn more about MFA and how it works.
- Use strong, unique passwords: Don’t reuse passwords across apps, systems, or websites. Using a password manager can help generate and store complex passwords. Learn more about password security tips.
- Biometric security: Utilizing biometric authentication, such as fingerprint or facial recognition, adds an extra layer of security.
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Data Storage and Retention
- Local vs. cloud storage: Some apps store data locally on your device, while others store it in the cloud. Be cautious of apps that store sensitive data on remote servers without proper protection.
- Data retention: Understand how long the app will retain your data and whether you can delete it. Look for apps that give you control over your personal information.
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Reputation, Reviews, and App Updates
- Reputable sources: Download apps from a known, trusted source that has a history of respecting user privacy and maintaining strong security practices.
- Ratings and reviews: Research user reviews and ratings on the official app store to ensure the app is reliable and free from security issues. Be cautious of apps with few reviews or overwhelmingly positive but generic comments.
- Frequent updates: Regular updates often include security patches. Avoid apps that are rarely updated or come from developers with poor security track records. Search the developer’s name and research their reputation. Ensure they are a trusted and established company, especially if the app is handling sensitive information.
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Avoid Sideloading Apps
- Download from official app stores: Avoid downloading apps from unofficial sources or sideloading apps, as they often bypass security checks and can often contain malware. Beware of apps advertised on social media ads, as scammers often use social media to promote fraudulent or malicious apps.
- Malware risks: Apps from third-party stores or unauthorized sources can be tampered with to include malware that steals your data or compromises your device. Confirm the app is associated with an official company page, not a random or suspicious account.
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Data Sharing and Third Parties
- Third-party trackers: Some apps share your data with advertisers or analytics companies. Pay special attention to the privacy policy where they will disclose who the data is shared with.
- Social media logins: Be cautious when using your social media account to log into other apps. This can give third parties access to your profile information.
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Location Tracking
- Limit location tracking: Only consent to location tracking when it’s necessary for the app to function. Many apps request continuous access to your location, even when not in use, which can invade your privacy.
- Use location only while the app is active: Most operating systems (like iOS and Android) allow you to restrict apps from tracking your location when they’re not actively in use.
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Ad Networks and In-App Ads
- Ad networks: Free apps may rely on ad networks that track your behavior across apps and websites, often resulting in data being collected for targeted advertising.
- Opt-out options: Many apps offer an option to opt out of targeted advertising or to limit the data shared with advertisers. Always select this option when it is available.
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App Security Certifications
- Look for security certifications: Apps with specific certifications or that adhere to strict data protection regulations, such as GDPR or CCPA, are more likely to manage your data responsibly.
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Device Security Features
- Keep your operating system updated: Keep your device’s operating system regularly updated to ensure it has the latest security patches.
- Use a VPN: If you’re using apps on public Wi-Fi, consider using a VPN to encrypt your internet connection and prevent eavesdropping.
RELATED: How to Improve Security on Your Mobile Device
By taking extra precautions, you can significantly reduce the risks associated with downloading and using mobile apps, while ensuring that your personal data is better protected.
Have teenagers? Read our blog, “10 Tips to Help Teens Secure Their Mobile Devices” and share it with them!
