ZDNET's key takeaways

Smartphone permissions can quietly invade your privacy.
Reviewing app permissions can help prevent data exposure.
Check these permissions first then audit them regularly.

Your smartphone whether Android iOS or another system can create trails that others might follow if they know how.

Every app demands some permissions. Ordering food may require GPS access a performance tool might seek file access and social platforms often want push notification rights.

Convenience aside poor permission management can grant apps excess control exposing private information.

You control what your device shares and when. A quick review of key permissions below can shrink your digital trail and limit exposure.

Where to locate phone permissions

Permission locations vary by device type operating system and version.

On Android navigate to Settings then Security and privacy then More privacy settings then Permission manager. On iOS check Settings then Privacy and Security or Settings for the specific app.

Which permissions require review or changes

Apps request permissions during install or updates. A weather app may seek constant location access while a delivery service wants the same for routing.

Sensitive requests like location or microphone offer choices such as all the time while using the app ask every time or never.

For casual apps limit access to while using the app only. Details on each follow.

1. Location settings

Location relies on GPS and can track you or map frequent spots so review it first.

Constant access may reveal home work and routine locations which poses risks in stalking cases though some keep sharing active for family awareness.

Generally set to only when using the app or enable manually when required.

2. Camera settings

Constant camera access drains battery and invades privacy through unexpected recording.

Allow only when using the app for filters video calls or social media. No app truly needs always-on camera access.

3. Microphone settings

Unlimited microphone access risks data leaks and privacy breaches.

Unless needed for calls or voice features choose ask every time or never. News apps for instance have no valid need.

Combined camera and microphone access raises extra concerns unless for trusted video tools.

4. Contacts and SMS

Many apps from social media to car features request these revealing family work and message details.

Platforms like Instagram may seek contact sync for suggestions but this enables profiling and ads.

Decide based on needs and adjust later if desired.

5. Calendars

Broad calendar access across apps risks leaks. Services like email or conferencing may need it but limit to ask every time or while using the app.

Uncontrolled access exposes schedules travel plans and medical visits including times away from home.

6. Health data access

Health and fitness details attract interest for insurance marketing or model training.

Grant access only to dedicated health apps and deny others like shopping or games.

7. More permissions to check

Photos and videos: These hold personal details and location metadata so limit access where possible.
Physical activity: Treat like health data since map apps and similar can gather sensitive movement info.
Notifications: Some apps seek this for alerts while others may intercept 2FA codes.
Bluetooth nearby devices: Needed for speakers or doorbells but restrict to when in use.

What to do with extensive permission requests

Consider why an app needs each permission before approving. Overly broad asks especially combined file camera and microphone access may signal issues or data collection goals.

Using the app remains your choice. Uninstall if demands seem excessive or disable features.

How often to review permissions

Check every few months or more often with many apps installed. Remove unused apps.

Updates to systems and apps should be installed promptly to close vulnerabilities. Delete any app that behaves oddly after updates.