How to Run a Security Check on Your iPhone in 2026

iPhone security in 2026 centers on three checks: device encryption status, app permissions audit, and iCloud security review. iOS 26 adds new security features including Enhanced Visual Look Up Privacy, improved Privacy Report in Safari, and expanded Advanced Data Protection.

Quick Security Check Checklist

• Passcode and Face ID: Settings > Face ID & Passcode. Verify Face ID is set up and a 6-digit (or longer alphanumeric) passcode is enabled. Avoid 4-digit passcodes.

• Software updates: Settings > General > Software Update. iOS 26.x security patches address newly discovered vulnerabilities. Always be on the latest version.

• Advanced Data Protection: Settings > [your name] > iCloud > Advanced Data Protection. This enables end-to-end encryption for iCloud Backup, Photos, Notes, and most other data. Requires recovery contact or key setup. Highly recommended.

• App permissions review: Settings > Privacy & Security > each category (Location, Microphone, Camera, Photos). Review which apps have access and whether "Always" or "While Using" is appropriate for each.

• App permissions per-app: Settings > [App Name] > see all granted permissions. Check all apps with microphone access specifically.

• Lock Screen access: Settings > Face ID & Passcode > Allow Access When Locked. Disable Siri, notification preview, and Control Center if you want maximum lock screen privacy.

Privacy Report

Settings > Privacy & Security > App Privacy Report (must enable). After 7 days shows which apps are accessing your camera, microphone, contacts, and which domains your apps contact. Identify unexpected background data collection.

For Note App Privacy Specifically

If you use Nemos: all AI processing is on-device via Apple Foundation Models. Check that iCloud sync is appropriate for your threat model. Enable Advanced Data Protection to encrypt Nemos data in iCloud backup.

If you use Notion, Evernote, or other cloud apps: your note content is on those companies’ servers. Review their privacy policies for AI training data usage.