Secure the device you carry

Mobile security for your phone and the apps on it

Lock down phones, apps, permissions, messages, backups, and the plan for a lost device.

Before it is lostset up finding, backup, and remote erase
Editorial illustration for Mobile security
this.you field guide / Mobile

The big picture

Protection works in layers.

Your phone is an identity token, wallet, camera, archive, and password-reset device. Its strongest protection comes from a current operating system, a strong lock, restrained permissions, and a recovery plan set up before loss.

  1. 01

    Install operating-system and app updates

  2. 02

    Use a strong device credential

  3. 03

    Review app permissions and sources

  4. 04

    Enable encrypted backup and device finding

Private, in-browser check

Phone hardening check

Answer four quick prompts. The result stays in this tab and points you to a relevant guide.

Hub & spoke library

Follow the full pathway.

Start with the guide closest to your situation. Each spoke returns here so you can move from immediate action to long-term protection.

01

iPhone privacy settings

Review tracking, location, photos, microphones, diagnostics, lock-screen exposure, and account recovery.

8 min↗
02

Android privacy settings

Review permissions, background access, advertising controls, app sources, account activity, and updates.

8 min↗
03

App permissions guide

Decide when an app truly needs location, contacts, photos, camera, microphone, nearby devices, or accessibility.

8 min↗
04

Mobile malware protection

Recognize risky installs, abusive permissions, configuration profiles, overlays, and account symptoms.

8 min↗
05

Secure messaging guide

Compare encryption, backups, metadata, contact verification, disappearing messages, and device access.

8 min↗
06

Lost or stolen phone plan

Prepare device finding, carrier controls, backups, recovery codes, remote lock, and account triage.

8 min↗

At a glance

A working model

Use this table to connect the control to the result and the moment it needs attention.

LayerWhat it changesWhen to use it
Screen lockCasual and physical accessStrong PIN/password + biometrics
UpdatesKnown vulnerabilitiesAutomatic where practical
App permissionsExcess collectionAllow only while needed
Find/eraseLost or stolen deviceEnable and test now

One move today

Install operating-system and app updates.

Start the first guide →