You rely on devices for almost everything, so keeping them secure protects your data, finances, and privacy. Use strong, unique passwords or a reputable password manager and enable two-factor authentication to stop most attackers before they get in.
They should run up-to-date software, install only trusted apps, and connect to secure networks to reduce common risks. Follow practical habits like regular backups and minimal permissions to limit damage if something goes wrong.
Core Strategies to Keep Devices Secure
Devices need layered protections that reduce risk from weak credentials, outdated software, network attacks, malware, physical theft, and careless app permissions. Apply practical steps for credentials, updates, network safety, and recovery to keep data and access intact.
Use Strong Passwords and Password Managers
Recommend unique, randomly generated passwords at least 12–16 characters long for every account. Advise using a reputable password manager (1Password, Bitwarden, LastPass) to create and store complex passwords, autofill securely, and sync across devices.
Instruct users to avoid password reuse, dictionary words, or predictable patterns like “Summer2026!”. Encourage enabling the manager’s built-in breach monitoring and automatic password-change tools where available. Show how to secure the manager itself: a strong master password, device biometrics, and MFA on the manager account.
Provide a quick checklist:
- Generate a unique password per account.
- Store in a password manager, not notes or a browser without a vault.
- Enable vault recovery options and export backups safely.
Enable Multi-Factor Authentication and Passkeys
Advise enabling MFA (2FA) on every service that supports it: email, banking, social, and cloud accounts. Recommend authentication apps (Authy, Google Authenticator) or hardware FIDO2 keys (YubiKey) over SMS, which is vulnerable to SIM swap attacks.
Explain passkeys: platform-backed, phishing-resistant credentials tied to device biometrics (Face ID/Touch ID) or PIN. Encourage migrating accounts that support passkeys (Apple, Google, Microsoft, major banks) to reduce phishing and credential theft. Use MFA for password managers, email, and cloud accounts as a priority.
Offer an implementation order:
- Secure email and password manager first.
- Add MFA to cloud services (iCloud, Google Drive).
- Use hardware keys for high-value accounts.
Keep Software and Apps Updated
Stress automatic updates for OS, firmware, browsers, and apps from official sources: Apple App Store, Google Play Store. Apply security patches immediately for mobile OS (iOS, Android) and desktop platforms (Windows, macOS, Linux) to close known vulnerabilities.
Explain update hygiene: enable automatic updates, review changelogs for critical fixes, uninstall unsupported software, and avoid sideloading apps unless from trusted developers. Update device drivers and router firmware, too. For corporate devices, follow IT patch policies and use managed update tools.
Include quick steps:
- Turn on automatic OS and app updates.
- Remove unmaintained apps and legacy plugins.
- Patch routers and network hardware.
Protect Against Malware, Spyware, and Phishing
Recommend installing apps only from official stores and verifying the developer’s reputation. Use built-in protections (Play Protect, iOS app review) and a trusted anti-malware solution on platforms that support it. Scan new downloads and avoid granting broad permissions to untrusted apps.
Teach how to spot phishing: check sender domains, hover links, verify unexpected attachments, and confirm unexpected account alerts via a second channel. Use browser security features, content blockers, and keep email and messaging apps updated. Report malicious apps and revoke their permissions immediately.
Provide response steps after compromise:
- Isolate the device (airplane mode), change passwords on another secure device, restore from a known-good backup, and scan for persistent threats.
Secure Device Access with Biometrics
Advise enabling biometric authentication (Face ID, Face Unlock, Touch ID) to speed secure access while keeping PIN/passcode as a fallback. Configure biometric settings to require attention or eyes-open checks where available to reduce spoofing.
Explain enrollment best practices: register only primary fingerprints/faces, avoid enrolling multiple people, and require a passcode after a restart. Use biometrics for device unlock, password manager access, and approving high-risk transactions where supported. Balance convenience and security by not relying solely on biometrics for recovery.
Mention device settings to check:
- Require a passcode after restart.
- Disable biometric unlock for specific apps when extra security is needed.
Safeguard Devices from Theft and Loss
Recommend enabling Find My iPhone / Find My Device and linking accounts (iCloud, Google) to allow remote locate, lock, and wipe. Use strong device passcodes and auto-lock timeouts (30–60 seconds), so unattended devices lock quickly.
Advise physical precautions: never leave devices unattended in public, use privacy screens in crowded places, and store devices in secure bags. For laptops, use cable locks where practical. Register serial numbers and keep backups so loss doesn’t mean permanent data loss.
Actions after theft:
- Remotely lock and erase the device, change passwords, and notify carriers and financial institutions if sensitive accounts could be accessed.
Secure Network Connections and Use a VPN
Recommend using trusted Wi‑Fi networks and avoiding open public hotspots. When using public Wi‑Fi, connect through a reputable VPN (NordVPN, ProtonVPN, or a corporate VPN) to prevent man‑in‑the‑middle attacks and encrypt traffic.
Configure home routers: change default admin credentials, enable WPA3 or WPA2-AES encryption, disable WPS, and apply firmware updates. For remote work, require VPN and MFA to access corporate resources. Use HTTPS-only browsing and DNS over HTTPS/DoT where supported.
List quick checks:
- Verify network names before joining.
- Use VPN on public networks.
- Harden router settings and set a strong Wi‑Fi password.
Manage App Permissions and Privacy Settings
Audit app permissions regularly using app privacy reports on iOS and Android. Revoke unused permissions for camera, microphone, location, contacts, and background data. Limit apps’ background activity and restrict sensitive data access to necessary apps only.
Encourage periodic privacy audits: check which apps have access to cloud accounts (iCloud, Google Drive), third‑party access to social accounts, and revoke stale OAuth tokens. Prefer permissions granted only while using the app, and disable unnecessary notification previews on lock screens.
Provide a short permissions checklist:
- Review the App Privacy Report / Permission manager monthly.
- Remove apps with excessive permissions.
- Revoke third‑party integrations not in active use.
Perform Regular Backups to Cloud or External Drives
Advise automatic encrypted backups: iCloud for Apple devices, Google Drive/Google One for Android, or third‑party encrypted cloud services. Schedule local backups to an external drive as an additional recovery path and test restores periodically.
Explain best practices: use end-to-end encrypted backup options when available, encrypt external drives, keep at least one offline backup copy, and verify backup integrity after major changes or updates. Include backup for passwords (password manager export) and 2FA recovery codes stored securely.
Backup checklist:
- Enable automatic cloud backups.
- Maintain an encrypted local backup.
- Store recovery codes and verify restores.
Monitor Account and Device Activity
Recommend enabling account activity alerts for sign‑ins, new device additions, and password changes across email, cloud, and financial services. Review recent device lists in account settings (Google, Apple, Microsoft) and remove unrecognized devices promptly.
Use security dashboards and breach notification services to monitor compromised credentials. Set up login alerts and location-based sign-in notifications. Periodically review connected apps and revoke outdated OAuth access to reduce long-term exposure.
Incident steps:
- Revoke unknown devices.
- Rotate passwords and reissue MFA tokens if suspicious activity appears.
- Check device logs and run malware scans.