Protect Your Laptop Before It Is Lost or Stolen
Matthew Leo · Published August 6, 2026 · Guides
Location tracking may help find a stolen laptop, but encryption determines whether the thief can read what is already on it.
Prepare both before travelling. Then preserve the recovery keys somewhere other than the computer, create a real backup and record the information required for a police or insurance report.
This guide applies to Windows 10 or 11 laptops and current Macs. Work and school computers may be controlled by an administrator, so check with that organization before changing encryption or account settings.
Begin with a screen lock that matters
Use a strong account password or PIN and require it when the computer wakes. A laptop that opens directly to the desktop has already surrendered its first security boundary.
Windows Hello can use a PIN, fingerprint or supported camera. The PIN is tied to the device and should not match a bank-card or telephone code.
On a Mac, use Touch ID where available but preserve a strong login password. Biometrics do not eliminate the password; the computer will still require it after certain restarts and security events.
Set a short automatic screen-lock period before travel. Manually lock the laptop whenever leaving it, even inside a hotel room or shared office.
Check encryption on Windows
Microsoft says Device Encryption can automatically protect supported Windows devices. It is available on more systems than the complete BitLocker management interface, including some computers running Windows Home.
Open Settings, Privacy & security, then Device encryption. If the option is present, confirm that it is on.
Windows Pro, Enterprise and Education can also expose BitLocker Drive Encryption. Search Start for Manage BitLocker and confirm that the operating-system drive is protected.
Encryption can take time. Keep the laptop connected to reliable power and do not interrupt firmware updates or force shutdowns during the initial process.
Verify the BitLocker recovery key now
The recovery key is a 48-digit number that can unlock an encrypted drive when Windows cannot verify the ordinary startup environment.
Microsoft allows users to check keys stored in a Microsoft account from another device. Work or school keys may instead be held by the organization.
Do not assume the key exists merely because encryption appears enabled. Confirm that the stored key matches the laptop’s key identifier.
Keep an additional copy somewhere separate and protected. Microsoft Support cannot recreate a missing BitLocker recovery key. Storing the only copy in a file on the encrypted laptop defeats the exercise.
Turn on FileVault on a Mac
On a current Mac, open System Settings, Privacy & Security, then FileVault. Apple says FileVault adds login-based protection to the startup disk.
Macs with Apple silicon or a T2 Security Chip already encrypt stored data, but FileVault provides an additional access-control layer tied to the login password.
During setup, macOS provides a recovery method using the Apple Account or a recovery key. Understand which option is active and verify access before leaving home.
If FileVault relies on a separate recovery key, keep it outside the Mac. Losing both the login password and recovery route can make the files permanently inaccessible.
Enable location and remote locking
On Windows, Find My Device requires a Microsoft account, location services and advance setup. Open Settings, Privacy & security, Find my device and turn the feature on.
Microsoft’s device portal can display a location and remotely lock a prepared Windows laptop. Location is not guaranteed: the device must communicate with Microsoft, and a thief can keep it offline.
On a Mac, enable Find My Mac through the Apple Account and iCloud settings. Confirm that the Mac appears in Find My on another trusted Apple device or at iCloud.com/find.
Apple’s Find My network can help locate supported devices. Activation Lock can also make reactivation more difficult, but neither feature replaces encryption or a backup.
Create a backup that does not travel in the same bag
A portable drive beside the laptop can disappear with it. Keep another copy at home or use an appropriately secured cloud backup.
Mapletechie’s 3-2-1 backup guide recommends three copies on two types of storage with one copy away from the original device.
Test several restored files before travel. Synchronization alone may copy an unwanted deletion or encrypted file to the cloud, while an untested backup can fail precisely when it becomes necessary.
Prepare the account recovery routes
Confirm that the Microsoft or Apple Account recovery email and telephone number are current. Save backup authentication codes somewhere the traveller can reach without the missing laptop.
A password manager on the stolen device is not helpful if the owner cannot sign into the vault elsewhere. Test access from another trusted device and understand the recovery process before departure.
Do not weaken passwords simply to make them memorable during travel. Preserve a strong recovery method that does not depend on the one object most likely to disappear.
Record the identifying information
Photograph or record:
- Manufacturer, model and serial number
- Purchase receipt and current value
- Device name shown in the Microsoft or Apple account
- Distinctive physical markings
- Employer asset number where applicable
- Insurance policy and reporting information
Store this record outside the laptop. A serial number can help police, an insurer or a repair provider identify the machine.
Respond carefully after a theft
- Use Find My or Microsoft’s device portal from a safe location.
- Lock the laptop remotely when that option is available.
- Record the displayed location without confronting anyone.
- Report the theft to police and provide the serial number.
- Notify an employer or school immediately for a managed device.
- Change high-risk account passwords if the computer was unlocked or unencrypted.
- Revoke sessions and tokens for email, cloud storage and business systems.
- Contact the insurer with the police report and purchase record.
Do not remove a Mac from the Apple Account simply to tidy the device list. Removing it can also remove protections that make unauthorized reuse more difficult.
Run the check before every major trip
Confirm encryption, recovery keys, tracking, backups and account recovery at least a few days before departure. That leaves time to complete encryption and resolve a missing key.
A cable lock and careful handling can reduce the chance of theft. The deeper preparation assumes prevention may fail.
The goal is not only to recover the hardware. It is to ensure that losing one laptop does not also mean losing the files, accounts and private information stored inside it.
Tags: laptop security, BitLocker, FileVault, Find My, travel technology