How to Secure Your Mobile Device for Work
Why Mobile Security Matters
Your phone likely has access to work emails, documents, and sensitive information. If it is lost, stolen, or compromised, criminals could access your company data. Here is how to keep it secure.
Essential Security Settings
Set a Strong Screen Lock
Your first line of defence is a good lock screen:
Best options:
- Fingerprint or Face ID (most convenient and secure)
- 6-digit PIN (better than 4-digit)
- Complex password (most secure but less convenient)
- Simple patterns (easy to observe)
- 4-digit PINs like 1234 or 0000
- No lock at all
iPhone:
- Settings → Face ID & Passcode (or Touch ID & Passcode)
- Turn on Face ID or Touch ID
- Set a 6-digit passcode as backup
- Settings → Security → Screen lock
- Choose Fingerprint or PIN
- Set up biometrics if available
Enable Auto-Lock
Your phone should lock automatically when not in use:
Recommended: Lock after 30 seconds to 1 minute
iPhone:
- Settings → Display & Brightness → Auto-Lock
- Select 30 seconds or 1 minute
- Settings → Security → Screen lock → Auto-lock
- Select 30 seconds or 1 minute
Enable Find My Phone
If your device is lost or stolen, you can locate, lock, or erase it:
iPhone:
- Settings → [Your Name] → Find My
- Turn on Find My iPhone
- Enable "Send Last Location"
- Settings → Security → Find My Device
- Turn it on
- Ensure location is enabled
Enable Remote Wipe
This lets IT erase your device if it is lost:
iPhone:
- Automatically available with Find My iPhone
- Automatically available with Find My Device
- Your IT administrator may have already configured this through mobile device management
Keep Software Updated
Updates include security patches:
iPhone:
- Settings → General → Software Update
- Enable Automatic Updates
- Settings → System → System update
- Check for updates regularly
Protect Your Data
Use Encrypted Connections
- Only connect to trusted WiFi networks
- Avoid public WiFi for work tasks
- Use your mobile data for sensitive work if needed
- Use a VPN if your company provides one
Be Careful with Apps
- Only install apps from official app stores
- Check app permissions before installing
- Remove apps you no longer use
- Be suspicious of apps asking for excessive permissions
Secure Your Email
If using work email on your phone:
- Use the official Outlook or Gmail app
- Enable biometric authentication within the app
- Do not save work passwords in browsers
Protect Work Documents
- Do not download sensitive documents unless necessary
- Delete work files when no longer needed
- Use your company's approved apps for documents
- Avoid storing passwords in notes apps
Physical Security
Never Leave Your Phone Unattended
- Keep it with you or locked away
- Do not leave it on tables in cafes
- Be aware of your surroundings when using it
Be Careful When Travelling
- Keep your phone in a secure pocket or bag
- Be extra cautious in crowded places
- Consider using a privacy screen protector
Do Not Lend Your Unlocked Phone
- If someone needs to make a call, dial for them
- Do not let strangers "quickly check something"
- Scammers can install malware in seconds
What to Do If Your Phone Is Lost or Stolen
Immediate Steps
- Try to locate it using Find My iPhone or Find My Device
- If you cannot recover it, remotely lock or erase it
- Contact IT immediately at helpdesk@netlumait.com.au or 1300 521 162
- Change passwords for any accounts accessed on that device
What IT Will Do
- Help secure work accounts
- Remotely wipe company data if needed
- Ensure no unauthorised access occurred
- Assist with setting up a new device
Work Phone vs Personal Phone
If you use a personal phone for work:
- Consider separate work profiles (available on Android)
- Keep work and personal apps separate where possible
- Remember that work data on your phone may be managed by IT
- Understand your company's mobile device policy
Need Help?
For mobile security questions or to report a lost or stolen device, contact helpdesk@netlumait.com.au or call 1300 521 162.
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