iPhone 12 poses potential security risk for WhatsApp users

Transferring messages to your new iPhone 12 may compromise WhatApp’s most important feature

WhatsApp, Web app, Messaging

WhatsApp users who plan to purchase the new iPhone 12 will use a similar method to transfer their chat history to their new phone as they would to transfer their iMessage chats. According to Forbes, this may negate WhatsApp’s most critical features: security.

WhatsApp and iMessage are end-to-end encrypted, so only senders and recipients should be able to read these messages. If you purchase the new iPhone 12, you can transfer your message accounts and histories from your previous phone to your new one.

However, message security differs between iMessage and WhatsApp, and transferring your messages could compromise the end-to-end encryption.

According to WhatsApp: “Backup your chat history and media to iCloud so if you lose your iPhone or switch to a new one, your chat history is safe.” The issue is, unlike iMessage, WhatsApp doesn’t provide end-to-end encryption for backed up media and messages while they’re in iCloud.

By backing up messages to iCloud, you’re providing Apple with the key to your data. For example, a warrant may force Apple to give law enforcement officials access to your WhatsApp backups. This nullifies WhatsApp’s end-to-end encryption.

iMessage used to have the same problem with iCloud backups negating end-to-end encryption. In 2017, iOS 11 addressed this issue. Now, when you get a new Apple device, you can upload your messages by enabling “Messages in iCloud” in iCloud settings, which maintains end-to-end encryption and protects your information with a unique key only the user knows.

According to Apple: “If you have iCloud Backup turned on, your backup includes a copy of the key protecting your Messages.”

You can avoid this security flaw altogether by not backing up WhatsApp messages to iCloud, but you risk losing your message history if you lose or change your phone.

WhatsApp users can also preserve the encryption by backing up their phones to a Mac or PC and restore from there. They can also use offline device-to-device migration. The issue here is, WhatsApp recommends neither of these alternatives for transferring messages to a new phone.

WhatsApp is working on an update to provide a secure way of transferring message history to a new iPhone 12. The solution will have multiple linked devices and end-to-end encrypted backups for full message histories on all devices. Unfortunately, these solutions won’t be available when the new iPhone 12 first hits stores.

Featured Resources

Managing security risk and compliance in a challenging landscape

How key technology partners grow with your organisation

Download now

Evaluate your order-to-cash process

15 recommended metrics to benchmark your O2C operations

Download now

AI 360: Hold, fold, or double down?

How AI can benefit your business

Download now

Getting started with Azure Red Hat OpenShift

A developer’s guide to improving application building and deployment capabilities

Download now

Recommended

Weekly threat roundup: SAP, Windows 10, Chrome
vulnerability

Weekly threat roundup: SAP, Windows 10, Chrome

21 Jan 2021
Biden nominees highlight tough cyber security challenges
cyber security

Biden nominees highlight tough cyber security challenges

20 Jan 2021
Report: Security staff excluded from app development
cyber security

Report: Security staff excluded from app development

20 Jan 2021
Best MDM solutions 2020
mobile device management (MDM)

Best MDM solutions 2020

20 Jan 2021

Most Popular

Citrix buys Slack competitor Wrike in record $2.25bn deal
collaboration

Citrix buys Slack competitor Wrike in record $2.25bn deal

19 Jan 2021
How to recover deleted emails in Gmail
email delivery

How to recover deleted emails in Gmail

6 Jan 2021
SolarWinds hackers hit Malwarebytes through Microsoft exploit
hacking

SolarWinds hackers hit Malwarebytes through Microsoft exploit

20 Jan 2021