WhatsApp now lets customers encrypt their chat backups within the cloud – TechCrunch


WhatsApp is starting to roll out a brand new characteristic that may present its two billion customers the choice to encrypt their chat historical past backup in iCloud or Google Drive, patching a serious loophole that has been exploited by governments to acquire and evaluation non-public communication between people.

WhatsApp has lengthy encrypted chats between customers on its app. However customers have had no means to guard the backup of these chats saved within the cloud. (For iPhone customers, the chat historical past is saved in iCloud, and Android customers depend on Google Drive.)

It has been extensively reported that regulation enforcement companies throughout the globe have been in a position to entry the non-public communications between suspect people on WhatsApp by exploiting this loophole.

WhatsApp, which processes over 100 billion messages a day, is closing that weak hyperlink, and tells TechCrunch that it’s offering this new characteristic to customers in each market the place the app is operational. The characteristic is non-obligatory, the corporate stated. (It’s not unusual for firms to withhold privateness options for authorized and regulatory causes. Apple’s new encrypted shopping characteristic isn’t out there to customers in sure authoritarian regimes, similar to China, Belarus, Egypt, Kazakhstan, Saudi Arabia, Turkmenistan, Uganda and the Philippines.)

Mark Zuckerberg, founder and chief govt of Fb, famous that WhatsApp is the primary world messaging service at this scale to supply end-to-end encrypted messaging and backups. “Pleased with the workforce for persevering with to steer on safety in your non-public conversations,” he wrote in a publish on his Fb web page.

WhatsApp started testing the characteristic with a small group of customers final month. The corporate devised a system to allow WhatsApp customers on Android and iOS to lock their chat backups with encryption keys. WhatsApp says it can supply customers two methods to encrypt their cloud backups.

Customers on WhatsApp will see an choice to generate a 64-digit encryption key to guard their chat backups within the cloud. Customers can retailer the encryption key offline or in a password supervisor of their alternative, or they will create a password that backs up their encryption key in a cloud-based “backup key vault” that WhatsApp has developed. The cloud-stored encryption key can’t be used with out the consumer’s password, which isn’t recognized to WhatsApp.

“Whereas end-to-end encrypted messages you ship and obtain are saved in your system, many individuals additionally need a technique to again up their chats in case they lose their cellphone,” the corporate wrote in a weblog publish.

The characteristic will be accessible by navigating to Settings > Chats > Chat Backups > Finish-to-Finish Encrypted Backup (Picture Credit: WhatsApp)

As we wrote final month, the transfer to introduce this extra layer of privateness is critical and one that may have far-reaching implications.

Ideas, governments?

Finish-to-end encryption stays a thorny matter of debate as governments throughout the globe proceed to foyer for backdoors. Apple was pressured to not add encryption to iCloud Backups after the FBI complained, in response to Reuters, and whereas Google has supplied customers the flexibility to encrypt their knowledge saved in Google Drive, the corporate reportedly didn’t inform governments earlier than it rolled out the characteristic.

India, WhatsApp’s greatest market by customers, has launched a brand new regulation that requires the corporate to plot a technique to make “traceability” of questionable messages attainable. WhatsApp has sued the Indian authorities over this new mandate, and stated such a requirement successfully mandates “a brand new type of mass surveillance.”

The U.Okay. authorities — which isn’t precisely a fan of encryption — not too long ago requested messaging apps to not use end-to-end encryption for teenagers’ accounts. Elsewhere on the earth, Australia handed controversial legal guidelines three years in the past which might be designed to pressure tech firms to offer police and safety companies entry to encrypted chats.

WhatsApp declined to debate whether or not it had consulted with lawmakers or authorities companies concerning the new characteristic.

Privateness-focused organizations together with Digital Frontier Basis have lauded WhatsApp’s transfer.

“This privateness win from Fb-owned WhatsApp is hanging in its distinction to Apple, which has been beneath hearth not too long ago for its plans for on-device scanning of photographs that minors ship on Messages, in addition to of each picture that any Apple consumer uploads to iCloud. Whereas Apple has paused to think about extra suggestions on its plans, there’s nonetheless no signal that they are going to embody fixing one in every of its longstanding privateness pitfalls: no efficient encryption throughout iCloud backups,” the group wrote.

“WhatsApp is elevating the bar, and Apple and others ought to comply with go well with.”


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