WhatsApp Quietly Extends Encryption to iCloud Backups of Chat Logs


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whatsapp has bolstered security of icloud backup feature in messaging platform, in attempt protect archived chat logs being accessed in readable form (via techcrunch).

whatsapp has offered end-to-end encryption on messaging service time, encryption did not extend icloud backups of messages. given apple holds encryption keys icloud, subpoena of apple or unauthorized icloud hack potentially allow access whatsapp messages backed there.

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however, whatsapp has moved prevent possibility pre-encrypting backup files. "when user backs chats through whatsapp icloud, backup files sent encrypted," whatsapp spokesperson told forbes, confirming change.

whatsapp quietly added encryption whatsapp icloud backups late last year, change came light last week when professional hackers claimed able circumvent security measure.

according russian-based oxygen forensics, third-party hacking tools able download encrypted whatsapp data backed icloud , generate encryption key decrypt data using associated sim card. tools potentially used police access phone whatsapp account has been deactivated encrypted messages still stored in icloud. whatsapp has yet comment on claims.

encryption debate has been reignited in recent weeks on both sides of atlantic. fbi director james comey revealed earlier month agency had been unable access data on more 3,000 mobile devices in first half of fiscal year, despite having legal authority avail of contents.

recent statement u.s. senator dianne feinstein appeared confirm government had used $900,000 of public money pay third-party tools unlock iphone used san bernardino terrorist. no information of relevance found on device, fbi later revealed.

meanwhile in u.k., government home secretary amber rudd claimed "completely unacceptable" authorities cannot gain access messages stored on mobile applications protected end-to-end encryption, such whatsapp. rudd said discussing situation technology companies in near future.

since time, draft technical paper prepared u.k. government has been leaked contains proposals related removal of encryption private communications. paper reveals companies required provide raw data "in intelligible form" without "electronic protection" within 1 working day. discussions feasibility of proposals said ongoing.

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article link: whatsapp quietly extends encryption icloud backups of chat logs
 

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