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Submitted via IRC for TheMightyBuzzard
Google will slowly be rolling out a number of changes for consumer Gmail users and G Suite users. Some of the changes improve usability and productivity, while others are meant to maximize data and user protection. Some of the new security options should help enterprise users meed GDPR compliance needs.
[...] Gmail confidential mode will allow users to:
- Set expiration dates for emails or revoke previously sent messages
- Secure access to the contents of emails by requiring recipients to enter a password
- Restrict the recipients’ ability to forward, copy, download or print emails.
These things will be possible because these emails will not be actually downloaded in the recipients’ inbox, but will be placed on a separate page/window where their content can be viewed, and the email will show that page.
Guess I'll be switching to ProtonMail for my webmail needs, which, granted, are few.
Source: https://www.helpnetsecurity.com/2018/04/26/gmail-self-destructing-emails/
(Score: 2) by Wootery on Wednesday May 02 2018, @10:22AM (1 child)
But that whole thought-experiment depends on cooperative devices that the authorities control, as opposed to devices that work for the user. Even if you could control the viewing hardware used by untrusted recipient (you could force use of a specific controlled device, the way games consoles do), you still lose: the recipient can still photograph their screen.
DRM can work reasonably well to control the ability to run a program on a games console (in both directions: it can forbid running the game on an arbitrary platform, and forbid running arbitrary code on the controlled platform). DRM doesn't work when you're trying to control read access to confidential documents.
Incidentally, it's also the reason your QR code thought experiment would never work. If a totalitarian idea depends on banning the public use of film-based cameras, well, good luck with that.
(Score: 2) by VLM on Thursday May 03 2018, @01:12PM
Its all about the casuals. Can joe 6 pack copy a cassette tape, back in the old days, sure. Can joe 6 pack copy a blueray, no. Eliminate 99% of the copying etc etc.
Its weaponizing QR codes against joe 6 pack and ida instagram and fanny facebook, not people who can use an IDE to write software.
Just ship phone rom images with the default camera app that shuts down or reports you if it detects the special QR code in a pic, thats all, nothing too elaborate.
99.99% effective is more than good enough to stop random civilians from recording police beatdowns, for example.