(C) Alec Muffett's DropSafe blog.
Author Name: Alec Muffett
This story was originally published on allecmuffett.com. [1]
License: CC-BY-SA 3.0.[2]


QUESTION: What crimes are easier to commit when there is no end-to-end encryption of messenger systems; and what opportunities are lost?

2021-11-20 00:47:32+00:00

I was asked this question, and it’s a good one, speaking clearly to “what is the value proposition of robust end-to-end encryption that is worthy of the name?”

I have written on an abstract level on this topic before, but my questioner is looking for a concrete checklist so I am hastily thrashing out some thoughts before bedtime, and will come back / update this later, with suggestions from Twitter and Facebook (if any).

Some thoughts and simple bullet points follow; I welcome comments and suggestions either below, or on the related Twitter thread.

What is End-to-End Security?

The value of end-to-end encryption is that only entities which can, are, and are visible as part of a group, have access to data shared with the group that is contemporaneous with their membership.

Therefore the baseline for any crimes which are enabled by lack of robust end-to-end security, are crimes which break this model; there certainly are more, but these are the low-hanging fruit.

In all instances we will use PLATFORM — rather than Facebook, Twitter, WhatsApp, Google, E-mail, Parler, Yahoo, AOL, etc, — as our hypothetical messaging platform, because it’s less emotionally charged to speak generically. In all scenarios, imagine what would happen / how much worse the situation would be, if the hypothetical PLATFORM was not end-to-end encrypted.

Data-Access Hacks

Data-Value Hacks

Opportunity-Cost Hacks

Wouldn’t it be nice if banks had the option of replacing insecure SMS with secure E2EE chats for transactions and/or didn’t have to rely upon custom-app chats?

Are you aware that Apple basically stitches together all of a users’ devices in a tiny cloud of end-to-end encryption, and uses that to (e.g.) synchronise payment details and browser bookmarks between all devices?

OMG SMS
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[1] URL: https://alecmuffett.com/article/15511#comment-232648
[2] URL: https://creativecommons.org/licenses/by-sa/3.0/

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