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Jon Millican

@jonmillican.bsky.social

Applied privacy engineer in the UK. Currently at OpenAI. Previously helped to lead end-to-end encryption for Messenger at Meta. he/him

Posts Replies Media

Reposted by Jon Millican

Jon Millican @jonmillican.bsky.social · 14/03/2026

I've seen a lot of chatter today about Instagram ending support for optional End-to-End Encrypted DMs. I helped to lead on cryptography and privacy for E2EE in Messenger and Instagram for many years, until I left around 10 months ago, so it's disappointing to see it being removed from Instagram.

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Reposted by Jon Millican

walrusfacts.bsky.social @walrusfacts.bsky.social · 06/04/2026

Walrus cows give birth away from their herd. Blubbergasting!

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Reposted by Jon Millican

walrusfacts.bsky.social @walrusfacts.bsky.social · 22/03/2026

Walruses sometimes appear almost-white when swimming because their surface blood vessels constrict in the cold water. Walrusome!

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Reposted by Jon Millican

walrusfacts.bsky.social @walrusfacts.bsky.social · 21/03/2026

Walruses use their tusks to form holes in the ice, and to help them climb out of the water. Blubbergasting!

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Jon Millican @jonmillican.bsky.social · 14/03/2026

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Reposted by Jon Millican

Edwin Hayward @edwinhayward.com · 22/02/2025

FYI, Labour just made every Apple product in the UK less secure. All so that the state can snoop at leisure on anyone they like. (Apple refused to install a back door to let government snoops in and got rid of enhanced security instead. Like binning a door instead of cutting a skeleton key for it.)

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Joseph Lorenzo Hall, PhD @josephhall.org · 22/02/2025

it shouldn't be illegal to not have access to your customers' data

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Reposted by Jon Millican

Joseph Lorenzo Hall, PhD @josephhall.org · 21/02/2025

We at the Internet Society are deeply disappointed that Apple has had to stop offering end-to-end encryption in the UK. The following can be attributed to Dr. Joseph Lorenzo Hall, Distinguished Technologist at the Internet Society: 1/

The following can be attributed to Dr. Joseph Lorenzo Hall, Distinguished Technologist at the Internet Society:

The Internet Society is saddened at the news that Apple has removed access to its cloud end-to-end encryption, known as Advanced Data Protection, for its UK users as a result of pressure by the UK government. This move will make British Apple users less safe, and make their cloud data more susceptible to criminals and other attackers. It is clear that the UK government continued to pressure Apple to weaken the security of its service despite global outcry from cybersecurity experts, civil society, private industry, and foreign politicians.

In choosing to remove the feature rather than building a backdoor into its Advanced Data Protection, Apple ensured that at least its global users would continue to benefit from the security and privacy of end-to-end encryption. However, for UK users, their government ensured that their security and privacy is worse than before.

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Reposted by Jon Millican

Joseph Lorenzo Hall, PhD @josephhall.org · 13/02/2025

Maybe there's something important about end-to-end encryption?! European Parliament is now recommending members use E2EE messaging because of the implications of Salt Typhoon. ht @komadori.bsky.social

pro.politico.eu

European Parliament urges lawmakers to only use encrypted messages after China hacks

13 Feb 2025 - Pro Article - By Max Griera, Ellen O'Regan

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Reposted by Jon Millican

Justin Hendrix @justinhendrix.bsky.social · 07/02/2025

"The British government’s undisclosed order, issued last month, requires blanket capability to view fully encrypted material, not merely assistance in cracking a specific account, and has no known precedent in major democracies."

washingtonpost.com

U.K. orders Apple to let it spy on users’ encrypted accounts

Secret order requires blanket access to protected cloud backups around the world, which if implemented would undermine Apple’s privacy pledge to its users.

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Jon Millican @jonmillican.bsky.social · 13/05/2024

Given that E2EE messaging is coming to Bluesky, now seems a good time to cross-post a thread of mine from Threads, briefly discussing one of the interesting non-obvious tradeoffs that we had to consider around message history.

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Jon Millican @jonmillican.bsky.social · 01/04/2024

Emma Connor and I have been ratcheting the ratchets up to 5! drive.google.com/file/d/1Wr-8...

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