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redshiftzero

@redshiftzero.bsky.social
539 followers 166 following 6 posts

CTO @freedom.press i like computers, cryptography, physics github.com/redshiftzero formerly @penumbra.zone

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Reposted by redshiftzero
Freedom of the Press Foundation @freedom.press · 15/08/2026
Your phone won’t run an app that’s been tampered with, but your browser will run anything a server sends it. WEBCAT is a tamper-evident seal for web applications, developed by @freedom.press. Find out more:
freedom.press
WEBCAT: A tamper-evident seal for the open web
Security and privacy online are critical to protect users from eavesdroppers and attackers. The biggest success story of the last decade is HTTPS, the protocol that ensures the connection between a…
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Lucy Parsons Labs @lucyparsonslabs.com · 05/08/2026
Our good friends from @eff.org are going to join us at #DEFCON34 to talk about ALPRs. We will go into excruciating details about how all the governance and policies around ALPRs are designed to fail. bsky.app/profile/evac...
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redshiftzero @redshiftzero.bsky.social · 04/08/2026
i’ll be at #defcon34 with @trevortimm.bsky.social this week Lessons from a decade of building whistleblower tech When: Friday, August 7th at 2:00pm Where: LVCC - L1 - Exhibit Hall West 3 - 906 (Main Track 3) defcon.org/html/defcon-...
defcon.org
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Lockdown Systems @lockdown.systems · 04/08/2026
Lockdown Systems will be at DEF CON this week! ☠️🐢 Come meet our collective members @micahflee.com, @yaelwrites.com, and @redshiftzero.bsky.social at the Vegas conference, and get some stickers from us! Here's where we will be 👇️ 1/4
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Rebecca Williams @rebeccawilliams.info · 24/07/2026
GrapheneOS is not a crime
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Electronic Frontier Foundation @eff.org · 20/06/2026
Web scraping helps journalists report the news and libraries preserve history. Locking down sites to stop AI will hurt these helpful uses. www.eff.org/deeplinks/2...
eff.org
The Free and Open Web Is Under Attack at the IETF
The ability to access publicly available information using automated tools is a central value and benefit of a free and open internet. Automated access—often called crawling or scraping—powers
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redshiftzero @redshiftzero.bsky.social · 09/06/2026
come work with me! we are hiring a cryptography engineer
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SecureDrop @securedrop.org · 03/03/2026
Web applications are only as trustworthy as their servers, and servers can get hacked. That’s why we are introducing WEBCAT, which lets web browsers verify the origin of code before it runs. 🌞 Today, WEBCAT enters alpha testing! If you like to experiment with cutting-edge software, give it a try:
securedrop.org
Help us test WEBCAT alpha
Web applications are only as trustworthy as the servers that serve them, and servers can get hacked. So, last year, we introduced WEBCAT (Web-Based Code Assurance and Transparency), a project designed...
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Reposted by redshiftzero
Tor Project @torproject.org · 08/12/2025
Community contributions are what power Tor, tune in Wed, Dec 10 at 1700 UTC for day 2 of our State of the Onion to hear directly from @ooni.org, The Guardian Project, @freedom.press, HushLine and more. 📺 www.youtube.com/watch?v=tZVk... 🧅 xgsobitduxv7gcc5qlveigwiku7qcjn5exf4ayusw4mwq7kfrapmrjyd.onion
youtube.com
State of the Onion 2025 – Community Day
YouTube video by The Tor Project
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dangerzone @dangerzone.social.freedom.press.ap.brid.gy · 10/12/2025
How do you think Santa is handling cyberthreats? With Dangerzone of course! (Yeah, it took some training.) If you feel like testing his security team, you should know it has a challenge for you: Craft Santa a letter that can bypass Dangerzone's defenses and earn a bounty! 💰🎅 […]
social.freedom.press
Original post on social.freedom.press
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Reposted by redshiftzero
AFK - ON SABBATICAL @bmeson.lucyparsonslabs.com · 15/11/2025
NEW RESOURCE: For months, ICE has engaged in an arbitrary campaign of warrantless stops and arrests in Chicago. Need security advice for activists under a significant threat landscape shift? Don't worry, we @lucyparsonslabs.com got you. PDF: goldframes.s3.us-west-2.amazonaws.com/LPL_ICEinvas...
TITLE: Emergent Security Advice against ICE’s Kidnapping Spree
Subtitle: A Practical, Timely, Semi-Local Guide to State Resistance

Text: The current Trump administration is engaged in a monstrous campaign of snatch-and-grabs, warrantless raids, and the arbitrary detention of brown and Black people in Chicago. For months, ICE, Border Patrol, and many other masked, unknown federal agents have forcibly shoved our neighbors into vans and out of Chicago at breakneck speeds. In some cases, federal agents intentionally crash into cars and attack the people inside of them. But Chicagoans are
notoriously tough people and we’ve seen numerous organic, spontaneous mobilizations emerge to shatter ICE.

That being said, our collective security culture needs to respond to the harsh reality that these governmental actors simply don’t care about our rights, humanity, or dignity. Our responses must, in turn, adapt to the new authoritarian tactics, techniques and procedures. After
all, we reject the detentions of all humans, with or without warrants, and what we are seeing on the ground can only be described as an aggressive application of State power.
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dangerzone @dangerzone.social.freedom.press.ap.brid.gy · 04/11/2025
The first release candidate for Dangerzone 0.10.0 is out, and we’re looking for feedback from users, especially on macOS and Windows. Thanks! dangerzone.rocks/news/2025-11-03-0.…
dangerzone.rocks
Dangerzone
Take potentially dangerous PDFs, office documents, or images and convert them to a safe PDF.
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redshiftzero @redshiftzero.bsky.social · 05/11/2025
i will be at mozfest with @trevortimm.bsky.social - come say hi!
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Yael Grauer @yaelwrites.com · 09/09/2025
apnews.com
US tech companies enabled the surveillance and detention of hundreds of thousands in China
An AP investigation reveals that U.S. technology companies to a large degree designed and built China’s surveillance state, playing a far greater role in enabling human rights abuses than previously k...
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Reposted by redshiftzero
Micah Lee @micahflee.com · 01/09/2025
I wrote about @iceblock.app, the developer's infuriating HOPE talk, and how it's unfortunately basically activism theater micahflee.com/unfortunatel...
micahflee.com
Unfortunately, the ICEBlock app is activism theater
At this summer's HOPE conference, Joshua Aaron spoke about ICEBlock, his iPhone app that allows users to anonymously report ICE sightings within a 5 mile radius, and to get notifications when others r...
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Mikael Thalen @mikaelthalen.bsky.social · 20/08/2025
NEW: ICE is legally required to publish detention statistics every 2 weeks. But the data is complex. That's why the interactive "ICE Detention Map" automatically scrapes & visualizes ICE's data, which shows, among other things, that 71% of detainees have no criminal record. san.com/cc/interacti...
san.com
Interactive ‘ICE Detention Map’ shows 71% of detainees have no criminal record
The detention map extracts immigration data that ICE is legally required to publish to let anyone see stats on detainees across the country.
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redshiftzero @redshiftzero.bsky.social · 17/08/2025
Gave a talk with @yaelwrites.com and @micahflee.com at HOPE about breaking free from Big Tech
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Freedom of the Press Foundation @freedom.press · 11/08/2025
In a just world, there would be an investigation and accountability for Israel committing this horrific crime. But we all know that's not going to happen, unless and until governments stop using platitudes and actually put an end to this travesty at once.
aljazeera.com
‘Silencing courageous voices’: Israeli killing of Gaza journalists slammed
Condemnation grows after targeted Israeli attack assassinates correspondent Anas al-Sharif and several other colleagues.
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penumbra github bot @github.penumbra.zone · 12/04/2023
Merged PR #2347: spec: add description of spend zk-SNARK statements github.com/penumbra-zone/penumbra/p…
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redshiftzero @redshiftzero.bsky.social · 10/04/2023
Obligatory dog pic
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