Kurt Opsahl
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kurtopsahl.bsky.social
Kurt Opsahl
@kurtopsahl.bsky.social
AGC for Cybersecurity & Civil Liberties Policy at Filecoin Foundation, former Deputy ED and GC of EFF, now EFF Special Counsel, affiliate of BKC Harvard, board emeritus USENIX, advisor Open Archive, former Technical Advisory Council CISA. Skeets are my own
Reposted by Kurt Opsahl
New from 404 Media: the creator of ICEBlock just sued the U.S. government over it pressuring Apple to remove the app earlier this year. Says it violated his First Amendment rights. www.404media.co/iceblock-cre...
ICEBlock Creator Sues U.S. Government Over App’s Removal
The Department of Justice demanded Apple remove ICEBlock, which reports sightings of ICE officials, from its App Store. Now the creator is suing, saying the demand violated his First Amendment rights.
www.404media.co
December 8, 2025 at 3:14 PM
Reposted by Kurt Opsahl
Hey Germany, can we have this, too?

Asking for a friend.

The friend is I.
December 8, 2025 at 10:51 AM
Movie you’ve watched more than six times with a gif. Hard mode: no Stars (Wars nor Trek), LOTR, or Marvel, Disney Animated or Pixar.
December 8, 2025 at 1:55 AM
Reposted by Kurt Opsahl
Two amazing First Amendment litigation spots are open at Protect Democracy. Deadline is December 7th.

This is someone's dream job and they may not know about it, so please send to good lawyers you know!

protectdemocracy.recruitee.com/o/counsel-fi...
Protect Democracy - Counsel, First Amendment | Protect Democracy
Protect Democracy is hiring for an attorney experienced with First Amendment law help ensure that communities can continue to speak out and engage politically.
protectdemocracy.recruitee.com
December 5, 2025 at 5:02 PM
Reposted by Kurt Opsahl
Chat Control has seen many different iterations over the years, and now that it’s coming up on final negotiations, what the proposal does and doesn’t protect can be confusing. Here’s what’s going on. www.eff.org/deeplinks/2...
After Years of Controversy, the EU’s Chat Control Nears Its Final
After a years-long battle, the European Commission’s “Chat Control” plan, which would mandate mass scanning and other encryption-breaking measures, at last codifies agreement on a position within the
www.eff.org
December 5, 2025 at 6:03 AM
Reposted by Kurt Opsahl
👀 A New Anonymous Phone Carrier Lets You Sign Up With Nothing but a Zip Code www.wired.com/story/new-an...
A New Anonymous Phone Carrier Lets You Sign Up With Nothing but a Zip Code
Privacy stalwart Nicholas Merrill spent a decade fighting an FBI surveillance order. Now he wants to sell you phone service—without knowing almost anything about you.
www.wired.com
December 4, 2025 at 6:09 PM
Reposted by Kurt Opsahl
There is a non-zero chance we only learn the US has completed its first underground nuclear weapons test in decades after an automated USGS earthquake social media account suddenly starts posting about an extremely shallow seismic event in Nevada
October 31, 2025 at 10:08 PM
Reposted by Kurt Opsahl
📢 Announcing hacklore.org 📢

It’s time to retire outdated cyber advice! More than 80 cybersecurity veterans have signed an open letter urging a shift from folklore to guidance that actually helps people avoid the most common attacks. 🔐

Blog: medium.com/@boblord/let...

Site: www.hacklore.org
Stop Hacklore!
hacklore.org
November 24, 2025 at 3:05 PM
Reposted by Kurt Opsahl
Here are the law enforcement agencies who searched Flock Safety's ALPR database related to this year's No Kings protests.

www.eff.org/deeplinks/20...
November 22, 2025 at 4:18 PM
Reposted by Kurt Opsahl
HOPE has been banned from St. John's University. www.2600.com/content/hope...
HOPE CONFERENCE BANNED BY ST. JOHN'S UNIVERSITY | 2600
www.2600.com
November 18, 2025 at 6:21 PM
Reposted by Kurt Opsahl
Part of Amazon AWS went down back in October and a lot of things broke.

Now something is up with Cloudflare...

Now is a good time to remember that a lot of eggs are in a handful baskets.

Time again to have those big conversations about what resiliency looks like.
November 18, 2025 at 2:54 PM
Reposted by Kurt Opsahl
Gemini explains Diffie-Hellman pretty well these days.
November 15, 2025 at 12:07 AM
Reposted by Kurt Opsahl
Explore Cypherpunk Congress expert recommendations: @evacide.bsky.social x @eff.org

Books:
"IBM and the Holocaust" by Edwin Black
"Your Face Belongs to U"s by @kashhill.bsky.social
"The Hank Show" by @mckenziefunk.com

Apps: I’ve also had fun playing around with @germnetwork.com recently.

1/
November 11, 2025 at 6:11 PM
Reposted by Kurt Opsahl
Marion County agrees to pay out $3M for newspaper raid, expresses regret. Editor says court cases against city continue #ksleg
Marion County agrees to pay out $3M for newspaper raid, expresses regret • Kansas Reflector
A handful of county-level officials who were involved in a small-town Kansas newspaper raid in 2023 will pay a cumulative $3 million to three journalists and a city councilor.
kansasreflector.com
November 11, 2025 at 5:37 PM
Reposted by Kurt Opsahl
The spyware that is now in ICE's hands has been (by another government) against journalists and activists in Italy, as well as a top CEO, and a political consultant. Matteo Renzi, Italy's former prime minister, calls it the Italian Watergate. Now it's landed here: www.theguardian.com/technology/2...
Tech giants vow to defend users in US as spyware companies make inroads with Trump administration
Apple and WhatsApp say they will keep warning users if their phones are targeted by governments using hacking software against them
www.theguardian.com
November 10, 2025 at 6:22 PM
Reposted by Kurt Opsahl
If you have not seen it yet, @alilleybrinker.com posted a fantastic and thoughtful article on memory safety. 🔐

queue.acm.org/detail.cfm?i...
Memory Safety for Skeptics - ACM Queue
queue.acm.org
November 10, 2025 at 9:37 PM
Reposted by Kurt Opsahl
UPDATE: NSO just hired former Trump ambassador to Israel.

They're trying to push Pegasus spyware to 🇺🇸America.

Your rights and freedoms are in danger.

NSO Group is no friend to the US & has spent years undermining our security & values 1/
November 9, 2025 at 10:05 PM
“This case, ladies and gentlemen of the jury, is about a sandwich.” www.nbcnews.com/politics/jus...
Jury acquits D.C. 'sandwich guy' charged with chucking a sub at a federal agent
Sean Dunn faced a single misdemeanor after federal grand jurors refused to indict him on the felony charge sought by prosecutors.
www.nbcnews.com
November 6, 2025 at 8:05 PM
Reposted by Kurt Opsahl
Former FTC chair Lina Khan was just named to NYC Mayor-elect Zohran Mamdani's transition team—just one sign that his new administration will take tech matters seriously, writes Rebecca Williams. She offers a tech agenda for the new mayor to advance his campaign goals:
Mayor-Elect Mamdani Can Build a Tech Agenda for New York and a Model for the Country | TechPolicy.Press
By resisting surveillance, extraction, and exploitation, Mamdani can show how technology truly serves the people, writes Rebecca Williams.
www.techpolicy.press
November 5, 2025 at 5:43 PM
Reposted by Kurt Opsahl
ICYMI: A little-known algorithmic process called “differential privacy” helps keep census data anonymous. Conservatives want it gone. But experts say differential privacy is a "punching bag" to excuse redoing the census--a long-term right wing goal
@wired.com

www.wired.com/story/republ...
The Republican Plan to Reform the Census Could Put Everyone’s Privacy at Risk
A little-known algorithmic process called “differential privacy” helps keep census data anonymous. Conservatives want it gone.
www.wired.com
October 30, 2025 at 10:16 PM
Extra frickin’ innings. ⚾️
October 28, 2025 at 3:52 AM
Reposted by Kurt Opsahl
"Cybercrime exhibit at Vegas Mob Museum tracks real-time attacks. "Digital Underworld" features decades-old hacking tools, along with a live cyberthreat map."
mashable.com/article/cybe...
Vegas Mob Museum explores the rise of organized cybercrime
A new exhibit at the Las Vegas Mob Museum explores the rise and proliferation of organized cybercrime.
mashable.com
October 26, 2025 at 9:45 PM
Reposted by Kurt Opsahl
EFF is fighting for your rights to:
Speak and learn online, free from government censorship 🗣️
Move through the world without being surveilled 📸
Use your device without it tracking your every click and IRL movement 🤳
But we need your help to Take Back CTRL. supporters.eff.org/donate/tbc
Defend Privacy and Free Speech
Don’t let tyrants co-opt tech. Join EFF and help fight back.
supporters.eff.org
October 25, 2025 at 7:00 PM
Reposted by Kurt Opsahl
Senator Ron Wyden calls on the Internet Society community to 📣 "GET LOUD" 📣 this Global Encryption Day!

"Get loud because you are the glue that holds the Internet together." - @wyden.senate.gov

Thank you for fighting for the Internet to give power to the powerless and a voice to the voiceless!
Encryption Matters: In Conversation with Sally Wentworth and US Senator Ron Wyden
YouTube video by Internet Society
www.youtube.com
October 21, 2025 at 3:11 PM