Kurt Opsahl @kurt@mstdn.social (@kurtopsahl) 's Twitter Profile
Kurt Opsahl @[email protected]

@kurtopsahl

AGC for Cybersecurity & Civ Lib Policy @FilFoundation, Special Counsel @EFF, affiliate @BKCHarvard, board emeritus @USENIX Bluesky kurtopsahl Tweets are my own.

ID: 141493973

linkhttps://fil.org calendar_today08-05-2010 06:55:20

17,17K Tweet

7,7K Followers

1,1K Following

Security Alliance (@_seal_org) 's Twitter Profile Photo

Real or fake? The answer might be surprising. SEAL is tracking the threat actors operating Aureon Capital as ELUSIVE COMET and recommends users (and IT teams) stay safe by turning off Remote Control sessions on Zoom. More info and IoCs below

Real or fake? The answer might be surprising. SEAL is tracking the threat actors operating Aureon Capital as ELUSIVE COMET and recommends users (and IT teams) stay safe by turning off Remote Control sessions on Zoom. More info and IoCs below
Matthew Green is on BlueSky (@matthew_d_green) 's Twitter Profile Photo

You should use Signal. Seriously. There are other encrypted messaging apps out there, but I don’t have as much faith in their longevity. In particular I have major concerns about the sustainability of for-profit apps in our new “AI” world.

Filecoin (@filecoin) 's Twitter Profile Photo

Proof of Data Possession (PDP) makes decentralized storage on Filecoin more efficient by allowing providers to verify data without full retrieval. It enhances security, reduces costs, and ensures reliable long-term data integrity.

Proof of Data Possession (PDP) makes decentralized storage on Filecoin more efficient by allowing providers to verify data without full retrieval. It enhances security, reduces costs, and ensures reliable long-term data integrity.
Signal (@signalapp) 's Twitter Profile Photo

Right now there are a lot of new eyes on Signal, and not all of them are familiar with secure messaging and its nuances. Which means there’s misinfo flying around that might drive people away from Signal and private communications. One piece of misinfo we need to address is the

Michał Kowalczyk 🇺🇦 (@dsredford) 's Twitter Profile Photo

Not everything that Newag does is bad. For instance, we would like to congratulate them on making the shortlist of the European SLAPP Contest 2025! the-case.eu/latest/the-peo…

Orin Kerr (@orinkerr) 's Twitter Profile Photo

New 9th Circuit computer search and seizure case has dropped, US v. Holcomb. To my mind, it demonstrates how courts are trying new ways to limit computer searches to avoid the implications of the existing plain view rule. Thread below. cdn.ca9.uscourts.gov/datastore/opin… #N

New 9th Circuit computer search and seizure case has dropped, US v. Holcomb.  To my mind, it demonstrates how courts are trying new ways to limit computer searches to avoid the implications of the existing plain view rule.    Thread below. cdn.ca9.uscourts.gov/datastore/opin… #N
samczsun (@samczsun) 's Twitter Profile Photo

i wrote a thing about all the different teams in north korea dedicated exclusively to fucking your shit up and how you can know exactly which one just ruined your entire month paradigm.xyz/2025/03/demyst…

Joseph Lorenzo Hall, PhD (@joebeone) 's Twitter Profile Photo

A coalition including the ACLU, CDT, Freedom House, Internet Society, and ISOC DC has issued a letter urging US leadership to protect the open Internet: internetsociety.org/open-letters/a…

Andres Guadamuz (@technollama) 's Twitter Profile Photo

Very interesting amici brief supporting Meta's fair use argument from IP Profs Rebecca Tushnet, Matthew Sag, Jessica Sibley and Zahr Said. chatgptiseatingtheworld.com/wp-content/upl…

Very interesting amici brief supporting Meta's fair use argument from IP Profs Rebecca Tushnet, Matthew Sag, Jessica Sibley and Zahr Said. chatgptiseatingtheworld.com/wp-content/upl…
Orin Kerr (@orinkerr) 's Twitter Profile Photo

The 2nd Circuit held oral argument on Monday on whether the border search exception to the 4th Amendment applies to cell phones—the subject of a chapter in my new book, "The Digital Fourth Amendment." Link to download file of the argument is here: ww3.ca2.uscourts.gov/decisions/isys…

The 2nd Circuit held oral argument on Monday on whether the border search exception to the 4th Amendment applies to cell phones—the subject of a chapter in my new book, "The Digital Fourth Amendment."  Link to download file of the argument is here: 
ww3.ca2.uscourts.gov/decisions/isys…
Filecoin TL;DR (@filecointldr) 's Twitter Profile Photo

đź§µUSDFC Bug Bounty Program is Now Live TL;DR: Secured Finance has launched a bug bounty for USDFC, a Filecoin-backed stablecoin. Hosted on Remedy, the program offers up to $20,000 in rewards for valid smart contract vulnerabilities. Testing contracts are out of scope.

Ellen Nakashima (@nakashimae) 's Twitter Profile Photo

BREAKING: National Security Agency and Cyber Command chief Gen. Timothy Haugh ousted. The NSA deputy, Wendy Noble, was also dismissed and reassigned. No immediate reasons were given. Story is developing. wapo.st/3RD4U68

samczsun (@samczsun) 's Twitter Profile Photo

after nearly 4.5 years at Paradigm, it's with a bittersweet feeling that i finish writing this chapter of my life story. when Matt Huang messaged me in 2020, never in my wildest dreams could i have imagined where that journey would take me. thank you 🎵 youtube.com/watch?v=oVvDdS…

EFF (@eff) 's Twitter Profile Photo

EFF unequivocally supports Perkins Coie’s challenge to the shocking, vindictive, and unconstitutional executive order that targeted the firm for its past work on voting rights lawsuits and its representation of the President’s prior political opponents. eff.org/deeplinks/2025…

craig newmark (@craignewmark) 's Twitter Profile Photo

New CR research reveals that many major companies may be ignoring opt-out requests under US state privacy laws. 📰 Read more about the findings from Shira Ovide: washingtonpost.com/technology/202…

Adam Eisgrau (@adameisgrau) 's Twitter Profile Photo

1/ The COPIED Act Coopts © Law & Judiciary Jurisdiction: Hard to imagine a bill more hostile to gen AI development, and the core of US © law itself, than the fair use-fatal COPIED Act. It's also a massive assault on Senate Judiciary Committee turf by Commerce... Let's dive in>>🧵

1/ The COPIED Act Coopts © Law & Judiciary Jurisdiction: Hard to imagine a bill more hostile to gen AI development, and the core of US © law itself, than the fair use-fatal COPIED Act. It's also a massive assault on Senate Judiciary Committee turf by Commerce...
Let's dive in>>đź§µ
Matt Van Swol (@matt_vanswol) 's Twitter Profile Photo

🚨#BREAKING: Marco Rozenbroek, a Swannanoa NC resident, has confirmed he planted over 8,000 tulips, daffodils, hyacinth and other flowers across destroyed public parks in Western North Carolina. This week, for the first time, they began to all fully bloom. HERO!!!

🚨#BREAKING: Marco Rozenbroek, a Swannanoa NC resident, has confirmed he planted over 8,000 tulips, daffodils, hyacinth and other flowers across destroyed public parks in Western North Carolina.

This week, for the first time, they began to all fully bloom.

HERO!!!
BSides Las Vegas (@bsideslv) 's Twitter Profile Photo

It’s the “Eve” of our #CFP. 10 tracks, 1 Wonderland! Submission window closes tomorrow. Join the party! Alice and Bob need your wisdom. And your whimsy! bsideslv.org/cfp

Katie Biber (@katiebiber) 's Twitter Profile Photo

1/ Despite a memo released by the DOJ earlier this month, federal prosecutors want to imprison Roman Storm for 45 years for writing open-source code. Matt Huang and I provide details in a new post linked below.

1/ Despite a memo released by the DOJ earlier this month, federal prosecutors want to imprison Roman Storm for 45 years for writing open-source code. <a href="/matthuang/">Matt Huang</a> and I provide details in a new post linked below.