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Posts by Timothy Edgar

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${{\mathsf{SMA}^2\mathsf{RT}}}$ : Secret-Metadata Attribute-based Anonymous Rate-limited Tokens In high-volume online services—such as privacy-preserving CAPTCHA bypass or metered paywalls—service providers must filter malicious traffic without compromising user privacy. Anonymous tokens with...

New preprint by Anna Lysyanskaya and Eileen Nolan on SMA2RT. Highly relevant for the anonymous token space. It bridges ATPMs and anonymous credentials, solving the communication complexity bottleneck for privacy-preserving rate-limited web services.

1 month ago 5 3 1 0
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Is the new US TikTok safer? - Harvard Law School Harvard Law Lecturer Timothy Edgar unpacks the new $14B TikTok Chinese divestment deal.

Why the #TikTok deal doesn't do much to make Americans safer from foreign espionage; instead, it made the problem worse.
My interview with Harvard Law Today. @hls.harvard.edu
hls.harvard.edu/today/is-the...

1 month ago 1 0 0 0
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The Washington Post—for which I wrote editorials for nearly a decade—has closed its Kyiv bureau.

@lawfaremedia.org has not—and we will not.

We now employ more people in Kyiv than the Washington Post.

Let me tell you about what we have done in Ukraine over the past year and why we are not leaving

2 months ago 2548 733 38 27

Not to mention wildly inconsistent with a mountain of evidence concerning the original understanding of the Fourth Amendment, which was all about suing officials for unreasonable searches and seizures.

2 months ago 3 0 0 0
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US Representative @amo.house.gov said, “Trump’s army of authoritarian masked men have once again shot and killed an American citizen exercising their First Amendment rights. This is not law enforcement; it is brutalization of our communities meant to make us afraid."

2 months ago 4 2 0 0
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a man with a beard and a hood says you don 't need to see his identification ALT: a man with a beard and a hood says you don 't need to see his identification
3 months ago 85 5 2 1
Reed, Whitehouse, Britt Hold Moment of Silence  in Memory of Brown University Shooting Victims
Reed, Whitehouse, Britt Hold Moment of Silence in Memory of Brown University Shooting Victims YouTube video by SenJackReed

A moment of silence for the loss of Ella Cook & Mukhammad Aziz Umurzokov, two promising bright lights whose lives were tragically cut short by a mass-shooter. And a moment of solidarity with the entire Brown University, Providence, and Rhode Island community.

4 months ago 46 9 1 0
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The US supreme court’s TikTok ruling is a scandal | Evelyn Douek and Jameel Jaffer The decision means TikTok now operates under the threat that it could be forced offline with a stroke of Trump’s pen

The "embarrassing, scandalous coda" of the Supreme Court's TikTok decision--new from @evelyndouek.bsky.social and me. www.theguardian.com/commentisfre...

4 months ago 40 17 3 1
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California political players are concerned after FBI says it’s been listening Dozens of players on the California political scene received letters from the FBI, letting them know the agency had been listening to them.

FBI wiretap notices in misuse of campaign funds in California show the importance of notice as a constitutional protection for electronic searches, even as they make Sacramento insiders nervous, I tell @straightarrownews.bsky.social @danlevincomedy.bsky.social san.com/cc/californi...

4 months ago 4 1 0 0

[Timothy Edgar] said the outage was “another alarming example of how dependent we have become on critical internet infrastructure, and how little the government is doing to hold big companies accountable.”

5 months ago 1 0 0 0

“Cloudflare is an essential company, providing services to a fifth of the internet and handling literally trillions of requests every day,” said Timothy Edgar, a computer science professor at Brown and an expert on cybersecurity.

5 months ago 2 0 1 0
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Cloudflare Says It Has Resolved Outage That Disrupted Parts of the Internet

I spoke with the @nytimes.com today about the @cloudflare.social outage. It's past time for Congress looks at the issue. Coming just after @awscloud.bsky.social and @azure.microsoft.com, our hands-off approach to Big Tech is becoming a national security liability. www.nytimes.com/2025/11/18/b...

5 months ago 1 0 1 0

"Encryption is a human right, and it's a bird right too." Celebrating Global Encryption Day with @josephhall.org & his parrot.

6 months ago 0 1 0 0
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Is the internet too dependent on AWS? Experts weigh in A massive outage disrupted critical services, including airlines and payments.

Is the internet too dependent on AWS? Experts weigh in — @timothy-edgar.bsky.social told ABC News that relying on only a few major big tech cloud providers creates significant infrastructure vulnerabilities.

6 months ago 2 1 0 0

To call this administration a clown show would be to insult clowns, many of whom are highly trained professionals, unlike these absolute clueless amateurs.

6 months ago 21 4 1 0
LH Lindsey Halligan @
© 8h
Sat, Oct 11
• Unknown set disappearing message time to 8 hours.
‹ You accepted the message request.
Options
Today
By the way - everything I ever sent you is off record. You're not a journalist so it's weird saying that but just letting you know.
32m O
I'm sorry, but that's not how this works.
You don't get to say that in retrospect.
24m O o

LH Lindsey Halligan @ © 8h Sat, Oct 11 • Unknown set disappearing message time to 8 hours. ‹ You accepted the message request. Options Today By the way - everything I ever sent you is off record. You're not a journalist so it's weird saying that but just letting you know. 32m O I'm sorry, but that's not how this works. You don't get to say that in retrospect. 24m O o

Lindsey Halligan says I’m not a journalist.

But if you think I am, and you value our our non-profit legal news and analysis, you can support our work here: givebutter.com/journalism/a...

You can also follow me on Substack: annabower.substack.com/about

6 months ago 7256 962 264 129
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HAHAHAHAHAHAHAHAHAHAHAHAHA

6 months ago 61 12 6 3

Brown responds.

6 months ago 4 2 1 0

A must read! My students have been reading for years.

9 months ago 2 0 0 0

Cybersecurity and privacy technology offer better solutions. Courts and lawmakers should do better!

9 months ago 0 0 0 0

Tl/dr: more control and less freedom online, as the justices decide to prioritize potential harms in uphold a ban on TikTok and age verification for accessing pornography.

9 months ago 0 0 1 0
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Evaluating the Supreme Court: Harvard Law faculty weigh in on 2024-2025 SCOTUS term  - Harvard Law School Harvard Law faculty offer their thoughts on some of the most important Supreme Court decisions of this term — and how they could impact the law and society.

My take on what the Supreme Court's term means for the internet, in Harvard Law Today (scroll down to Timothy Edgar, Lecturer on Law). hls.harvard.edu/today/evalua...

9 months ago 2 0 2 0
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Digital Identity Leaders and Privacy Experts Sound the Alarm on Invasive ID Systems | American Civil Liberties Union Signatories, including the ACLU, warn officials of “Phone Home” feature of digital IDs that allows the government to track people’s daily lives

Identity/credential services should not be snooping on us. #nophonehome

10 months ago 3 1 0 0
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Brown to confer honorary degrees on seven distinguished leaders at Commencement 2025 The University will bestow honorary degrees on a diverse group of community leaders, artists, writers, performers and scholars during its Commencement exercises on Sunday, May 25.

It’s a special honor to be among those receiving honorary degrees from Brown. It’s a place that welcomed me and shaped me and challenged me and liberated me, and made possible everything that came after. I’m looking forward to celebrating this weekend with friends.
www.brown.edu/news/2025-05...

11 months ago 1051 99 30 3
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Signal Gate: The Criminal Law Precedents That Are Most Relevant A range of federal laws, including the Espionage Act and laws against the destruction of government records, could apply in Signal Gate.

With renewed relevance, this explainer I wrote last month:

Signal Gate: The Criminal Law Precedents That Are Most Relevant

The key legal issues are:

--> 18 U.S.C. 793(f)(1) of the Espionage Act - gross negligence
--> Destruction of government records

1 year ago 1022 339 21 9
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CISA reverses course, extends MITRE CVE contract While the last-minute extension averts an immediate lapse in support, rival organizations are being stood up to supplant the global vulnerability system.

In a last-minute switch, the #CISA said it will continue funding a contract for #MITRE to manage the CVE program and other vulnerability databases. via @derekbjohnson.bsky.social cyberscoop.com/cisa-reverse...

1 year ago 2 3 0 0
Facebook Whistleblower Makes Shock Claim About Mark Zuckerberg During Senate Testimony
Facebook Whistleblower Makes Shock Claim About Mark Zuckerberg During Senate Testimony YouTube video by Forbes Breaking News

Facebook whistleblower testimony on Mark Zuckerberg's cooperation with CCP shows why Congress was wrong to focus exclusively on TikTok when US and other Big Tech companies play footsie with China in service of the bottom line. www.youtube.com/watch?v=7Zzx...

1 year ago 2 1 0 0
Facebook Whistleblower Makes Shock Claim About Mark Zuckerberg During Senate Testimony
Facebook Whistleblower Makes Shock Claim About Mark Zuckerberg During Senate Testimony YouTube video by Forbes Breaking News

Some riveting testimony from a whistleblower on Facebook's detailed cooperation with CCP censorship even as Mark Zuckerberg was denying this before Congress. www.youtube.com/watch?v=7Zzx...

1 year ago 1 0 0 0

Terrific for Maine!

1 year ago 1 0 0 0