Sean O'Brien
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profdiggity.com
Sean O'Brien
@profdiggity.com
🛡️ Prof Diggity @ivycyber.com 🤖 Founder @yaleprivacylab.org 🔒 Secure Apps at @privacysafe.social 🔆 Mastodon https://privacysafe.social/@profdiggity 🎙️ Subscribe 👉 @bitsontape.com
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🏰 We're growing not only our @privacysafe.social community but also our app downloads and subscriptions to our zero-knowledge storage service.

✌️ Try it yourself on #Windows, #Mac, and #Linux at privacysafe.app
PrivacySafe — Private Chat, Calls & Storage.
Have truly private conversations in a safe and simple chat app. Make secure peer-to-peer video and voice calls on any platform. Save and share your files with the peace of mind that you hold the keys.
privacysafe.app
We launched a ton of fun projects this past year at @ivycyber.com and it's time to retire a few of them. First up is #vibecoding nightmare "Vibe Crap"💩

Check out the video demo + full source code at 👉https://psafe.ly/vibecrap

If you like experiments like this, follow @bitsontape.com
January 3, 2026 at 3:49 AM
We're doing another @ivycyber.com giveaway on Twitter X. This time it's a mini laptop / touchscreen tablet + travel #VPN router, loaded with goodies and a 12-month subscription to our PrivacySafe.app software 🎁

x.com/profdiggity/...
December 20, 2025 at 7:57 AM
Well if I age out of being a #techbro I can always audition for the next season of #StrangerThings.

...did they really have to show them wobbly-riding on Huffy bikes?
December 17, 2025 at 3:18 AM
Great stream today by Ungovernable Misfits with Keonne from #samouraiWallet ✊ Thanks for the excellent Q&A and insights as you and Bill face prison for creating #privacy software that actually works. #pardonsamourai
December 16, 2025 at 5:05 PM
Great photos from #TEDx #MIT this past weekend. A really inspiring and thought-provoking event, as you might expect 🤓 Thanks to john werner for the invite.

www.johnwernerphotography.com/TEDxMIT-Dec-...
TEDxMIT Dec 13, 2025 - John Werner Photography
John Werner is a passionate photographer. He is Managing Director at Link Ventures.
www.johnwernerphotography.com
December 15, 2025 at 10:52 PM
First December #snow in a long while
December 15, 2025 at 3:33 AM
at #MIT for some doings
December 14, 2025 at 5:09 PM
Check out my conversation with BusinessWest about the #cybersecurity field, emerging threats, and where careers in #cyber seem to be headed. www.youtube.com/watch?v=1nIx...
BusinessTalk with Sean O'Brien, Director of Cybersecurity & Computer Science at Bay Path University
YouTube video by BusinessWest Healthcare News
www.youtube.com
December 13, 2025 at 5:40 PM
Awesome writeup of our Bay Path #Cybersecurity Summit featuring myself and @scottjshapiro.bsky.social

"AI is an accelerating force... everything old is new again. But because #AI is able to 'think' on its feet, it’s able to probabilistically change direction."

businesswest.com/blog/cyberse...
Cybersecurity Offers Promising Career Paths - BusinessWest
Evolving Threats As high-tech businesses grapple with the implications of artificial intelligence (AI) — and workers worry what that might mean for their job security — those who work in […]
businesswest.com
December 13, 2025 at 5:38 PM
Just got my copy of the #FreeSoftware Foundation bulletin for the #holidays 🤓 Great interview with #FSF President Ian Kelling and a nice photo of all of us from the #FSF40 event!

Show your support with a donation to the FSF: my.fsf.org/donate
December 13, 2025 at 4:42 PM
Steady growth of PrivacySafe.social throughout early #December with *zero* marketing spend and all organic word-of-mouth. Lots of folks discovering #decentralized networks / the #fediverse for the first time. Get @privacysafe.social 🦾
December 10, 2025 at 6:11 PM
Great reporting by Jessica Ka Burbank. Seems to be a frontend for all the big US Cloud #AI players. #DepartmentOfWar kaburbank.substack.com/p/dow-leak-i...
DOW Leak: Inside The AI Platform & Internal Memo
The Department of War has quietly launched a custom AI tool. I obtained an internal memo from Pete Hegseth, along with screenshots showing the Gemini interface.
kaburbank.substack.com
December 10, 2025 at 1:32 PM
Working on @privacysafe.social alongside a couple copies of a modern classic by @pluralistic.net.web.brid.gy . It's a solid way to gear up for the event in #Madison Connecticut tonight! 🤓 #privacymatters
December 8, 2025 at 1:25 PM
Reposted by Sean O'Brien
🤔 caller #privacy for unmonitored, informational phone lines 👇
github.com/connyay/redb...
December 8, 2025 at 5:52 AM
Reposted by Sean O'Brien
December 8, 2025 at 4:50 AM
Thank you Glidus for the 🌽 video I've been waiting for. #WindsOfWinter www.youtube.com/watch?v=Cctm...
Why is there Corn in Westeros?
YouTube video by Glidus
www.youtube.com
December 8, 2025 at 4:44 AM
Special thanks to Dafu Gao from OnePiece Labs and #Solana Foundation for sponsoring this event hosted by #Yale #Blockchain 🤖

I had an amazing time speaking on a panel about #AI and its impact on the #Web3 space and #tech in general.

www.globenewswire.com/news-release...
December 4, 2025 at 3:29 AM
NEW: Our #SCOTUS amicus brief on #AI and #copyright 👇

psafe.ly/7ShfXu

Thanks to my colleagues Shlomit Yanisky-Ravid & @patriciaavl.bsky.social at @yaleisp.bsky.social, @lessig.bsky.social at @harvard.edu, and many others across #law and #tech for their support & contributions.

Thread 🧵
December 2, 2025 at 7:26 PM
December 1, 2025 at 5:57 PM
Reposted by Sean O'Brien
great reporting by @zackwhittaker.com on #Oura ring #privacy and #healthcare data, as well as US gov't data requests 👇https://privacysafe.social/@[email protected]/115627975719141861
November 28, 2025 at 6:44 PM
I signed this petition about #Google restricting the installation of APKs and software sources like @fdroidorg.bsky.social .

c.org/vfCG2X2kV7

I will paste my comments on the petition into the thread below 👇
Sign the Petition
Stop Google from limiting APK file usage
c.org
November 29, 2025 at 3:53 PM
The weekend theme is #AI + coding! A friend sent me this piece that mentions my comments on #freesoftware #opensource licensing and #genAI.

LLMs have a place in our @ivycyber.com business but it's a very carefully controlled one, and not in the codebase. psafe.ly/TRySSC
November 28, 2025 at 11:28 PM
Reposted by Sean O'Brien
We Used #ChatGPT to Create a Vibe Coded Nightmare. It only took a few minutes to pollute the internet with the world's worst website. It's a warning, not inspiration.
youtube.com/shorts/eeZEu...
🤖 ChatGPT Vibe Coded This AI Slop Security Nightmare
YouTube video by Bits On Tape
youtube.com
November 28, 2025 at 10:22 PM
Reposted by Sean O'Brien
A BIG THANK YOU to our users + subscribers + supporters + customers! We're building and growing each month and really creating something great 💪
🦃 A big thank you to our loyal supporters from the Ivy Cyber + @privacysafe.social team this #Thanksgiving

Read our latest updates in today's @bitsontape.com newsletter and subscribe to join us on this amazing journey! 🚀
psafe.ly/nFTATr
November 28, 2025 at 3:33 AM