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Make a deal with David Choffnes
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
291
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor David Choffnes
Known for
46 views
Hello! My lab is running a compensated research study and crowdsourcing participants.
The purpose of this research is to investigate recently produced cars that may share personally identifying information. These “connected cars” are recently produced cars that include always-on internet connections, collect and transmit data about the vehicle and the driver, and incorporate companion smartphone a
6 views
Kicking off our workshop on Policy-Relevant Privacy Reseach (PR2), colocated with @PET_Symposium
2025 in DC: https://pr2.technologypolicyworkshop.org
With Athina Markopoulou and Zubair Shafiq
📊 Post engagement
7
Avg engagement / post
2.4%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: Hello! My lab is running a compensated research study and crowds · 46 likes + reposts
📊 Activity & format
Posting cadence
0.08 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 10 text · 2 image · 0 video.
Follower / following
0.9×
Follows 313 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
🔥 Top post
Hello! My lab is running a compensated research study and crowdsourcing participants.
The purpose of this research is to investigate recently produced cars that may share personally identifying information. These “connected cars” are recently produced cars that include always-on…
Good news! https://www.aclum.org/press-releases/civil-rights-and-reproductive-justice-groups-applaud-unanimous-house-passage-of-massachusetts-consumer-data-privacy-act/
I was on CBS Sunday Morning today! They cut most of what we talked about, but kept a good few choice quotes. And no I don’t own a yacht…
https://youtu.be/mIOA3nQclOM
Super interesting work from my graduated PhD student Talha. Ends up GenAI hallucinations are good for *something*!
https://bsky.app/profile/talhaparacha.com/post/3ma4vqqczps2d
Are airlines moving toward individualized pricing? We have reasons to be skeptical about their responses so far.
https://www.law.georgetown.edu/tech-institute/insights/tech-brief-airplane-response/
Kicking off our workshop on Policy-Relevant Privacy Reseach (PR2), colocated with @PET_Symposium
2025 in DC: https://pr2.technologypolicyworkshop.org
With Athina Markopoulou and Zubair Shafiq
Is your phone surreptitiously listening to you? Probably not: it doesn't need to. I discussed this and more with Clare Duffy (CNN) on Terms of Service: https://www.cnn.com/audio/podcasts/terms-of-service-with-clare-duffy/episodes/9f25f50c-…
My colleagues and I found a confluence of invasive web tracking and gig worker signups leading to SSN data being sent to Meta and TikTok, from Uber and Lyft driver signup forms. It’s been fixed by the latter two, but the peril of web form …
The IMC Steering Committee is soliciting site proposals for IMC 2026! Preference is for locations outside of North America, for more details, see this doc: https://docs.google.com/document/d/1Ly3CJS5qJHdpU5ZwemYrEiXe_PfFUvM3Xpbkj6-q-ww/edi…
My team is looking for a research engineer to help us build an automated IoT lab to support cybersecurity research in the community. To learn more about it and apply, check out this listing: https://northeastern.wd1.myworkdayjobs.com/caree…
Today the FCC will be voting on the Open Internet NPRM, which is an important step in restoring regulations that promote net neutrality. To learn more about my research on this topic, and how net neutrality violations are harmful, check o…
via Philipp Richter:
heads-up for Internet measurement enthusiasts:
🥳 Yes, there will be a PAM 2024 (Passive and Active Measurement Conference) 🥳
Stay tuned for the official CFP to come out later in September.
Submission deadline is not …
Kicking off our workshop on Policy-Relevant Privacy Reseach (PR2), colocated with @PET_Symposium
2025 in DC: https://pr2.technologypolicyworkshop.org
With Athina Markopoulou and Zubair Shafiq
Is your phone surreptitiously listening to you? Probably not: it doesn't need to. I discussed this and more with Clare Duffy (CNN) on Terms of Service: https://www.cnn.com/audio/podcasts/terms-of-service-with-clare-duffy/episodes/9f25f50c-…
My colleagues and I found a confluence of invasive web tracking and gig worker signups leading to SSN data being sent to Meta and TikTok, from Uber and Lyft driver signup forms. It’s been fixed by the latter two, but the peril of web form …
The IMC Steering Committee is soliciting site proposals for IMC 2026! Preference is for locations outside of North America, for more details, see this doc: https://docs.google.com/document/d/1Ly3CJS5qJHdpU5ZwemYrEiXe_PfFUvM3Xpbkj6-q-ww/edi…
My team is looking for a research engineer to help us build an automated IoT lab to support cybersecurity research in the community. To learn more about it and apply, check out this listing: https://northeastern.wd1.myworkdayjobs.com/caree…
Today the FCC will be voting on the Open Internet NPRM, which is an important step in restoring regulations that promote net neutrality. To learn more about my research on this topic, and how net neutrality violations are harmful, check o…
via Philipp Richter:
heads-up for Internet measurement enthusiasts:
🥳 Yes, there will be a PAM 2024 (Passive and Active Measurement Conference) 🥳
Stay tuned for the official CFP to come out later in September.
Submission deadline is not …
🐘 Community & instance
Home server
discuss.systems
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 7 views per post.
📤Posts about 0.1× per week.
🕵️ Fake follower check
Estimated89/100
Excellent
Credibility score
99%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 99% real, active audience · Low fake-follower risk.
- Strong engagement (~2.4% of followers engage each post) — an active, real audience.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Professor in Computer Science at @Northeastern. I work on privacy, IoT, networking, security, and mobile. Avid cyclist and amateur coffee roaster. He/him
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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Frequently asked questions
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David Choffnes has 291 followers on Mastodon.
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