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Posts by Michalis Polychronakis

Hello Cybersecurity Research Agents! Miss today's @synsec_ai deadline? So did we! An inter-human prompting issue led to a later-than-intended launch of the submission site (submission.synsec.org), and we're extending the timeline to remedy this! The deadline is now May 1st!

2 weeks ago 2 3 1 0
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This is my favorite climate change chart. Japanese monks, aristocrats, and emperors kept meticulous records of cherry blossom festivals for 1,200 years and accidentally built the world's longest climate dataset.

2 weeks ago 18169 6880 168 255

Excited to be co-chairing RAID 2026 (raid2026.org) alongside Tiffany Bao this year!

Looking for a security venue to submit your research? The deadline is just around the corner—April 16, 2026.

CFP: raid2026.org/call.html

Looking forward to seeing you in Lancaster this October (11–14)!

3 weeks ago 3 4 0 0
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Television as World Model Installation What if we could study the world model that television installs in its viewers?

What if we could extract the world model that television installs in its viewers? Some thoughts about media, world models and culture.
open.substack.com/pub/senykama...

1 month ago 11 3 1 4
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Greek court finds four guilty of prying on private data in wiretapping scandal A Greek court on Thursday concluded that the founder of surveillance firm Intellexa and three other people were guilty of breaching personal data in 2020-2021 and sentenced them to prison terms, in th...

“The court also referred the case back to prosecutors for further investigation of other crimes and more serious offences potentially committed, including #espionage.”

www.reuters.com/business/fin...

1 month ago 15 6 0 0
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‘The bathrooms were rank, but we didn’t care’: how the grimy-but-great CBGB changed rock for ever Half a century ago, the famed New York venue run by a former marine and folk singer was ground zero for the punk and new wave scenes. Now the bands who played there are being celebrated on a 101-track...

CBGB&OMFUG. Iconic and mourned.

www.theguardian.com/music/2026/f...

1 month ago 19 4 2 0
Original post on mstdn.social

#IPv6 adoption is still terrible.

Akamai, Cloudflare, and Google all report roughly 45% of traffic to their services using IPv6 in the US...

www.akamai.com/security-research/ipv6-a...

...but that's (a) not all that great, and (b) only HTTP traffic to major services […]

2 months ago 1 7 1 0
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Unsung heroes: Flickr’s URLs scheme – Unsung A blog about software craft and quality

In which I celebrate the craft of Flickr’s original, amazing URL scheme: unsung.aresluna.org/unsung-heroe...

2 months ago 17 8 2 1
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What software companies are not CNAs for their own products, but should be? And why? 🤔

Boost for reach. 🙏

2 months ago 1 2 0 0
Conference of Synthetic Security Research SynSec 2026 is an in-person conference in Phoenix focused on automated security research by AI agents, including AI-led papers and AI-first peer review.

Hello security researchers! Like it or not, agentic AI is here. It’s time to explore its impact on novel, academic research in cybersecurity. To this end, we’re launching the Conference for Synthetic Security Research (https://synsec.org Researchers, start your agents!

2 months ago 3 3 1 1
The first story is captioned "Meta plans to add facial recognition technology to its smart glasses"; the second is "Iran turns to digital surveillance tools to track down protesters."

The first story is captioned "Meta plans to add facial recognition technology to its smart glasses"; the second is "Iran turns to digital surveillance tools to track down protesters."

Two stories, side by side, in the NY Times Technology section.

2 months ago 2 15 0 0
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Beginning to scan some of my telecom stuff.
Here's an ATT map from 1893.

2 months ago 2 10 0 0
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Watch 404 Media’s Super Bowl Ad WE BOUGHT A SUPER BOWL AD.

404 Media just had an ad during the #SuperBowl! We Googled "smallest TV markets in the United States" and bought an ad for $2,550 that only ran in Ottumwa, Iowa, population 25,000. That still counts

www.404media.co/watch-404-me...

2 months ago 2525 388 51 43
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The video of my #FOSDEM 2026 talk on integrating the Fourth Research Edition Unix tape into the GitHub Unix history repository is now available online: ftp.belnet.be/mirror/FOSDE...

2 months ago 9 3 0 0
US court allows ICE to arrest and pepper-spray peaceful protestors in Minnesota

US court allows ICE to arrest and pepper-spray peaceful protestors in Minnesota

Appeals Court Stays Restrictions on Federal Tactics in Minnesota
The Eighth Circuit granted the Trump administration’s request to block, at least for now, a lower court’s injunction limiting how federal agents interact with protesters in the state.

Appeals Court Stays Restrictions on Federal Tactics in Minnesota The Eighth Circuit granted the Trump administration’s request to block, at least for now, a lower court’s injunction limiting how federal agents interact with protesters in the state.

One court decision, two different headlines.

Guardian on the left, NY Times on the right. Which one more directly conveys information and the stakes to the reader?

3 months ago 6323 2082 133 111
NSF building on Eisenhower Av. HUD now owns.

NSF building on Eisenhower Av. HUD now owns.

Destroying the NSF mural in the foyer. Of the Eisenhower building.

Destroying the NSF mural in the foyer. Of the Eisenhower building.

The National Science Foundation sign on our Eisenhower Av building is now gone.

The NSF mural in the foyer is removed and torn off in sheets.

We were supposed to celebrate the 75th anniversary of the agency in May 2025. That never happened.

3 months ago 1872 858 70 66
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Fav tech museums A photo essay of 20-something best tech museums I’ve been to

I wrote a photo essay with 20+ of my favourite tech museums in the world, and tried to figure out what makes a great museum in the process.

I am very curious what tech museums you like – and why!

aresluna.org/fav-tech-mus...

3 months ago 65 16 12 2
The discovered Fourth Edition tape (photo credit Rob Ricci)

The discovered Fourth Edition tape (photo credit Rob Ricci)

Several news outlets reported the amazing discovery of a 1970s Fourth Edition Research Unix magnetic tape. I incorporated the tape’s source code into the Unix History Repository hosted on GitHub and studied the code’s composition. Here's what I found.
www.spinellis.gr/blog/2025122...

3 months ago 18 8 0 0
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Harsh (@harshvp.bsky.social) presenting our work on enhancing the precision of CVE triage using code reachability information at ACSAC 2025 @acsacconf.bsky.social | paper: www3.cs.stonybrook.edu/~mikepo/pape... | source code: github.com/harshvp1621/...

4 months ago 5 1 0 0
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pwn.college Learn to Hack!

Hello hackers! A belated announcement of an awesome new thing we're trying out in @pwncollege: #AdventOfPwn! Every day (starting yesterday - sorry for the belated post!), we're launching a new challenge at pwn.college/advent-o... for your hack-racing pleasure.

4 months ago 0 1 1 0

On December 4, 2007, in the Usenet group “Friends of the Friendless,” someone wrote:
“Happy Friendsgiving Y’all!”

And that is the first recorded use of ‘Friendsgiving’ in print.

4 months ago 766 144 17 11
Stop Hacklore!

📢 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

4 months ago 103 61 6 13

We can have old Google back by setting the Web tab as default (at least with Firefox): bsky.app/profile/mike...

4 months ago 2 1 0 0

I gave these as a gift ages ago! In the 2000s, our gadgets dressed better than we did.

4 months ago 0 0 0 0
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Paschalis (@pbekos.bsky.social) presenting our work on PII leakage through Meta Pixel at ACM CCS 2025 | paper: www3.cs.stonybrook.edu/~mikepo/pape... | code+data: github.com/pasxalisbeko...

6 months ago 3 1 0 0
23rd Conference on Detection of Intrusions and Malware & Vulnerability Assessment (DIMVA '26)

🗣️ Call for Papers – #DIMVA26
Deadlines are out!
📅Cycle 1 is Dec 3.
CfP is live 👉 dimva.org/dimva2026
📍 Chania, Greece | 1–3 July 2026
Don’t miss your chance to share your research! #CFP

6 months ago 2 3 0 1
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Open Social — overreacted The protocol is the API.

i wrote about atproto and why it matters

6 months ago 2832 506 123 148
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The day Return became Enter A deep dive into the convoluted and fascinating story of one of the most important keys on the keyboard

I posted online the 2023 essay that was available as a Shift Happens booklet before: The convoluted history of Return and Enter on keyboards. aresluna.org/the-day-retu...

7 months ago 40 7 1 3
Phrack 40th Anniversary ansi art by Harvest

Phrack 40th Anniversary ansi art by Harvest

Phrack turns 40.
The digital drop is live.
Download it. Archive it. Pass it on.
💾 www.phrack.org
#phrackat40 #phrack72

8 months ago 157 82 0 2
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Frame of preference A story of early Mac settings told by 10 emulators.

I wrote something new! It’s a UI design history essay about Mac’s Control Panel, and it uses emulation in some… maybe new and maybe interesting ways?

aresluna.org/frame-of-pre...

9 months ago 331 90 24 29