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Make a deal with Gynvael Coldwind 🐈
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4.2K
Account age
3 yrs
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$40 – $65 / sponsored post
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🧰 Free analysis for Gynvael Coldwind 🐈
Known for
43 views
New issue - #9 - of the free @PagedOut zine is here!
90 pages of pure technical awesomeness!
Please help spread the news ❤️
Web: https://pagedout.institute/webview.php?issue=9&page=1
PDF: https://pagedout.institute/download/PagedOut_009.pdf
Wallpaper: https://pagedout.institute/download/PagedOut_009_wallpaper.png
Patreon: https://www.patreon.com/cw/PagedOut
Enjoy!
32 views
My second article in Paged Out! #8 was about the architecture of the terminal emulator on Linux - it's a really obvious thing until you start digging into details, as usual.
Web viewer: https://pagedout.institute/webview.php?issue=8&page=43&article=Linux+terminal+emulator+architecture
PDF download: https://pagedout.institute/?page=issues.php
15 views
Story time! A few weeks ago I was at the AREA41 conference and there were A LOT of CTFs there - it was almost like every village and every sponsor's booth had one. I had some time before my talk so I decided to play one of these and I ended up selecting the InfoGuard one (shoutout to super friendly organizers).
One of the tasks had MQTT in the name, so I expected to have to play with the standard
6 views
My article in newest Paged Out! about everyone's favorite Python party trick:
https://pagedout.institute/webview.php?issue=8&page=63&article=Trying+to+demo+Python%27s+is
#python #goingtoapythonprogrammersparty #pythonprogramminglanguagethemedparty #whatispythonsis
📊 Post engagement
14
Avg engagement / post
0.3%
Engagement vs followers
Oct 2022
On Mastodon since
🔥 Top post: New issue - #9 - of the free @PagedOut zine is here! 90 pages o · 43 likes + reposts
📊 Activity & format
Posting cadence
0.55 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 8 text · 4 image · 0 video.
Follower / following
14×
Follows 306 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Recent posts
View on Mastodon ↗
🔥 Top post
New issue - #9 - of the free @PagedOut zine is here!
90 pages of pure technical awesomeness!
Please help spread the news ❤️
Web: https://pagedout.institute/webview.php?issue=9&page=1
PDF: https://pagedout.institute/download/PagedOut_009.pdf
Wallpaper: https://pagedout.institute…
Btw, if you like Python tricks, check out my Python Cyber Summer Camp → https://hackarcana.com/py-summer
Whatever .get()'s you the flag (video):
https://www.youtube.com/watch?v=CtgFnMawPwE
Story time! A few weeks ago I was at the AREA41 conference and there were A LOT of CTFs there - it was almost like every village and every sponsor's booth had one. I had some time before my talk so I decided to play one of these and I ende…
AREA41 just published the recording from my pretty unusual talk:
"Hacker Goes Speedrunning: Beating A 25 Hour Game In Under 2 Minutes"
https://www.youtube.com/watch?v=OkL6RKLznHk
Enjoy!
I've posted a new video on YT - this one about my favorite things in Unicode. I'm slowly working to getting back to posting more and more YT videos ;)
https://youtu.be/OqonHO_Hsdo
I've posted a new video about a specific variant of Open Redirect, that I think is the most problematic one, up to the point of actually being a vulnerability: https://www.youtube.com/watch?v=eTdeFbWROeg
I've signed up two amazing K8s experts to my edu platform, and they're making a pwning K8s challenge/mini-CTF on Wed 29th Apr evening (it will run for two weeks). If you want to check it out → https://hackarcana.com/challenge/2026-Q2-k8s-c…
RE: https://infosec.exchange/@PagedOut/116362415442678434
This article (recommended if you're learning RE!) reminded me of a GOATed FPGA bistream reversing task from Google CTF (GPURTL by Robin), where the key to solving it for me was obse…
https://www.youtube.com/watch?v=gJM9pZydzVg ← my new old talk was released as a standalone; it's a fun story of how you go from being able to write '2' (0x32, 1 byte) anywhere on the FS to full RCE with admin/root privs
My second article in Paged Out! #8 was about the architecture of the terminal emulator on Linux - it's a really obvious thing until you start digging into details, as usual.
Web viewer: https://pagedout.institute/webview.php?issue=8&page=4…
My article in newest Paged Out! about everyone's favorite Python party trick:
https://pagedout.institute/webview.php?issue=8&page=63&article=Trying+to+demo+Python%27s+is
#python #goingtoapythonprogrammersparty #pythonprogramminglanguagethe…
Story time! A few weeks ago I was at the AREA41 conference and there were A LOT of CTFs there - it was almost like every village and every sponsor's booth had one. I had some time before my talk so I decided to play one of these and I ende…
AREA41 just published the recording from my pretty unusual talk:
"Hacker Goes Speedrunning: Beating A 25 Hour Game In Under 2 Minutes"
https://www.youtube.com/watch?v=OkL6RKLznHk
Enjoy!
I've posted a new video on YT - this one about my favorite things in Unicode. I'm slowly working to getting back to posting more and more YT videos ;)
https://youtu.be/OqonHO_Hsdo
I've posted a new video about a specific variant of Open Redirect, that I think is the most problematic one, up to the point of actually being a vulnerability: https://www.youtube.com/watch?v=eTdeFbWROeg
I've signed up two amazing K8s experts to my edu platform, and they're making a pwning K8s challenge/mini-CTF on Wed 29th Apr evening (it will run for two weeks). If you want to check it out → https://hackarcana.com/challenge/2026-Q2-k8s-c…
RE: https://infosec.exchange/@PagedOut/116362415442678434
This article (recommended if you're learning RE!) reminded me of a GOATed FPGA bistream reversing task from Google CTF (GPURTL by Robin), where the key to solving it for me was obse…
https://www.youtube.com/watch?v=gJM9pZydzVg ← my new old talk was released as a standalone; it's a fun story of how you go from being able to write '2' (0x32, 1 byte) anywhere on the FS to full RCE with admin/root privs
My second article in Paged Out! #8 was about the architecture of the terminal emulator on Linux - it's a really obvious thing until you start digging into details, as usual.
Web viewer: https://pagedout.institute/webview.php?issue=8&page=4…
My article in newest Paged Out! about everyone's favorite Python party trick:
https://pagedout.institute/webview.php?issue=8&page=63&article=Trying+to+demo+Python%27s+is
#python #goingtoapythonprogrammersparty #pythonprogramminglanguagethe…
🐘 Community & instance
Home server
infosec.exchange
A cybersecurity & infosec server — its members and audience skew toward that niche, so expect a community-aligned, engaged following.
✅ 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
Oct 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 14 views per post.
📤Posts about 0.6× per week.
🕵️ Fake follower check
Estimated81/100
Excellent
Credibility score
97%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 97% real, active audience · Low fake-follower risk.
- Engagement (~0.3% of followers engage each post) is around typical for Mastodon.
- Organic base — far more followers than accounts it follows.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
security researcher/programmer ⁂ previously security team @ Google ⁂ Dragon Sector CTF founder/player ⁂ technical livestreamer ⁂ slide maker ⁂ he/him
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