greg Add us as a preferred source on Google
🔄 Data last refreshed 16 days ago
🤝
Make a deal with greg
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
373
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 greg
Known for
📊 Post engagement
Recent posts · likes + reposts
Jul 1latest
9
Avg engagement / post
1–7
Typical post (engagement)
2.4%
Engagement vs followers
16/100
Spiky reach
Nov 2022
On Mastodon since
Half of recent posts land between 1 and 7 likes + reposts (median 2) — reach is spiky, driven by the occasional post that pops.
🔥 Top post: In German, we don't say "Germany's Merz falls short of majority · 61 likes + reposts
📊 Activity & format
Posting cadence
0.08 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 11 text · 1 image · 0 video.
Follower / following
2.4×
Follows 153 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
Our colleague @mal had another look at OpenOLAT and found a nice RCE (CVE-2026-28228 and CVE-2026-28228). If you're interested, details can be found on our blog https://secfault-security.com/blog/openolat-ssti.html
Just had a real positive experience with @hetzner customer service. Thanks a ton and keep up the good work!
Ohhhhh! Gratz, @khorben
Just saw https://www.freebsd.org/news/newsflash/#2025-05-07:1 :)
Current mood: https://www.youtube.com/watch?v=qTA0RuZoIxM
And if at first you don't succeed (first you don't succeed)
Then dust yourself off and try again
You can dust it off and try again, try again
'Cause if at first you don't succeed (f…
"Donald Trump ist zunehmend frustriert über Donald Trump" - wir alle, Donald.. Wir alle.
@fooelisa hey, schön Dich hier zu sehen! 👋
The other day, our colleague Oliver decided to play around with Syzkaller to fuzz the FreeBSD Kernel. He added some support for the Bluetooth stack and indeed found an OOB read. If you're interested, check our blog post here: https://secfa…
We recently did some internal research and took a look at the JavaScript runtime Deno. We found a couple of interesting bypasses for their permission system. If you'd like to learn more, please feel free to check out our blogpost at https:…
We've taken (another) look at the OpenOlat learning management solution and found an XXE issue, which can be turned into an arbitrary file read and an SSRF problem. In case you're interested, make sure to read our blog post at https://secf…
763a208a101ce73e4b807a470b1e145710a02b38f626945aaeaf20d3963465d3
:ablobcatpopcorn:
"Donald Trump ist zunehmend frustriert über Donald Trump" - wir alle, Donald.. Wir alle.
@fooelisa hey, schön Dich hier zu sehen! 👋
The other day, our colleague Oliver decided to play around with Syzkaller to fuzz the FreeBSD Kernel. He added some support for the Bluetooth stack and indeed found an OOB read. If you're interested, check our blog post here: https://secfa…
We recently did some internal research and took a look at the JavaScript runtime Deno. We found a couple of interesting bypasses for their permission system. If you'd like to learn more, please feel free to check out our blogpost at https:…
We've taken (another) look at the OpenOlat learning management solution and found an XXE issue, which can be turned into an arbitrary file read and an SSRF problem. In case you're interested, make sure to read our blog post at https://secf…
763a208a101ce73e4b807a470b1e145710a02b38f626945aaeaf20d3963465d3
:ablobcatpopcorn:
🐘 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.
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 9 views per post.
📤Posts about 0.1× per week.
🕵️ Fake follower check
Estimated66/100
Good
Credibility score
89%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 89% real, active audience · Low fake-follower risk.
- Engagement (~2.4% of followers engage each post) is around typical for Mastodon.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
CEO of Secfault Security, looks like a cliché hacker according to Halvar Flake
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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Marielle Quinton
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Roy Tomeij :appsignal:
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Frequently asked questions
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greg has 373 followers on Mastodon.
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