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Jack Fitzsimons

Jack Fitzsimons

Mastodon @jfitzsimo@infosec.exchange
⚔ Compare ☆ Follow Own this channel?
🔄 Data last refreshed 4 days ago
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Make a deal with Jack Fitzsimons

🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne disclosed post (toot) with your link and message. $12→ 🧵Sponsored threadA multi-post explainer or story — the fediverse rewards dept… $30→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Auth… $16→ 📌Pinned sponsored postA disclosed post pinned to the top of my profile for the mon… $36/mo→ 🔗Profile link (bio field)Your link in one of my profile metadata fields for the month… $18/mo→ 🔁Boost packageI boost (repost) your account's toots through the month — di… $24/mo→ 🏛️Instance / community sponsorshipSponsor the server I run — a sponsor line in the About/rules… $30/mo→ 🤝Mutual boost collabWe boost each other across instances — a value swap between … Swap→ 🎬UGC HireBranded content for your own channels & ads from $50→ 🎙️Podcast guest spotInvite Jack Fitzsimons onto your podcast (~45 min, remote) $25→ 📞1:1 ConsultPaid video call — advice, coaching or Q&A $75/hr→

Every booking is a normal escrow-protected deal.

Followers
39
Account age
3 yrs
🎁 Free analysisfor Jack Fitzsimons
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

📊 Post engagement

1
Avg engagement / post
2.6%
Engagement vs followers
Dec 2022
On Mastodon since

🔥 Top post: A little over a week in the #uk has come to an end. Things I’ve · 1 likes + reposts

📊 Activity & format

Posting cadence
0.04 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 5 text · 0 image · 0 video.
Follower / following
0.3×
Follows 144 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗
🔥 Top post A little over a week in the #uk has come to an end. Things I’ve realised I still miss 11 and a half years later: - Green(er) spaces - Marks & Spencer - Co-OP’s own salt and vinegar crisps - Wetherspoons all day brunch Things I don’t miss: - Hen parties at Wetherspoon - Mobile s… ★ 1
A huge thank you to everyone at #Securitay2026 who stopped by to hear me go on about mainframe security. Happy to see it didn't put any of you to sleep. Was also great to see lots of other excellent talks. (Hopefully) see you again next y… Just in time for the end of the year, I finally got round to updating my blog. Sort of. Some thoughts on writing a good CFP that should improve your chances of getting accepted: https://fitz.dk/posts/writing-a-good-cfp-that-gets-your-talk… Standard Notes and Proton joining forces - not mad at it at all, there’s definitely worse choices! https://standardnotes.com/blog/joining-forces-with-proton #privacy Just over 2 weeks to go before I ramble on about smart home devices and data privacy. Really looking forward to this one! If you’re in Helsinki for Disobey, do come say hello. https://disobey.fi/2024/profile/disobey2024-190-how-much-dirty…

🐘 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
Dec 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 1 views per post.
📤Posts about 0× per week.

🕵️ Fake follower check

Estimated
76/100
Good Credibility score
97%
Real Real audience
Low Fake-follower risk
Medium Data confidence
  • Est. 97% real, active audience · Low fake-follower risk.
  • Strong engagement (~2.6% of followers engage each post) — an active, real audience.
  • Established account (3+ years old).

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

Security consultant focusing on #mainframe and #cloud (not at the same time!). Sysadmin in a former life, cat lover, and a bit of a privacy nut. Might occasionally toot in Danish.

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

Jimmy Jimmy 18% Upsun Upsun 16% oui oui 14% Robert Banz Robert Banz 14% David Harman David Harman 14% Borussia Leer Borussia Leer 11%

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