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Mastodon @seibai@infosec.exchange

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Followers

107

Account age

3 yrs

🎁 Free analysisfor Jonathan Birch

🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

Known for

23 views Snow watching cat 🙂 #cat #caturday #catsofmastodon

14 views Vampire upside-down cat 🙂 #cat #caturday

12 views Bandit, as ever, has questions. Like “Why did you call my name?” and “what’s that rectangle you’re holding?”. #cat #caturday

9 views Three uses for a paper bag. #cat #caturday

📊 Post engagement

📊 Activity & format

Posting cadence

0.5 / week

A lower-frequency account — each post lands with more weight.

Content mix

Mostly images

Recent: 3 text · 8 image · 1 video.

Follower / following

5.6×

Follows 19 back. A strong ratio — an audience that follows them, not a follow-for-follow network.

Recent posts

View on Mastodon ↗

🔥 Top post Snow watching cat 🙂 #cat #caturday #catsofmastodon ★ 23

Bandit, as ever, has questions. Like “Why did you call my name?” and “what’s that rectangle you’re holding?”. #cat #caturday ★ 12

Vampire upside-down cat 🙂 #cat #caturday ★ 14

Bandit being Bandit 🙂 #cat #caturday ★ 8 Security folks, how do you deal with organizing and tracking all of your MFA tokens? I used to just use keychains, but now that everything is Yubikey Nanos, I’m looking into bead organizers. Is this a common problem, or am I just Yubikeys … ★ 1

Minnie enjoying today’s new toy. #cat #caturday ★ 7

Three uses for a paper bag. #cat #caturday ★ 9

Last night I was taking the trash out and was visited by a very pretty Bengal cat just outside of the gate to our house. I thought I had never seen it before, but comparing to a photo of a cat that visited our windows a few months ago when… ★ 3 The bell that rang at Jetavana echoes yet: "All things end" The fading of the sala flower demonstrates: "The prosperous fall" The privileged do not last They are as a dream on a spring night The powerful perish in time They are ash blown b…

▶ Bandit was experimenting with a new combat technique 😆 She spent several minutes following Minnie around like this. #caturday ★ 7 Not sure how much credence to give the fact that Polymarket seems to indicate that Israel is attacking/has attacked Iran: https://polymarket.com/event/israel-strikes-iran-by-february-28-2026

There is a hotel I have stayed at several times that continues to make me think it's actually a stealth escape room. There is art all over the hotel that seems to be puzzles, but I've never spent the time to actually solve them. Note that … ★ 1

🐘 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

Jan 2023

Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.

💡 Facts

🗓️Joined Mastodon in 2023 — 3 years ago.

👁️Averages 9 views per post.

📤Posts about 0.5× per week.

🕵️ Fake follower check

Estimated

66/100

Good Credibility score

89%

Real Real audience

Low Fake-follower risk

High Data confidence

Est. 89% real, active audience · Low fake-follower risk.
Engagement (~8.4% 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

Penetration tester and security researcher currently working for Microsoft. Opinions and views expressed are my own and not my employer's.

📸 Gallery

🔀 Audience overlap

Estimated

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

Blackstone Valley Art Assc 17%

Nam Henderson 16%

Luís António Santos 14%

Fernando 14%

John 13%

MikeVV :verified: 12%

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Frequently asked questions

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How many followers does Jonathan Birch have?

Jonathan Birch has 107 followers on Mastodon.

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Known for

📊 Post engagement

📊 Activity & format

Recent posts

🐘 Community & instance

💡 Facts

🕵️ Fake follower check

About

📸 Gallery

🔀 Audience overlap

More like this

Frequently asked questions

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