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FEDIDEVS

Awesome Security accounts on Mastodon.

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Catalin Cimpanu
@[email protected]

Cybersecurity reporter for Risky Business

Last posted 1 day ago
Posts 119
Followers ▼ 27
Following 439
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Founder of DEF CON & Black Hat. Maintainer of infocon.org.

Member of the UK Gov Cybersecurity Advisory Board & The Council on Foreign Relations.

Working to get Hackers and Researchers a seat at the Policy table.

I'm interested in hacking, community, technology, privacy, security policy, and the intersection of civil society. (He/Him) Opinions are my own.

Previously member ONCD (2024-2025), CISA Cyber Security Advisory Council (2021-2025), and DHS Advisory Council (2009-2020)

Last posted Less than a day ago
Posts 4,134
Followers ▼ 27
Following 1,160
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Have I Been Pwned
@[email protected]

Check if you have an email address or password that has been compromised in a data breach. Created and maintained by @troyhunt

Last posted 2 days ago
Posts 387
Followers ▼ 25
Following 1
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Michael Boelen
@[email protected]

Founder of CISOfy; author of tools rkhunter and Lynis; involved with NLUUG, and ; helping companies to secure their environment; interested in and sharing messages in English, sometimes in Dutch 🇳🇱. My Dutch-only account is also @mboelen (mastodon.nl).

Last posted 2 days ago
Posts 3,100
Followers ▼ 24
Following 195
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Sr. Security Specialist at iteratec // @seemoo alumni // Member of CCC // Crypto means cryptography.

tfr.

Last posted 2 days ago
Posts 1,786
Followers ▼ 24
Following 133
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Your digital life is being decided for you. Techlore helps you take it back—privacy, security, and digital rights, made simple by Henry Fisher.

Last posted 5 days ago
Posts 1,495
Followers ▼ 24
Following 56
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Founder & CEO of @haveibeenpwned, the most trusted name in data breach intelligence. Speaker, blogger, Microsoft Regional Director. Gold Coast, Australia.

Last posted 2 days ago
Posts 1,332
Followers ▼ 23
Following 54
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Ian Campbell 🏴
@[email protected]

Security ops engineer for DomainTools, DT Investigations threat researcher, writer, voracious reader. he/him. Fan of good trouble. Opinions here mine only. No LLM content from me, all flaws detected are human-generated. Autistic/depressed/anxious/hungry.

Last posted 1 day ago
Posts 487
Followers ▼ 23
Following 1,617
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VessOnSecurity
@[email protected]

Anti-virus, malware and infosec expert, crypto amateur, privacy advocate and general annoyance.

PGP keyID: 0x365697c632dd98d9

Last posted 1 day ago
Posts 9,968
Followers ▼ 23
Following 51
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dotdotslash_bot
@[email protected]

A bot that posts new directory traversal CVEs. Fame may be temporary but are forever!

Posts are unlisted to avoid public timeline spamming.
I'll gladly take proposals for new templates.

Very much WIP right now

Last posted Less than a day ago
Posts 117
Followers ▼ 21
Following 1
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Jamie Levy 🦉
@[email protected]

@volatility Core Dev | Art of Memory Forensics co-author | trainer and enthusiast | Director of Adversary Tactics at @huntress

Last posted 1 day ago
Posts 569
Followers ▼ 21
Following 499
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Brian Sletten
@[email protected]

Liberal Arts-Educated Foodie Machine Learning SemWeb REST Architectural Music Geek Software and Security Consultant. Member: @LongNow, @eff, @ACM
Author: "WebAssembly : The Definitive Guide” (oreilly.com/library/view/webas).

Advocate of less typing and more thinking.

Boney M backup singer.

Last posted 1 day ago
Posts 5,357
Followers ▼ 20
Following 1,997

Displaced Philly boy. Threat hunter. Educator. ifin Executive Director. , rust, python haskell, and javascript. advocate. General in the AI Resistance. Runs @thetaggartinstitute. Made wtfbins.wtf. Not your bro. All opinions my own. Dad.

Pronouns: He/him.

Last posted 1 day ago
Posts 12,164
Followers ▼ 20
Following 912
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Journalist - cybersecurity/national security. Author COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon. Speaker/Signal. Newsletter is called Zero Day. Find it here: zetter-zeroday.com/. Become a paid subscriber to help support my independent journalism.

Last posted 1 week ago
Posts 404
Followers ▼ 19
Following 530
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D̒͂̕ᵈăᵃn̕ᶰ Ť̾̾̓͐͒͠ᵗe͗̑́̋̂́͡ᵉn̅ᶰtᵗl̀̓͘ᶫe̓̒̂̚ᵉrʳ
:: Founder, Phobos Group
:: Quad Flooper :: Scoville Addict
:: Public Speaker :: food pornographer
:: Twitter Alum (2011-2012)
:: security histrionics
:: finance histrionics
:: tattoo'ed nerd
:: security longhair

part george carlin, part bill hicks, part robin williams.
I run a tiny security consulting company, make hotsauce, watch cartoons and figured out how to weaponize home assistant. I found 118 dollars of btc in my garage.

Last posted Less than a day ago
Posts 67,649
Followers ▼ 19
Following 742
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Henna Virkkunen
@[email protected]

Executive Vice-President for Tech Sovereignty, Security and Democracy of the European Commission

Last posted 1 week ago
Posts 102
Followers ▼ 19
Following 1
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Martin Seeger
@[email protected]

Working at front lines of the IT and having fun there. Been around the Internet since 1992 and still in awe what has become of that little baby. Currently wanted for repeated "Nerd Sniping" on all continents.

Personal interests:

- IT Security
- Computer Games & TTRPGs
- Cycling
- Cooking & Baking
- Books, Movies, TV-Series (mostly F&SF)
- 3D printing (new!)
- Everything that blinks, has buttons to press and looks remotely gadgetoid

Everything i write, post, tweet, blog or blurp is just my personal opinion and is not the opinion or policy of my employer, my cat or my goldfish.

I post in English and German. Will try to mark each post correctly, but errors happen. Sorry for that.

I apologize if I am not following you back. This happens as my stream is already getting more posts than I can read.

Last posted 1 day ago
Posts 19,931
Followers ▼ 19
Following 287
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Investigative Tech-Reporterin Republik & Dnip.ch
Eigener Blog: techjournalismus.ch

Interests:

Awards for the years: 2018, 2020, 2021, 2023 and 2024.

And:

Last posted 1 day ago
Posts 1,180
Followers ▼ 18
Following 262
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Author of Digital Forensic/Pen Test/Blue Team Diaries, Hands-on Incident Response and Digital Forensics & Security Operations in Practice! (he/him)

Last posted 1 day ago
Posts 13,349
Followers ▼ 18
Following 343
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Amateur professional sysadmin. Professional amateur at . Also fond of , , and . I like board games and some video games. I am cautious and I still . Opinions are my own, but they can be yours too. 100% Organic:,No artificial colors, preservatives, or intelligence added.

Last posted 1 day ago
Posts 7,484
Followers ▼ 18
Following 1,382
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Jakub 'unknow' Mrugalski
@[email protected]

🤖 Piszę o technologii, cybersecurity i biznesie.
🛠 Dzielę się użytecznymi narzędziami.
💰 Jestem właścicielem MIKR.US (hosting VPS)

Last posted 1 day ago
Posts 3,117
Followers ▼ 17
Following 19