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FEDIDEVS

1350 awesome Security developers on Mastodon that posted recently.

Human Recently posted security Security
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Independent investigative journalist. Covers cybercrime, security, privacy. Author of 'Spam Nation,' a NYT bestseller. Former Washington Post reporter, '95-'09. Signal: briankrebs.07
krebsonsecurity @ gmail .com
Linkedin: linkedin.com/in/bkrebs

Last posted 1 day ago
Posts 10,613
Followers โ–ผ 94,344
Following 1,067
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Marcus Hutchins verified
@[email protected]

Cybersecurity

Last posted 2 days ago
Posts 935
Followers โ–ผ 77,955
Following 92
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Director of Cybersecurity
@EFF
/ Co-founder of
@stopstalkerware
/ These are my opinions, not my employersโ€™ / I did a TED talk once

Last posted 1 day ago
Posts 1,794
Followers โ–ผ 63,915
Following 307
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Kevin Beaumont
@[email protected]

Cybersecurity weather person and award winning shitposter. Shitposting is an anagram of Top Insights. You may be surprised to know I am not representing my employer here and these are not their opinions.

I have Direct Messages disabled - you can send them, but I will never receive them.

Last posted 1 day ago
Posts 3,166
Followers โ–ผ 56,631
Following 731
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Member of the Lockdown Systems Collective making @cyd โ€” writing at micahflee.com โ€” author of HACKS, LEAKS, AND REVELATIONS hacksandleaks.com

Last posted 2 days ago
Posts 489
Followers โ–ผ 55,718
Following 654
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Lesley Carhart unverified
@[email protected]

I am eminently qualified to speak from experience about a variety of dumpster fires.

Director of Incident Response at Dragos, ICS cybersecurity person, @pancakescon organizer, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. Speaker available for gigs.

Gin connoisseur. Rodent parent. Some dipshit from Chicago. Now an immigrant in Melbourne.

I post *very serious* things about infosec. Thoughts are entirely my own.

'they/them' ๐Ÿณ๏ธโ€๐ŸŒˆ nonbinary_flag asexual_flag

Last posted 1 day ago
Posts 20,542
Followers โ–ผ 47,921
Following 2,341
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Recovering CISO
May have an orchid problem
Bad photography
Worse dad jokes
The worst Infosec hot takes
Podcast: defensivesecurity.org
Blog: infosec.engineering
Twitter: @maliciouslink
Infosec.Exchange Admin

โ€ฆand for fucks sake, be nice to each other. We are only here for a brief time. Make it enjoyable.

To help support the costs associated with running this instance, please consider donating. You can set up recurring donations here:

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You can also support with a one-time donation using PayPal to "[email protected]".

Last posted Less than a day ago
Posts 41,095
Followers โ–ผ 38,845
Following 3,524
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Scientist, safecracker, etc. McDevitt Professor of Computer Science and Law at Georgetown. Formerly UPenn, Bell Labs. So-called expert on election security and stuff. twitter.com/mattblaze on the Twitter. Slow photographer. Radio nerd. Blogs occasionally at mattblaze.org/blog . I probably won't see your DM; use something else. He/Him. Uses this wrong.

Last posted Less than a day ago
Posts 15,906
Followers โ–ผ 32,787
Following 354
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Admin of Fosstodon, along with @mike.

I work in InfoSec ๐Ÿ”

Father of two ๐Ÿ‘จโ€๐Ÿ‘ฆโ€๐Ÿ‘ฆ, husband of one ๐Ÿ‘ฐโ€โ™€๏ธ๐Ÿคตโ€โ™‚๏ธ

Keeper of dogs (x2) ๐Ÿถ, cat ๐Ÿ˜ป, fish (x100s) ๐Ÿ  and chickens (x12) ๐Ÿ”

I'm also partial to collecting watches โŒš๏ธ and riding motorbikes ๐Ÿ๏ธ

Last posted 1 day ago
Posts 3,986
Followers โ–ผ 26,218
Following 63
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Ian Coldwater ๐Ÿ‘ป๐ŸŒฟ
@[email protected]

Kubernetes SIG Security co-chair, container escape artist, goose in the mainframe. Minneapolis. Stay punk ๐Ÿด

Last posted 1 day ago
Posts 1,511
Followers โ–ผ 25,482
Following 215
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Creator of @haveibeenpwned. Microsoft Regional Director and MVP. Pluralsight author. Online security, technology and โ€œThe Cloudโ€. Australian.

Last posted 4 days ago
Posts 853
Followers โ–ผ 20,625
Following 54
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Last posted 2 days ago
Posts 1,388
Followers โ–ผ 17,266
Following 196
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Catalin Cimpanu
@[email protected]

Cybersecurity reporter for Risky Business

Last posted 2 days ago
Posts 57
Followers โ–ผ 17,093
Following 406
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CatSalad๐Ÿˆ๐Ÿฅ— (D.Burch) blobcatrainbow
@[email protected]

Privacy advocate ใ€ฑ Malware analyst ใ€ฑ Cybersecurity
ใ€ฐ๏ธโ€ฏโ InfoSec ใ€ฐ๏ธโ€ฏโ DFIR ใ€ฐ๏ธโ€ฏโ CISSP ใ€ฐ๏ธโ€ฏโ ้ป‘ๅฎข ใ€ฐ๏ธโ€ฏโ Katzenmรคdchen
ablobcatmaracasevil โฝสฐแต’แต–แต‰ สธแต’แต˜ หกโฑแตแต‰ แถœแต’สณโฟสธ สฒแต’แตแต‰หข แตƒโฟแตˆ แถœแตƒแต—หขโพ

ใ€ Professional Computer Booper ใ€‘
Even my brain has certs (asd,adhd,...)
Gender: a threat model nonbinary_flag (they/them)

โ€Hรคn on vรคhรคn sellainen kusilonkkiโ€

__๐Ÿ˜บ๐Ÿ˜ท๐Ÿ”›โ“‚๏ธ๐Ÿฆ ๐Ÿบ๐Ÿˆโ€โฌ›๐Ÿฉท๐Ÿฉต๐Ÿ”ฌ๐Ÿง‘๐Ÿปโ€๐Ÿ’ป๐Ÿ›๏ธ๐Ÿ’ค__

Last posted Less than a day ago
Posts 28,199
Followers โ–ผ 16,766
Following 3,596
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Zack Whittaker
@[email protected]

Security editor, TechCrunch
Email: [email protected]
Signal: zackwhittaker.1337
New York, NY

Last posted 1 day ago
Posts 2,247
Followers โ–ผ 15,727
Following 409
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Michaล‚ "rysiek" Woลบniak ยท ๐Ÿ‡บ๐Ÿ‡ฆ
@[email protected]

Hacker, activist, free-softie โ—ˆ techie luddite โ—ˆ formerly information security and infrastructure at isnic.is/ and occrp.org/ โ—ˆ my opinions are my own etc.

(he/him)

โ‚

profile image: drawing of a head and shoulders of a cat-person, in a space suit.

banner image: long-exposure photo of a large tent, brightly illuminated from inside, looking as if it is made of lava

(public toots CC By-SA 4.0 if applicable)

๐Ÿ‡ช๐Ÿ‡บ ๐Ÿ‡ต๐Ÿ‡ฑ ยท ๐Ÿ‡ง๐Ÿ‡ฆ ๐Ÿ‡ฎ๐Ÿ‡ธ ยท ๐Ÿ‡บ๐Ÿ‡ฆ

Last posted 1 day ago
Posts 44,448
Followers โ–ผ 15,292
Following 3,786
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Matthew Garrett
@[email protected]

Former biologist. Actual PhD in genetics. Security at aurora.tech, OS security teaching at ischool.berkeley.edu. Blog: mjg59.dreamwidth.org. He/him.

Last posted 2 days ago
Posts 4,761
Followers โ–ผ 15,137
Following 170
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Reporter covering security at Ars Technica. DM me on Signal: DanArs.82.

Last posted 1 day ago
Posts 4,562
Followers โ–ผ 14,331
Following 1,118
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Graham Cluley
@[email protected]

Computer chap. Public speaker, blogger, fan since 1972. Author of Jacaranda Jim and Humbug games. Co-host of "The AI FIx" and @smashingsecurity . Needs haircut.โ€ฉ

He/Him/His

Last posted 2 days ago
Posts 1,484
Followers โ–ผ 13,433
Following 634
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Founder of DEF CON & Black Hat. 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 1 day ago
Posts 2,861
Followers โ–ผ 10,956
Following 1,118