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FEDIDEVS

78 popular Security accounts on Mastodon.

Popular 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 11,540
Followers ▼ 319
Following 1,086
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Director of Cybersecurity
@EFF
/ Co-founder of
@stopstalkerware
/ These are my opinions, not my employers’ / I did a TED talk once

Last posted 1 day ago
Posts 1,947
Followers ▼ 318
Following 309
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Secure decentralized messaging for all major platforms and then some. Reliable and instant by using fast and secure Chatmail servers, but also compatible with classic e-mail providers. Offering chat-shared web apps for fun and collaboration, end-to-end encrypted and without any server side hosting. Security-Audited multiple times, last in 2024.

Last posted 2 days ago
Posts 1,931
Followers ▼ 95
Following 550
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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 5 days ago
Posts 252
Followers ▼ 80
Following 1
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Lenny Zeltser
@[email protected]

CISO at Axonius. Author and Faculty Fellow at SANS Institute. Creator of REMnux.

I transform ideas into successful outcomes, building on my 25 years of experience in cybersecurity. As the CISO at Axonius, I lead the security program to earn customers' trust. I'm also a Faculty Fellow at SANS Institute, where I author and deliver training for incident responders. My expertise, which spans cybersecurity, IT, and leadership, allows me to create practical solutions that drive business growth.

Last posted 3 days ago
Posts 181
Followers ▼ 78
Following 268
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Alpine Linux is a security-oriented, lightweight Linux distribution based on musl libc and busybox.

Last posted 3 days ago
Posts 186
Followers ▼ 71
Following 7
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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 3,556
Followers ▼ 68
Following 745
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Marcus Hutchins verified
@[email protected]

Cybersecurity

Last posted 3 days ago
Posts 981
Followers ▼ 67
Following 92
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Matthias Eberl
@[email protected]

Journalist, Educator, Researcher Freelancer e.g. SZ, Netzpolitik, Kuketz-Blog.
🏆 Deutscher Reporterpreis

Sometimes I also write some small things about the climate crisis .

Account is .

Last posted 3 days ago
Posts 4,039
Followers ▼ 54
Following 466
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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' 🏳️‍🌈 nonbinary_flag asexual_flag

Last posted 1 day ago
Posts 21,426
Followers ▼ 53
Following 2,358
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Techlore empowers individuals with practical digital privacy knowledge, security tools, and advocacy resources. Discover how to protect your online data and regain control of your digital identity.

Last posted 3 days ago
Posts 1,186
Followers ▼ 50
Following 53
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D̒͂̕ᵈăᵃn̕ᶰ Ť̾̾̓͐͒͠ᵗe͗̑́̋̂́͡ᵉn̅ᶰtᵗl̀̓͘ᶫe̓̒̂̚ᵉrʳ
:: Founder, Phobos Group
:: Quad Flooper :: Scoville Addict
:: Public Speaker :: food pornographer
:: Twitter Alum (2011-2012)
:: security longhair :: tattoo'ed nerd

<script>alert(1)</script>
'>"></div><blink><marquee>visit hax.lol for a good time


Last posted Less than a day ago
Posts 42,603
Followers ▼ 44
Following 663
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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 2,498
Followers ▼ 42
Following 420
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Privacy Guides
@[email protected]

Privacy Guides is a socially motivated website that provides information for protecting your data security and privacy.

We are a non-profit project with a mission to inform the public about the value of digital privacy, and about global government initiatives which aim to monitor your online activity. Our website is free of advertisements and not affiliated with any of the listed providers.

Last posted 6 days ago
Posts 337
Followers ▼ 41
Following 16
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I know a thing or two about AirPods. App developer, security researcher. 🏳️‍🌈🧩

Last posted 1 day ago
Posts 718
Followers ▼ 40
Following 260
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Very Hairy Jerry
@[email protected]

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

…and 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:

Patreon: patreon.com/infosecexchange

Ko-Fi: ko-fi.com/infosecexchange

Liberapay: liberapay.com/Infosec.exchange/

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

Last posted 1 day ago
Posts 42,206
Followers ▼ 37
Following 3,521
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DEF CON is the world's most influential hacker conference. Held every year since 1993 in Las Vegas, Nevada, DEF CON is the hub of a global community of hackers, security geeks and curious technophiles.

Last posted 2 days ago
Posts 1,869
Followers ▼ 30
Following 697
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Manuel 'HonkHase' Atug
@[email protected]

20yrs Sec , Geraffel native, c-base, AG KRITIS, CSCB, , , , OT & IT-Security, working at HiSolutions, Threema.id/X9H873XJ

Last posted 1 day ago
Posts 6,990
Followers ▼ 24
Following 583
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Catalin Cimpanu
@[email protected]

Cybersecurity reporter for Risky Business

Last posted 1 day ago
Posts 116
Followers ▼ 23
Following 408
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Hacker, CEO of SocialProof Security: security awareness/social engineering training, vids, talks, tests, 3X @Defcon🥈, Chair of the WISP board, Tech Advisory Council for @Cisagov

Last posted 5 days ago
Posts 452
Followers ▼ 21
Following 1,461