Luca De Fulgentis @_daath

Co-Founder & Managing Partner at @_adversetheory | Offensive security adept since 2001 | Still waiting for the next Led Zeppelin reunion. Worldwide Joined December 2009

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Luca De Fulgentis @_daath

10 months ago

@albinowax (Already) winner of Top 10 Web Hacking Techniques for 2025 👏

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Luca De Fulgentis @_daath

11 months ago

RIP @OzzyOsbourne 🤘

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Luca Carettoni @lucacarettoni

4K Followers 793 Following Application Security @Doyensec | Build with Security

t_g°͌͌͌͌͌͌͌͌... @N_0_1_

78 Followers 3K Following Sicut incitati eqi fugit irreparabile tempus.

Jurre van Bergen @DrWhax

5K Followers 2K Following I research surveillance and spyware systems. Secure contact: https://t.co/dR3wVwG083 - find me on other platforms.

Geoffroy Pellevoizin @GeoffroyPvZ

111 Followers 734 Following Formerly at @Intel_Online_Fr

Paolo Stagno (VoidSec... @Void_Sec

5K Followers 2K Following Director of Research @Crowdfense. Windows Vulnerability Researcher and Exploit Developer, ex-@XI_Research

Rocco Calvi @TecR0c

3K Followers 1K Following Security Researcher and technical advisor @dfsec_com

Android researcher & Director @prdgmshift. prev: LIST_POISON2 (dead000000000200), list_del corruption. Founder @truel_it

Andrea Palazzo @cogitoergor00t

865 Followers 504 Following Android researcher & Director @prdgmshift. prev: LIST_POISON2 (dead000000000200), list_del corruption. Founder @truel_it

Crowdfense is the world-leading research hub and acquisition platform for zero-day exploits and vulnerability research. We offer the highest bounties

Crowdfense @crowdfense

3K Followers 1K Following Crowdfense is the world-leading research hub and acquisition platform for zero-day exploits and vulnerability research. We offer the highest bounties

Matteo Meucci @matteo_meucci

737 Followers 259 Following CEO@Synapsed, OWASP Italy Co-Chair - OWASP AI Maturity Assessment lead - OWASP AI Testing Guide creator

Anticipating #CyberSecurity issues and finding solutions since when #Cyber wasn't cool.

President at Hackmanac

(tweets are my own)

Andrea Zapparoli Manz... @Saiber_Man

960 Followers 219 Following Anticipating #CyberSecurity issues and finding solutions since when #Cyber wasn't cool. President at Hackmanac (tweets are my own)

Leone @lpontorieri

347 Followers 200 Following CEO @prdgmshift. Passionate about infosec. Not much of a social media guy. Founder of @truel_it

smaury 4.8 @smaury92

4K Followers 2K Following Co-Founder @ShielderSec | Cliff Jumping Lover (23mt max so far) | ♫ I knew all the rules but the rules did not know me. ♫

francescofaenzi @francescofaenzi

689 Followers 842 Following Check https://t.co/UM6UHsLI3w

beist @beist

7K Followers 280 Following Retired security engineer but still hacking when free+beer

Cesar Cerrudo @cesarcer

15K Followers 2K Following Professional Hacker & Cyber Security Futurist. Security/ Hacking

I help people and companies articulate and pursue their Ideal State.

- PAI: https://t.co/16YCTsCgOu
- Human 3.0: https://t.co/PpczU49ANh
- Surface: https://t.co/mDwZirfm0A

ᴅᴀɴɪᴇʟ ᴍɪ... @DanielMiessler

158K Followers 1K Following I help people and companies articulate and pursue their Ideal State. - PAI: https://t.co/16YCTsCgOu - Human 3.0: https://t.co/PpczU49ANh - Surface: https://t.co/mDwZirfm0A

☼ Jennifer Sunshine @SecureSun

6K Followers 3K Following Living and loving the pirate life at IOActive - a global security research and services firm

Andrea Barisani @AndreaBarisani

7K Followers 1K Following hacker | tamagopher | https://t.co/3S3EARrfoc

That HITB guy (@hackinthebox @HITBSecConf) and now OOTB guy (@OOTBconf), Music Producer @dhankasounds, & VP of Global Strategy and Growth @verichains

l33tdawg @l33tdawg

7K Followers 2K Following That HITB guy (@hackinthebox @HITBSecConf) and now OOTB guy (@OOTBconf), Music Producer @dhankasounds, & VP of Global Strategy and Growth @verichains

The official Twitter stream for the HITBSecConf conference series held annually in Europe (Amsterdam), Asia (Bangkok), & The Middle East (Abu Dhabi)

HITBSecConf @HITBSecConf

16K Followers 4K Following The official Twitter stream for the HITBSecConf conference series held annually in Europe (Amsterdam), Asia (Bangkok), & The Middle East (Abu Dhabi)

A grumpy old master craftsman, who sleeps with a paper roll printout of some issue trackers and determined to keep the world's code decent.

Alessandro Tanasi @jekil

2K Followers 634 Following A grumpy old master craftsman, who sleeps with a paper roll printout of some issue trackers and determined to keep the world's code decent.

Cristiano Maruti @cmaruti

203 Followers 101 Following Content of the tweet is insecure by default and provided as is without any warranty

Matias Eissler @tutterr

237 Followers 188 Following @[email protected]

Guido @k_sOSe

922 Followers 2K Following Look behind you, a Three-Headed Monkey!

Gianluca Varisco @gvarisco

4K Followers 4K Following Formerly @Google, @arduino, @ITdigitalteam, @RocketBerlin, @RedHat. Tweets are my own.

Chief Technology Officer at @_opposingforce. Conference speaker & trainer. Messing around with networks and protocols. Often flying around the globe.

bughardy @_bughardy_

630 Followers 518 Following Chief Technology Officer at @_opposingforce. Conference speaker & trainer. Messing around with networks and protocols. Often flying around the globe.

Cybersecurity Leader | 20 Years in Offensive and Defensive Cybersecurity, Scaling Operations, and Strategic Leadership

Bernardo @bdamele

2K Followers 904 Following Cybersecurity Leader | 20 Years in Offensive and Defensive Cybersecurity, Scaling Operations, and Strategic Leadership

wine and food, security and martial artist.
in another way, from another point of view.
opinions my pwn.
guly@infosec.exchange
theguly@bsky

guly @theguly

364 Followers 732 Following wine and food, security and martial artist. in another way, from another point of view. opinions my pwn. [email protected] theguly@bsky

Francesco Manzoni @corifeo

99 Followers 187 Following Security guy, hardcore gamer, weekend coder and tinkerer, part-time mad scientist

Michele Spagnuolo (mi... @mikispag

7K Followers 1K Following 💼: Staff Information Security Engineer at Google. 🛠️: Agent & Web Observability. 💛: web security, ⟠, ₿, finance. Data is the most dangerous form of opinion.

Emilio 🇪🇺 @norbemi

965 Followers 1K Following SecureFlag | GTFOBins | Weevely | Former Red Teamer @[email protected]

Gabriele Zanoni @infoshaker

266 Followers 914 Following I'll help you in maintaining a balanced distribution of hacking, funny pictures and paranoia.

CTO @ Kakashi Venture Accelerator • AI & Platform Engineer • Background in Offensive Security
Building https://t.co/uReKRww66C

Alberto Trivero @ameftt

87 Followers 278 Following CTO @ Kakashi Venture Accelerator • AI & Platform Engineer • Background in Offensive Security Building https://t.co/uReKRww66C

Security Robot Overlord @ Google.
Vulnerability Management

@paradoxengine.criscio.net
@paradoxengine@infosec.exchange

Claudio Criscione @paradoxengine

3K Followers 378 Following Security Robot Overlord @ Google. Vulnerability Management @paradoxengine.criscio.net @[email protected]

Luca Carettoni @lucacarettoni

4K Followers 793 Following Application Security @Doyensec | Build with Security

International Cyber D... @IntCyberDigest

174K Followers 289 Following Your weekly go-to cybersecurity newsletter, curated and commented on by our senior analysts.

Guido @k_sOSe

922 Followers 2K Following Look behind you, a Three-Headed Monkey!

Aditi Singh @aditi_singghh

14K Followers 764 Following Bug Bounty Hunter | Cyber security Researcher

James Kettle @albinowax

84K Followers 102 Following Director of Research at @PortSwigger aka @Burp_Suite. Find my research, tools & contact details at https://t.co/vP6UbGmvl3

Cristiano Maruti @cmaruti

203 Followers 101 Following Content of the tweet is insecure by default and provided as is without any warranty

l33tdawg @l33tdawg

7K Followers 2K Following That HITB guy (@hackinthebox @HITBSecConf) and now OOTB guy (@OOTBconf), Music Producer @dhankasounds, & VP of Global Strategy and Growth @verichains

☼ Jennifer Sunshine @SecureSun

6K Followers 3K Following Living and loving the pirate life at IOActive - a global security research and services firm

ᴅᴀɴɪᴇʟ ᴍɪ... @DanielMiessler

158K Followers 1K Following I help people and companies articulate and pursue their Ideal State. - PAI: https://t.co/16YCTsCgOu - Human 3.0: https://t.co/PpczU49ANh - Surface: https://t.co/mDwZirfm0A

francescofaenzi @francescofaenzi

689 Followers 842 Following Check https://t.co/UM6UHsLI3w

Matteo Meucci @matteo_meucci

737 Followers 259 Following CEO@Synapsed, OWASP Italy Co-Chair - OWASP AI Maturity Assessment lead - OWASP AI Testing Guide creator

PortSwigger Research @PortSwiggerRes

121K Followers 7 Following Web security research from the team at @PortSwigger

ProjectDiscovery @pdiscoveryio

42K Followers 144 Following Real, exploitable vulnerabilities. No noise. Nuclei scans fast. Neo closes the loop. @pdnuclei × @neo_ai_engineer

Nuclei uses a vast templating library to scan applications, cloud infrastructure, and networks to find and remediate vulnerabilities.

Nuclei by ProjectDisc... @pdnuclei

38K Followers 183 Following Nuclei uses a vast templating library to scan applications, cloud infrastructure, and networks to find and remediate vulnerabilities.

Rocco Calvi @TecR0c

3K Followers 1K Following Security Researcher and technical advisor @dfsec_com

We track verified, real-world cyber attacks to help you develop effective Cybersecurity strategies. Try https://t.co/eB7qgxKFAa, your Strategic Threat Intelligence platform

126K Followers 371 Following We track verified, real-world cyber attacks to help you develop effective Cybersecurity strategies. Try https://t.co/eB7qgxKFAa, your Strategic Threat Intelligence platform

Paradigm Shift @prdgmshift

947 Followers 0 Following Premium European cybersecurity research provider, powered by a world-class team with a decade-long track record.

Industry leading provider of exclusive zero-day vulnerability intelligence, exploits, defensive guidance, and vulnerability research trends.

Exodus Intelligence @XI_Research

12K Followers 46 Following Industry leading provider of exclusive zero-day vulnerability intelligence, exploits, defensive guidance, and vulnerability research trends.

HITBSecConf @HITBSecConf

16K Followers 4K Following The official Twitter stream for the HITBSecConf conference series held annually in Europe (Amsterdam), Asia (Bangkok), & The Middle East (Abu Dhabi)

SpaceX @SpaceX

41.9M Followers 123 Following SpaceX designs, manufactures and launches the world’s most advanced rockets and spacecraft

Lior Alexander @LiorOnAI

116K Followers 2K Following Founder @AlphaSignalAI → the Intelligence layer of AI (300k users) • MIT Lecturer • ex-MILA researcher • In ML since GANs

Simplifying LLMs, AI Agents, RAG, and Machine Learning for you! • Co-founder @dailydoseofds_• BITS Pilani • 3 Patents • ex-AI Engineer @ LightningAI

Akshay 🚀 @akshay_pachaar

277K Followers 490 Following Simplifying LLMs, AI Agents, RAG, and Machine Learning for you! • Co-founder @dailydoseofds_• BITS Pilani • 3 Patents • ex-AI Engineer @ LightningAI

Ferdous Saljooki @malwarezoo

992 Followers 388 Following staff macOS security researcher @jamfsoftware views are my own

Andrea Palazzo @cogitoergor00t

865 Followers 504 Following Android researcher & Director @prdgmshift. prev: LIST_POISON2 (dead000000000200), list_del corruption. Founder @truel_it

CyBeRsEcUrItY | Not afraid to put down with some THICC malware on disk | AI Research @PaloAltoNtwks | former purple team | Ex @spacex

Marcello @byt3bl33d3r

30K Followers 819 Following CyBeRsEcUrItY | Not afraid to put down with some THICC malware on disk | AI Research @PaloAltoNtwks | former purple team | Ex @spacex

antisnatchor @antisnatchor

12K Followers 442 Following phishing connoisseur 🎣

Leone @lpontorieri

347 Followers 200 Following CEO @prdgmshift. Passionate about infosec. Not much of a social media guy. Founder of @truel_it

We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10

OWASP® Foundation @owasp

216K Followers 525 Following We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10

Andrea Zapparoli Manz... @Saiber_Man

960 Followers 219 Following Anticipating #CyberSecurity issues and finding solutions since when #Cyber wasn't cool. President at Hackmanac (tweets are my own)

SecureFlag | GTFOBins | Weevely | Former Red Teamer

@epinna@infosec.exchange

Emilio 🇪🇺 @norbemi

965 Followers 1K Following SecureFlag | GTFOBins | Weevely | Former Red Teamer @[email protected]

Hack In The Box @hackinthebox

16K Followers 7 Following Keeping Knowledge Free

Stalwart defender of Oxford commas, two spaces after a period, and ellipses. When they ask how I died, tell them... still happy.
(he/they)

Deviant Ollam ツ @deviantollam

45K Followers 983 Following Stalwart defender of Oxford commas, two spaces after a period, and ellipses. When they ask how I died, tell them... still happy. (he/they)

Cesar Cerrudo @cesarcer

15K Followers 2K Following Professional Hacker & Cyber Security Futurist. Security/ Hacking

MalDev Academy @MalDevAcademy

20K Followers 8 Following Providing specialized, module-based security training and resources designed for cyber security professionals

Shielder @ShielderSec

2K Followers 2 Following InfoSec boutique. Owning things since 2014. We love to go for the extra mile, where we usually find the best 🦟🐞🪲🪳🐛🐜🕷 the others miss.

TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.

TrendAI Zero Day Init... @thezdi

89K Followers 16 Following TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.

SpecterOps @SpecterOps

41K Followers 402 Following Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management

A leading provider of #offensivesecurity solutions & contributor to the #infosec community. #pentesting #hacking

VC @forgepointcap @carrickcapital @WestCap8

Bishop Fox @bishopfox

26K Followers 4K Following A leading provider of #offensivesecurity solutions & contributor to the #infosec community. #pentesting #hacking VC @forgepointcap @carrickcapital @WestCap8

Trickest @trick3st

11K Followers 17 Following Visualize, operate & scale everything offensive security in one-platform.

OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: https://t.co/dJGr6LgzPA

OpenAI @OpenAI

4.9M Followers 4 Following OpenAI’s mission is to ensure that artificial general intelligence benefits all of humanity. We’re hiring: https://t.co/dJGr6LgzPA

guly @theguly

364 Followers 732 Following wine and food, security and martial artist. in another way, from another point of view. opinions my pwn. [email protected] theguly@bsky

Omar 'Amro' El Hamdan... @Amro280

95 Followers 213 Following Co-CEO & Co-Founder @ShielderSec and Sicuranext // Managing Director in others limited company.

Crowdfense @crowdfense

3K Followers 1K Following Crowdfense is the world-leading research hub and acquisition platform for zero-day exploits and vulnerability research. We offer the highest bounties

WarCon @WarConPL

2K Followers 2 Following IT Security Conference in Warsaw | 29-30 May 2026

💼: Staff Information Security Engineer at Google. 🛠️: Agent & Web Observability. 💛: web security, ⟠, ₿, finance. Data is the most dangerous form of opinion.

Michele Spagnuolo (mi... @mikispag

7K Followers 1K Following 💼: Staff Information Security Engineer at Google. 🛠️: Agent & Web Observability. 💛: web security, ⟠, ₿, finance. Data is the most dangerous form of opinion.

smaury 4.8 @smaury92

4K Followers 2K Following Co-Founder @ShielderSec | Cliff Jumping Lover (23mt max so far) | ♫ I knew all the rules but the rules did not know me. ♫

Music, cybersecurity, open source and AI • Author of bettercap, pwnagotchi, opensnitch, bleah, legba and a few other things.

Chief Architect @ 🥷

Simone Margaritelli @evilsocket

48K Followers 2K Following Music, cybersecurity, open source and AI • Author of bettercap, pwnagotchi, opensnitch, bleah, legba and a few other things. Chief Architect @ 🥷

OffensiveCon Berlin is a technical international security conference focused on offensive security only. Organised by @Binary_Gecko. Stay tuned #OffensiveCon26.

offensivecon @offensive_con

28K Followers 1 Following OffensiveCon Berlin is a technical international security conference focused on offensive security only. Organised by @Binary_Gecko. Stay tuned #OffensiveCon26.

Doyensec works at the intersection of software development and offensive engineering. We discover vulnerabilities others cannot, and help mitigate the risk.

Doyensec @Doyensec

4K Followers 9 Following Doyensec works at the intersection of software development and offensive engineering. We discover vulnerabilities others cannot, and help mitigate the risk.