Walter Martín Villalba @act1vand0
Founder and ProdSec Consultant at @C13Security. Founder and Director at @InfoSecMap. @OWASPSB Leader & @AppSecCali organizer at @OWASP. Leader at @AppSecBA. linkedin.com/in/wmvillalba/ Santa Barbara, CA Joined December 2017-
Tweets658
-
Followers310
-
Following80
-
Likes1K
‼️ HOY, SÁBADO 27/09 ‼️ @AppSecBA + @InfoSecMap arman juntada impromptu para celebrar a colegas de #InfoSec de #Argentina y #LATAM que nos visitan esta semana en #BuenosAires para #Nerdearla 🇦🇷 Reservá tu lugar! ➡️ meetup.com/appsecba/event… #AppSec #Ciberseguridad
OWASP is teaming up with @InfoSecMap to make cybersecurity events & resources more accessible, inclusive, and global - including OWASP Chapters & Events! No marketing, pay-to-play nonsense - just human curated community & events. Explore the brand new OWASP hub now:…
🚨 GIVEAWAY ALERT 🚨 Only 2 days left to join the raffle and score a FREE ticket to @owasp Global AppSec in #WashingtonDC – worth $1,320! 🎟️ See details below! 👇🏽 #Giveaway #Raffle #AppSec #InfoSec #CyberSecurity
🚨 GIVEAWAY ALERT 🚨 Only 2 days left to join the raffle and score a FREE ticket to @owasp Global AppSec in #WashingtonDC – worth $1,320! 🎟️ See details below! 👇🏽 #Giveaway #Raffle #AppSec #InfoSec #CyberSecurity
See you tonight for some fun with @nikobehar from @owasp San Diego!
See you tonight for some fun with @nikobehar from @owasp San Diego!
🚨 GIVEAWAY ALERT 🚨 Score a FREE ticket to @owasp Global AppSec in #WashingtonDC – worth $1,320! 🎟️ To enter: ✅ Follow us ✅ ❤️ + RT this post ✅ Optional: Tag 2 friends = extra entry ⏳ Ends in 7 days – winners announced next week! #Giveaway #AppSec #CyberSecurity #OWASP
IT security in 1990s
The @owasp space at @defcon 33 put the community first - once again. 💜 Our founder @act1vand0 talked about our platform & hosted a #SecureSDLC roundtable. Mad props to @starrdlux, @thejonmccoy, @JoshCGrossman, @51nk0r5w1m, @emomartin, and all the volunteers! #DEFCON33 #AppSec
Highlighting talent in #LATAM, @lavillahacker at #DEFCON33 featured talks by @nicowaisman, @MarcoFigueroa, @FedeQuark, and more. Our founder @act1vand0 spoke about building bridges through our platform! 🌍 Explore all @defcon villages: ➡️ infosecmap.com/event/def-con-… #InfoSec #DC33
Join us next Friday, September 12 for dinner, networking, and a fun workshop by @nikobehar, cybersecurity leader, educator, and part of @owasp San Diego. ⚠️ Backdoors & Breaches ⚠️ An interactive incident response card game 🃏 ➡️ meetup.com/santa-barbara-… #SantaBarbara #InfoSec
Awesome time partnering with @lavillahacker at @defcon 33 to promote our global platform and specific initiatives in LATAM. Shoutout to @act1vand0 for the presentation and @fixxx3r + @nikobehar for the support. Explore #InfoSec in #LATAM! ➡️ infosecmap.com/latam/ #DEFCON33
We had a great time partnering with @owasp at @defcon 33 to showcase our community-first projects and initiatives. Shoutout to @act1vand0 for the presentation and @starrdlux & @thejonmccoy for the support. Looking forward to more adventures together! 🚀 #OWASP #DEFCON33
OWASP is teaming up with @InfoSecMap to make cybersecurity events & resources more accessible, inclusive, and global - including OWASP Chapters & Events! No marketing, pay-to-play nonsense - just human curated community & events. Explore the brand new OWASP hub now:…
🔥 The very first batch of InfoSecMap stickers is here, and you can grab yours next week during #HackerSummerCamp! 🔥 Catch us at @DianaInitiative, @BSidesLV, @BlackHatEvents & @defcon. Find us and grab one before they're gone! #TDI2025 #BSidesLV #BlackHat2025 #DEFCON33
🚨 NEW FEATURE ALERT 🚨 Stay updated on events & communities in #LatinAmerica with our new #LATAM hub! 🌎 Explore 👇🏽 infosecmap.com/latam/ Our partners: @HackGDL @bsidescdmx @BSides_CO @BsidesPe @lavillahacker @revers3vrything @BsidesCordoba @LatinContacto @HackElValle 💜
☠️ Our team will be participating in the @owasp Community Room at @defcon 33! ☠️ Join our founder @act1vand0 for a brief presentation + Q&A about our platform, as well as a technical #SecureSDLC roundtable. Come say hi and connect! 🤩 #DEFCON33 #DC33 #OWASP #AppSec
☠️ Our team will be participating in the @owasp Community Room at @defcon 33! ☠️ Join our founder @act1vand0 for a brief presentation + Q&A about our platform, as well as a technical #SecureSDLC roundtable. Come say hi and connect! 🤩 #DEFCON33 #DC33 #OWASP #AppSec
Join us online next Thu, Jul 10 for a Secure Coding Workshop & CTF, brought to you by @OWASPSB and @SecurityJourney! A great opportunity to learn 🤓, have fun 😆, and win a prize 🏆 -- $250 in Amazon gift cards for the top 3 participants! ➡️ meetup.com/santa-barbara-… #CTF #OWASP
OWASP is teaming up with @InfoSecMap to make cybersecurity events & resources more accessible, inclusive, and global - including OWASP Chapters & Events! No marketing, pay-to-play nonsense - just human curated community & events. Explore the brand new OWASP hub now:…
💻 #CTF = learn 🤓 + have fun 😆 + win prizes 🏆 Upcoming free CTFs by @r3kapig, @gmo_ierae, @DownUnderCTF, @sigpwny, @malta_ctf, @l3akctf, @PacificHackers, @CODEGATE_KR, @pwnlentoni, and many others. Explore the full list! ➡️ infosecmap.com/explore/?type=… #InfoSec #CyberSecurity
🔥 30+ upcoming #InfoSec events in #LATAM 🔥 Hosted by @revers3vrything, @comunidaddojo, @Gartner_inc, @DragonJAR, @sysarmy, @ekoparty, @8dot8, @MindTheSec, @bsidescdmx, @nullbytecon, @MBPinfo, @udepalermo, and others. Explore the map! 🌎 infosecmap.com/explore-map/?t… #CyberSecurity
🔥 30+ upcoming #InfoSec events in #LATAM 🔥 Hosted by @revers3vrything, @comunidaddojo, @Gartner_inc, @DragonJAR, @sysarmy, @ekoparty, @8dot8, @MindTheSec, @bsidescdmx, @nullbytecon, @MBPinfo, @udepalermo, and others. Explore the map! 🌎 infosecmap.com/explore-map/?t… #CyberSecurity
Excited to announce our official partnership with @owasp and launch their new custom org page! 🚀 ✅ Chapters ✅ Events ✅ Community All in one hub → infosecmap.com/owasp/ Watch the video to see it in action. 🤩 Want a custom page for your org? DM us! #AppSec #InfoSec
JS0N Haddix @Jhaddix
167K Followers 7K Following CEO, CISO, Trainer, Hacker, and Speaker. Cybersecurity + Hacking + AI + Sec Leadership @arcanuminfosec
Clint Gibler @clintgibler
22K Followers 563 Following 🗡️ Head of Security Research @semgrep 📚 Creator of https://t.co/xwtIAI0CuJ newsletter
Katie Paxton-Fear @InsiderPhD
93K Followers 2K Following Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her
Francesco Cipollone�... @FrankSEC42
6K Followers 2K Following Appsec and cloudsec crazy, CEO & founder and @sec_phoenix and @nsc42ltd board of @csaukchapter London host of @podcast_cyber
ᴅᴀɴɪᴇʟ ᴍɪ... @DanielMiessler
148K Followers 972 Following Building AI that ᴜᴘɢʀᴀᴅᴇs humans. sᴇᴄᴜʀɪᴛʏ | ᴀɪ | ʜᴜᴍᴀɴs ʜᴜᴍᴀɴ 𝟤.𝟢 🟩🟩⬛️⬛️⬛️⬛️ ʜᴜᴍᴀɴ 𝟥.𝟢
Phillip Wylie @PhillipWylie
52K Followers 20K Following xIoT Security Evangelist @phosphorusinc | Offensive Security Expert | Phillip Wylie Show Podcast Host @thehackermaker | @pentesterblue coauthor
OWASP® Foundation @owasp
213K Followers 532 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
Zoe Braiterman @zbraiterman
5K Followers 3K Following Web3 Co-Founder @web3enabler @SkyProtocolOrg @MutualKnowledge / @owasp @infosecgirls @GlobalWIC Advisor @snyksec Ambassador
Vandana Verma @InfosecVandana
13K Followers 2K Following President @Infosecdiversty @infoseckids, Chair @owasp, RB @Blackhatevents ASIA @devseccon, #DevRel 🥑@snyksec Tweets are my own
Andrew van der Stock @vanderaj
8K Followers 6K Following Please come see me on Linked In. DMs not monitored.
Leif Dreizler @leifdreizler
2K Followers 2K Following Eng Manager at @semgrep 💻 co-host of @404pod 🎙
NexusFire👹 @NexusFireX
99 Followers 806 Following .°. Community | AI | Open Science | Interdisciplinary Curricula .°.
Chris Hanlon @ChrisHanlonCA
17K Followers 18K Following Security Engineer Google Security Hall of Fame Presenter & Workshop host at #BSidesLV and #DEFCON
Perly 🦈 @_Shark_byte
663 Followers 991 Following professional side quester | cybersecurity, startups & design | Host of @builtonwhy | Investing @alya_capital ✡️
Cl0uddStrife 🛰️�... @Cl0uddStrife
768 Followers 1K Following A jack of all trades is a master of none, but oftentimes better than a master of one. ✌🏽🛰️🚀
JD Saladfinger @JDSaladfinger
144 Followers 1K Following _ 🧢 _ 👁👅👁 formerly @DRomATx Still THE semi-pro troll Just some help desk dood 🛠️ https://t.co/zfyF4CVSYD
Hope @Hope319396
38 Followers 824 Following
john doesh @doesh_john65688
5 Followers 363 Following
5yndere114 @5yndere114
69 Followers 157 Following Chemist who has found real passion in #InfoSec MS CEH Pentest+ CySA+. Tweets are my own.
Carlos Ch @carlosch2236
525 Followers 743 Following You can tell a lot about a person by what’s on their playlist 🎶| All my tweets represent my Own. | iG: carlosch2236 | T.O for the Peruvian FGC
Peter Schawacker @PeterSchawacker
1K Followers 7K Following Cyber Business Innovator & Strategist | CISO | AI | GRC & SOC | DFIR/TTX | SecOps | Drive Margin | Nearshoring | LATAM-USA | Emerging Markets | GTM Advisor
Dave W @DaveCIT
143 Followers 671 Following Mixing IT, commercial beer brewing and Heavy Metal drumming! 👨🏻💻🍺🥁🏴
Eduardo Snape @EduardoSnape
351 Followers 906 Following Fundador de @comunidaddojo, creamos espacios para aprender seguridad de la información | Interesado en Legal Tech.
Alexandra @Lex_InfoSecMap
2 Followers 5 Following
Lautarot @Lauu_Martinez4
419 Followers 287 Following
Nic Fillingham 🇦�... @nicfill
2K Followers 2K Following @msftSecResponse + @msftBlueHat + Podcast co-host. Not an expert; good at asking questions. Dad of a #T1D How can I help?
Meruem @Meruem49839142
177 Followers 8K Following
Morris Mbogo @m0ridjo
2K Followers 7K Following Kali Linux enthusiast - Pentester - CyberSecurity Professional
SriLakshmi @L0xm1_07
275 Followers 729 Following Security @_groww || Web Security Researcher || CTF's with @teambi0s and @teamshakti06
A S M Shamim Reza @shamimrezasohag
210 Followers 851 Following Founder & Chief of Research at TheTeamPhoenix
AppSec Village @AppSec_Village
11K Followers 6K Following AppSec Village @DEFCON & @RSAConference A volunteer-run, non-profit focused on education, awareness, and community. Founded by @erezyalon and @tzionit411.
KMG6691 @kmg66918030
10 Followers 2K Following
TrongChuong Dao @DaoTrongChuong
235 Followers 3K Following
Cybelle @CharmingMichi
2K Followers 1K Following she/her (hack)activist & Gossip Girl of Malwareland | @lavillahacker organizer | mastidin: @[email protected]
starr 🍑 ATL 🫶 @starrdlux
2K Followers 5K Following For me giving up is way harder than trying * CISSP * xR * hacker * pew pew gaming * *open source * memes * 🚫 cunts * views expressed here are my own @xrvillage
Herminia Chabagno @hchabagn
76 Followers 537 Following
The Infamous Nahuel A... @nahuelavalos86
58 Followers 450 Following IT Cloud Security Architect with 15+ years of experience in Oracle ERP JDE, DBA, Azure/AWS DevSecOps
Neeraj sharma @neerajs101twt
34 Followers 344 Following Passionate about cybersecutry. Software developer
Pedr0k @PedroKetzer
460 Followers 665 Following Deixei de fazer triagem e agora faço produtos financeiros mais seguros. Também tenho um teclado estranho. Criador do roadmap-appsecbr
0x0z0M @mozo_1995
30 Followers 210 Following Winter is coming por eso me quedo en casa viendo series✌️
CryptoSecEd @CryptoSecEd
10 Followers 117 Following I have taught and conducted research into security for several years and am now looking to explore new challenges in industry.
Sam @samwisethelanky
228 Followers 1K Following - Constantly learning all things security with a focus on hardware - Big motorsport fan - MotoGP/WorldSBK ftw! - Opinions/tweets reflect my views only.
Datsuraku @MDatsuraku
209 Followers 2K Following 20ph gnnlknntapiiaiahwanhbaiaponittgylsmaannayphnhamkayogygtnaiauknalgaggakahpaignaaankbaaaypwo nmitnpiaatniganapauolalmangaypaaioyngsatagrngnkgphpakmaankii
Upmanyu Jha @hackergod00001
340 Followers 525 Following Machine Learning Engineer | Cybersecurity Researcher | part-time Bug Hunter | he/him | blogger | video content creator
Security Ticks @SecTicks
981 Followers 6K Following Cybersecurity and other IT News aggregator Visit our website to get the latest industry headlines
Brandon Lachterman @darkshieldcs
416 Followers 917 Following IT and Cybersecurity enthusiast, advocate for mental health in the tech industry, and love for all things hack.
xm007 @XMreadpaper
161 Followers 5K Following
Subhajit Saha @subhajitsaha0x
603 Followers 3K Following Hacker | Security Engineer | Threat Intel & Appsec in Fintechs | Startup Security
Michael Wardrop @MichaelWardrop
434 Followers 3K Following Passionate about the intersection of Trust, Safety, Privacy, Security, and Technology.
Layer 8 Masters @Layer8Masters
126 Followers 174 Following Bringing security knowledge to cybersecurity professionals
Clint Gibler @clintgibler
22K Followers 563 Following 🗡️ Head of Security Research @semgrep 📚 Creator of https://t.co/xwtIAI0CuJ newsletter
ᴅᴀɴɪᴇʟ ᴍɪ... @DanielMiessler
148K Followers 972 Following Building AI that ᴜᴘɢʀᴀᴅᴇs humans. sᴇᴄᴜʀɪᴛʏ | ᴀɪ | ʜᴜᴍᴀɴs ʜᴜᴍᴀɴ 𝟤.𝟢 🟩🟩⬛️⬛️⬛️⬛️ ʜᴜᴍᴀɴ 𝟥.𝟢
OWASP® Foundation @owasp
213K Followers 532 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
Jeff Moss @thedarktangent
106K Followers 7 Following https://t.co/fgXNGNt7gm Abandoned this site in 2022 but hopeful for the future of social media. Consider migrating to DEFCON.socal
lavillahacker @lavillahacker
302 Followers 11 Following
ile Barrionuevo @accio_bugs
1K Followers 2K Following Catholic | Security researcher | Bug hunter | Bookworm | Gymnast | @fernetInjection CTF team
starr 🍑 ATL 🫶 @starrdlux
2K Followers 5K Following For me giving up is way harder than trying * CISSP * xR * hacker * pew pew gaming * *open source * memes * 🚫 cunts * views expressed here are my own @xrvillage
Bug Bounty Argentina @BugBountyArg
5K Followers 1K Following Comunidad Argentina de Bounty Hunters. Si queres sumarte a la comunidad pedinos el link de Telegram por DM!
Joseph Cox @josephfcox
93K Followers 3K Following Hacking/crime/privacy journalist. Author of DARK WIRE. Co-founder of @404mediaco. Signal: joseph.404 Email: [email protected]
Today In Infosec @todayininfosec
41K Followers 1 Following Tweeting news from the world of information security that occurred or was announced on today's date in a previous year. Managed by @stevewerby.
Layer 8 Masters @Layer8Masters
126 Followers 174 Following Bringing security knowledge to cybersecurity professionals
FlashpartyOK @FlashpartyOk
591 Followers 239 Following Cuenta oficial de la demoparty de Buenos Aires. Demos / intros / pixel art / text art / chiptune! Demoparty usually held in Buenos Aires.
luk777 @luktriple7
769 Followers 870 Following Branding & Illustration on web3 – NFTs on eth / tezos / sol
OWASP Santa Barbara @OWASPSB
18 Followers 7 Following Santa Barbara chapter of the @OWASP Foundation. Currently led by @act1vand0 / Albert Chae, and always looking for volunteers.
AppSecBA @AppSecBA
29 Followers 8 Following Application Security Buenos Aires. Liderado por @act1vand0 y en busca de voluntarios.
Ariel Jolo @ajolo
4K Followers 2K Following No sé de nada pero entiendo de todo. // BDFL @sysarmy, @nerdearla, #AdminFest
InfoSecMap @InfoSecMap
944 Followers 14 Following Mapping out the best InfoSec events and groups! Sponsored by @C13Security.
C13 Security @C13Security
82 Followers 8 Following Consulting, engineering, and training services focused on Application & Product Security. Proudly sponsoring @InfoSecMap.
Tom Morello @tmorello
895K Followers 127 Following Feed the poor. Fight the power. Rock the f*ck out. Tickets Here ⬇️ https://t.co/zMc2Ab3k7O
DuckDuckGo @DuckDuckGo
2.7M Followers 4 Following Independent online protection company. Get our mobile & desktop browser with protections built-in, including our search engine that doesn't track you.
WoSEC - Women of Secu... @WoSECtweets
11K Followers 3K Following WoSEC is a safe space for women to network, form a community, learn, and have fun!
Harry Mack @harrymack
74K Followers 93 Following General Inquiries: [email protected] Bookings: [email protected]
Eva @evacide
172K Followers 1K Following Director of Cybersecurity @EFF / Co-founder of @stopstalkerware/ My tweets are my own, not my employers’ / I did a TED talk once /
Anonymous @YourAnonNews
7.7M Followers 878 Following We are Anonymous, we are legion, we do not forgive, we do not forget. Expect us. Here to counter propaganda and un-fuck your mind!
Córdoba Hacker Space @cbahackerspace
1K Followers 92 Following Primer HackerSpace en Córdoba, Argentina. Talleres, charlas, proyectos abiertos, CTFs, hacks y mucho más.
Alex Stamos @alexstamos
90K Followers 2K Following You can find me at: https://t.co/Enct5hx8bS https://t.co/CuE5u72rhW
Signal @signalapp
595K Followers 23 Following Signal is an end-to-end encrypted messaging app. Privacy isn’t an optional mode, it’s just the way that Signal works. Every message, every call, every time.
Mike Wylie @TheMikeWylie
1K Followers 133 Following InfoSec consultant / speaker. Creds: MBA, CISSP, GCFE, GMON, GPEN, CEH, CEI, VPC, CHPA, CCNA CyberOps / R&S, Azure. Tweets are my own. https://t.co/qk74TmECJy
Christina Camilleri @0xkitty
6K Followers 912 Following
EFF @EFF
471K Followers 1K Following We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find EFF's social accounts at https://t.co/dIWsCr4uCF.
RLab @_rlab
3K Followers 863 Following Grupo de trabajo hack-artivista de construcción horizontal militando la soberanía tecnológica, codeando tecnología política anticapitalista inclusiva.
𝗟 𝗨 𝗖 𝗔 �... @pibesdesistemas
74K Followers 924 Following 𝕀ngeniero • ℕerd • ℂurioso • 𝙸 💚 𝙾𝚙𝚎𝚗 𝚂𝚘𝚞𝚛𝚌𝚎 • 🖬 🖳 █▓▒░⡷• ʟᴏꜱ ᴘɪʙᴇꜱ ᴅᴇ ꜱɪꜱᴛᴇᴍᴀꜱ •⢾░▒▓█
Sysarmy @sysarmy
28K Followers 2K Following El soporte de quienes dan soporte. // IT Community. Support for those who give support.
#nerdearla @nerdearla
29K Followers 1K Following Evento de tecnología y open source, 100% gratuito desde 2014 | 100% free STEAM conference 🤓 | 🇦🇷🇨🇱🇪🇸🇲🇽 | 🇪🇸 Nov 13 - 15 | 🇨🇱 Apr 16 - 18, 2026
AppSec Village @AppSec_Village
11K Followers 6K Following AppSec Village @DEFCON & @RSAConference A volunteer-run, non-profit focused on education, awareness, and community. Founded by @erezyalon and @tzionit411.
Avinash Jain @logicbomb_1
9K Followers 385 Following Security Head | Ex-Security @Microsoft | Built Security in Startups | Speaker | Breaking stuff to learn | Covered in Forbes,BBC | Ack by Google,Yahoo,UN
Ryan McGeehan @Magoo
6K Followers 716 Following Writes "Starting Up Security" @ https://t.co/Rv0MaSThQ1, tweets horror stories @badthingsdaily
Security Jam @securityjam
1K Followers 318 Following Mini reunion amistosa de seguridad, charlas cortas pero al pie, mucho research y gente pensando
Apache @apachelasminas
164K Followers 5K Following Rapero-cantautor venezolano, proveniente de Las Minas City. Caracas-Venezuela. Contrataciones ++573126539426 [email protected]
OWASP OC @OWASPOC
450 Followers 197 Following
Martin Tartarelli @tartamar
1K Followers 896 Following Futbol, Security Research, Entrepreneur, also CEO @faradaysec | OWASP Argentina Chapter Leader @owasp_arg
OWASP UY @owasp_uy
488 Followers 211 Following Cuenta del capítulo Uruguay de OWASP Eventos: https://t.co/7qygNcIKgL Grabaciones: https://t.co/OxGxL6Kfhf
OWASP LATAM @owasplatam
2K Followers 406 Following OWASPLATAM es la comunidad de todos Capítulos de @OWASP en Latinoamérica, con el objetivo de llevar la filosofía de #OWASP a todos los sectores de la sociedad
OWASP Patagonia @OWASP_Patagonia
916 Followers 727 Following
SOULS OF MISCHIEF @SOMHIERO
16K Followers 667 Following MISCHIEVIOUS COMMANDOS!!! @hieroaplus, @opiohierosom, @phestohierosoul, @rapnoir Mgmt: [email protected] Agent: [email protected]Trends for United States
You might like
