Sean Holshu @infull_effect
Information Security Professional. Father. Husband. Cook. Enjoy great music and the occasional beer. Joined October 2009-
Tweets795
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Following268
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Likes5K
If you work with the Cybersecurity Framework (CSF) and NIST controls, I can’t recommend this site enough. So useful. csf.tools
Was in a meeting about Cisco firewalls and heard about LINA (Linux In ASA). I thought this was an architecture designed by @d0rkph0enix 😀
Linux Structure in details , this tweet for saving in your bookmarks , because someday you will need it ;) #infosecurity #CyberSecurity #CyberAttack #Hacking #hackers #Linux #Website
Reminder to always assess libraries, 3rd parties & cloud architectures when you use them in *any part* of your infosec teams, be it your report writing, inventory mgmt, file storage, or voice notes We are seeing attackers targeting these proxy targets at a higher rate than ever
Enterprise PC management software vendors selling agents to monitor for what's slowing down computers
“fast-paced environment” Everyone knows this means one or more of: We don’t have enough people to do all the work which then contributes to crunches and constant reprioritizing. We have high turnover as a result. We lack strategy.
One of the greatest cartoons ever. Also, I may have just bought the original Firehouse playset yesterday at PowerCon!
One of the greatest cartoons ever. Also, I may have just bought the original Firehouse playset yesterday at PowerCon!
Gary Larson has a comic about it, and I can't find the original writer of the story but it's sorta become mythos among A/V, much like the Magic/More Magic switch is among tech guys.

NellyMarjory @eb386xBib7f4Z3
0 Followers 18 Following
EllaEcho @Irneerar336253
29 Followers 2K Following Be your own sun, no need to borrow anyone's light.
Eknath Iyer @eknath
277 Followers 3K Following Security @stripe. personal opinions only. Activity here doesn't reflect opinion of my employer.
Zack Ganot @zackganot
380 Followers 2K Following Co-founder & Strategy @ Atlas Privacy | Product Owner @ https://t.co/dWInjkImZG
Prashant Kumar @haywire_d
856 Followers 5K Following I help companies solve their toughest business problems using Tech | CEO @Nativebyte | I talk about #tech #entrepreneurship #AI #startups
Jon Gorenflo 🇺🇦... @flakpaket
3K Followers 1K Following Family Man, Army Vet, Consultant, Founder @StartATTACKD, @SANSInstitute Principal Instructor, @hthackers Director.
Accidental CISO @AccidentalCISO
57K Followers 2K Following I accidentally became the CISO. I didn't want this job, but the job chose me. I'm scared, and I want to go home.
Chainkit cyber integr... @chainkit
255 Followers 420 Following Automate and attest to the integrity of any data, of any type, in motion and at rest—in real-time | Ransomware, APT Detection | Forensics | Compliance
Jeff Jackson @JeffJackson629
2 Followers 81 Following Father, husband, teacher, christian living in the Arctic and enjoying life's adventures.
Elizabeth @Elizabethboyesy
784 Followers 2K Following Marketing Ops Lead @OrangeCyberUK | NYSE : ICE | VMware | Orange Cyberdefense! Goal digger, 📚worm, 🌎trotter, foodie, mental health advocate!
Ꞗ ✶✶✶✶ @B3n_5mash
771 Followers 2K Following I'm selling these fine leather tacos | Banner by @sensitivepigeon | Security Weirdo by day (also night), Shitposter by night (also day).
Shadow Zone @wiccagunlukleri
399 Followers 4K Following
Thinkst Canary @ThinkstCanary
13K Followers 10K Following Most companies only realise they are breached when informed by a 3rd party. This is a stupid problem! Thinkst Canary. Know. When it Matters.Matt Moffitt @mpmoffitt
54 Followers 107 Following Information Technologist in a fantastic research and education ecosphere. Food cooker, grill operator, and marathon runner. @[email protected]
SBd__BlackPilled @txhurl
658 Followers 2K Following The LEFT ⌛, Hill Country hippie redneck, reveres 🇱🇷 45, Tzu, OANN, 🙏 Flynn. Only You can vote in Socialism but you'll hafta shoot your way out of it.
The Vertex Project @vtxproject
3K Followers 4K Following On a mission to create an intelligence-driven future with Synapse.
Diz @Diz_Sec
327 Followers 557 Following Blue Teamer, Incident Responder, Threat Hunter, ATT&CK Fanboy. Thoughts are my own, and all that. https://t.co/0Km8kH3GCv // https://t.co/LSzKQWHchN
tom wanstan @TWanstan
48 Followers 2K Following
Billy McDiarmid @billy_redsift
96 Followers 459 Following MSc Cyber Security student & head of SE @redsift | cats & tunes
Mike @MySnozzberries
532 Followers 2K Following I Build-Break-Repeat, AWS, Azure, MS, Cisco, InfoSec https://t.co/eN8iK5IMuL
Johnny Moline 🐊 �... @johnmccumber
4K Followers 3K Following 🎼 We are all just pensioners here, of our own device. 🎵
Steven Yarnot @YarnoSG
460 Followers 2K Following Windows #Infosec Nerd | #GroupPolicy | #PowerShell | #ActiveDirectory | #FirstRobotics | #OneNote | Bragging on my Wife, Kids, & Pets. | Rube Goldberg | #IoT
Dawid Pura @puradawid
202 Followers 419 Following 💻 Programmer With The Highest Cortisol Level 📢 🪖 Information warfare enthusiast. ✍️ Check out my blog! Life goal: being a better programmer every day!
GlassWire @GlassWire
9K Followers 8K Following GlassWire for Windows & Android both help protect your device, privacy, and data usage by visualizing your network activity. 📱💻 https://t.co/6HazpJlSiQ
Ronin @iR0nin
241 Followers 331 Following I will fight for change! By arming the masses with knowledge. By being a voice for the voiceless. By being calm within chaos. By being Ronin! Become Ronin too!!
BSidesCleveland @BSidesCleveland
2K Followers 536 Following The Cleveland, Ohio chapter of the Security BSides community
Dr Tom Shinder @tshinder
4K Followers 2K Following Program Manager in Azure Security Engineering - let's talk about Azure cloud security!
ʎʇɹǝɟɟɐꓶ uo�... @zenrandom
1K Followers 2K Following Technical/Operational Debt Collector, IT Archaeologist, making the simply ridiculous absolutely ludicrous . Copied my opinions from person next to me.
QuasarHabanero @QuasarHabanero
9 Followers 157 Following The cosmos is calling to you via pulses. Can you hear it?
Scott Pack @packscott
1K Followers 733 Following SecEng FTW. Loves: Building Sec Solutions, Automation, 2-Handed Power Attack. Hates: Debugging authn, slugs. At best my thoughts, totes not employers. (he/him)
Richard Stiennon @stiennon
44K Followers 44K Following Cybersecurity Industry Analyst Connect on Bluesky: https://t.co/6w16YVOiBn
Jeannette Holshu @jholshu
2 Followers 24 Following
Ty Nelson @ty_nelson
51 Followers 171 Following Just a big nerd truly trying to do something for the world.
Loggy @OSULoggy
339 Followers 863 Following
mfsees @opieberkowitz
39 Followers 283 Following Do I Shout it Out? Do I let it go? Shit goes on and on and on and on...
Max T @notshroud
251 Followers 275 Following Sporadic & Incoherent Thoughts About Ohio Sports, Columbus happenings, IT-ish stuff, and nothing in particular.
andrewselig @andrewselig
76 Followers 67 Following
Cookie Connoisseur @browsercookies
2K Followers 93 Following Ex-Unit 350: Elite cookie ops. Perfect bake temp. No ties to Unit 8200.
Essential Mastery @EssentialMastry
660K Followers 129 Following Be The Master. Unlock Potential With Psychology & Philosophy. Mental mastery. Financial Freedom.
Microsoft Flight Simu... @MSFSofficial
136K Followers 79 Following The sky is calling. ✈ Available worldwide for PC, Xbox Series X|S, and via Xbox Cloud Gaming. Developed by @AsoboStudio Support: https://t.co/fiNqQ4Rr06
Eknath Iyer @eknath
277 Followers 3K Following Security @stripe. personal opinions only. Activity here doesn't reflect opinion of my employer.
Dark Web Intelligence @DailyDarkWeb
138K Followers 0 Following Daily Dark Web dose from the dark side.
DOORS - Roblox Horror... @DoorsRoblox
275K Followers 7 Following A free 1-4+ player roguelite horror game by @LightningSplash, @RediblesQW & others. Stay tuned for news! https://t.co/iG54SOtq3G
Bunsold DC Trip @BunsoldMiddle
1K Followers 71 Following
Kostas @Kostastsale
18K Followers 367 Following @TheDFIRReport | No longer active here – find me on Bluesky: https://t.co/qHzDSxCRfG. 🇬🇷🇨🇦
Alex Teixeira @ateixei
3K Followers 952 Following I design and build #SIEM content for a living. Editor at https://t.co/WIrKw7X1p5 #DetectionEngineering & Research, #ML #Stats x-Splunk
Stephen Sims @Steph3nSims
24K Followers 832 Following Perpetual Student | SANS Fellow | Musician | Braggart Hater | Gray Hat Hacking | VR | 🏂 | deadcode | https://t.co/CadJehomsU
TJ @hoshin
280 Followers 519 Following Husband, dad, infosec guy, gamer, connoisseur of dad jokes, and lover of Oxford commas.
Justin Elze @HackingLZ
65K Followers 5K Following CTO @TrustedSec | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
Mick Douglas 🇺🇦... @bettersafetynet
30K Followers 568 Following Consultant for InfoSec Innovations | @SANSInstitute Principal Instructor | @IANS_Security Faculty | I like information security. How about you?
おおにしるい @marble_v_
19K Followers 3K Following トランスフォーマーをはじめロボアニメ大好き。ゲームUIデザイナーとして働きつつTF・セル画メインでアナログ絵を描いてます。デジ絵もすこーし練習中。 Commissions: closed (受け付け休止中) (not good at English but I'll do my best:)
Sandfly Security @SandflySecurity
3K Followers 1 Following Agentless Linux security. Protect Linux with no agents and no drama. Works almost everywhere with safety and speed.
Chainkit cyber integr... @chainkit
255 Followers 420 Following Automate and attest to the integrity of any data, of any type, in motion and at rest—in real-time | Ransomware, APT Detection | Forensics | Compliance
Eddie @infoseclogger@... @InfosecLogger
329 Followers 172 Following American. Infosec. Earn your place. Not your ally. [email protected]
rebelEducator @rebelEducator
140K Followers 310 Following Corrupting the youth. Enthusiasts exploring the future of learning. Follow for ideas on how to improve your child’s education.
DefSecSentinel @DefSecSentinel
2K Followers 1K Following Senior Security Research Engineer, Threat Research and Detection Development @Elastic, 179CPT Cyber Operations Technician 170A @MOARNG
Christopher Peacock @SecurePeacock
7K Followers 2K Following #PurpleTeam | Ex @RaytheonTech MSSP, @SCYTHE_IO, & @GD_OTS | Taught at BlackHat & DEFCON | #100DaysofSigma | Keep exploring, keep learning, and stay curious
Jeremiah Grossman @jeremiahg
63K Followers 613 Following Cybersecurity Pro. CEO, Root Evidence (@rootevidence) Founded WhiteHat Security, Bit Discovery. Venture Capitalist (https://t.co/Eln33VFWwf). BJJ Black Belt.
NirSoft @nirsoft
3K Followers 0 Following
The Mindful Business ... @mindfulsmbshow
450 Followers 40 Following The Mindful Business Security Show is a call-in radio style podcast for small business leaders! Hosted by @AccidentalCISO, produced by @Focivity.
Blake Burge @blakeaburge
415K Followers 199 Following On a mission to build meaningful things with @sahilbloom. Fan of Bourbon, Books, and Good Advice 🥃 📚 💬
Ryan Stephens @ryanstephens
37K Followers 437 Following Husband & Father 3x | Helping men "Get Dialed In" and live more intentionally | 1% Better Every Day | Always Learning | https://t.co/fDjIB3qQeq | Opinions mine
Bert-Jan 🛡️ @BertJanCyber
4K Followers 563 Following CSIRT | https://t.co/Tu1l2ZFe0T | Microsoft Security MVP | Blue & Purple Team | SOC | SIEM | Threat Hunting | Detection Engineering | #KQL |
Jeff Jackson @JeffJackson629
2 Followers 81 Following Father, husband, teacher, christian living in the Arctic and enjoying life's adventures.
Braino @Braino
33 Followers 91 Following Windows Security log SME, Active Directory recovery expert, CyberSecurity enthusiast, drone hobbyist, snow skiier, tinkerer, gadget man.
Christos Matskas @ChristosMatskas
6K Followers 3K Following Keynotes @Amazon! Previously @microsoft. Writer, Speaker, Developer, Creator, Geek & Triathlete, Husband,Father https://t.co/2aqliwexu7
learntocloud (L2C) @learntocloud
13K Followers 12 Following A courseware built on the belief that anyone can learn foundational cloud engineering skills with the right guide and discipline @madebygps @rishabincloud
Ru Campbell @rucam365
8K Followers 1K Following Microsoft Security MVP • Dad, metal, lifting, wrestling, cars • Author, Mastering Microsoft 365 Defender • @Threatscape • @M365SandCUG • https://t.co/CaVgOm8IvJ
NinjaJobs @TheNinjaJobs
2K Followers 625 Following NinjaJobs is a community-run job platform developed by information security professionals.
A Beacon Of Wisdom In... @KyleTDavis1
605 Followers 499 Following Seldom wrong, never in doubt. Also, Hoya Saxa.
ℍ𝕖𝕒𝕧𝕪 �... @MacHertz1
243 Followers 71 Following 30 year IT guy | CyberSecurity 101 VLOGs | Heavy Metal Enthusiast | All tweets are mine
Kamil Galeev @kamilkazani
313K Followers 627 Following
Merill Fernando @merill
19K Followers 4K Following Product Manager @microsoft | Tweets my own Built → https://t.co/ujxKqxXjf2 • https://t.co/QbUp63ffXf • Graph XRay • https://t.co/tSWrIw8Ajh 📰 Newsletter→ https://t.co/tPzAEl0Zuq 🎙️ Podcast→ https://t.co/TBlNKTzn8t
Downdetector @downdetector
125K Followers 44 Following Downdetector by Ookla® provides real-time outage monitoring, helping businesses detect, diagnose, and resolve service disruptions faster.
Dray Agha @Purp1eW0lf
6K Followers 3K Following Hunt & Response Senior Manager @HuntressLabs || "Competition is the law of the jungle, but cooperation is the law of civilisation” - Kropotkin
The DFIR Report @TheDFIRReport
62K Followers 0 Following Real Intrusions by Real Attackers, the Truth Behind the Intrusion. Services: https://t.co/XW613EKt2w
Mehmet Ergene @Cyb3rMonk
13K Followers 437 Following https://t.co/uAlYlXIpyV Learn #KQL for #ThreatHunting, #DetectionEngineering, and #DFIR @BluRavenSec | Microsoft Security MVP | #DataScience
Molly White @molly0xFFF
123K Followers 2K Following crypto & tech industry researcher & critic at https://t.co/hb1tT2Q3bJ & @web3isgreat • software engineer • wikipedian support my work: https://t.co/FPG3uvikH0
Heath Maverick Adams @thecybermentor
40K Followers 14 Following Husband | Vet | Founder @TCMSecurity | YouTuber | Professor | Disrupting the education industry via TCM Academy and #PNPT https://t.co/aIcaYyoDlK