spencer @techspence
🛡️Empowering defenders & dismantling threats | Ethical Threat | pentester @securit360 | host @cyberthreatpov | SWAG https://t.co/AFJtZQcti7 go.spenceralessi.com/newsletter Free Cyber Defense Tips ⬇️ Joined November 2010-
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In this episode my teammate Tyler and I talked about one of our absolute favorite security tools: PingCastle Plus, I share a little known feature of the tool that may interesting to pentesters. buzzsprout.com/1731753/episod…
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Deception is the way.
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Life lesson. The sooner you start, the sooner it gets done.
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Vibe Patching 🫠😅
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Cisco ASA/Firepower - Be on the lookout for this url 👇 (/+CSCOL+/csvrloader64.cab) - Contains an archive for the Cisco SSL VPN Relay Loader - Likely can be used for version fingerprinting (little info out there about the loader) (CVE-2025-20333 / CVE-2025-20362)
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I’m working on new version of Testimo/GPOZaurr and ADEssentials. What would you like to see improved/added over what’s there? Any pain points? New features?
It’s astonishing to me how an attack can be so easy as: Compromise account with weak password > connect to vpn (no mfa) > find an admin password on a file share > log into DC (doesn’t have EDR) And then in another org, it’s literally a fight tooth and nail to get anything The…
*81% of hands-on-keyboard intrusions were malware-free…In the last 12 months According to crowdstrikes 2025 threat hunting report
crawl > walk > run folks Test & deploy in "rings"
The human body is amazing. Just lose 10, 20, 30 pounds and "miraculously" you feel great, less inflamed, less tired, less mental fatigue.
Funny email security observation: Re: [EXTERNAL] subject Re: [EXTERNAL]
The sooner you start adding admins to Protected Users Group, the sooner you can find out what breaks, the sooner you can fix it, the sooner you can retire in peace knowing you have done something few have dared to try
Deny all app control can be hard to achieve starting out. Start by blocking “bad” I expand more on this here links.spenceralessi.com/posts/ethical-…
Deny all app control can be hard to achieve starting out. Start by blocking “bad” I expand more on this here links.spenceralessi.com/posts/ethical-…
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Cisco just confirmed that multiple zero-days against ASA/FTD VPN web services were exploited in the wild. CISA followed up with an Emergency Directive ordering federal agencies to inventory, patch, or disconnect affected devices. The last 3 Cisco advisories are directly tied to…
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Cisco ASA/FP - Be on the lookout for calls to these URLs 👇 GET /+CSCOU+/MacTunnelStart.jar GET /+CSCOL+/csvrloader64.cab GET /+CSCOL+/csvrloader.jar - Contain the Cisco SSL VPN Relay Loader - Likely used for version fingerprinting (CVE-2025-20333 / CVE-2025-20362)
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0-Day Alert 🚨 Actor exploiting Cisco IOS / XE zero-day (CVE-2025-20352)O. Patches are available now. Our Cisco IOS honeypot contains the SNMP service, making it viable to tracking this exploit! 👉console.defusedcyber.com/signup
How to actually name threat actors… 😅 youtube.com/shorts/u3yaS97…
Justin Elze @HackingLZ
65K Followers 5K Following CTO @TrustedSec | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
Dave Kennedy @HackingDave
224K Followers 6K Following Founder @Binary_Defense @TrustedSec Co-Owner https://t.co/HQC75WhdJh. @WeHackHealth Pod. God + Family/Hacker/CSO/USMC/Intel/Fitness. Make the world a better place.
mRr3b00t @UK_Daniel_Card
114K Followers 8K Following Department of Cyber WAR CEO of everyone's email servers!
SwiftOnSecurity @SwiftOnSecurity
405K Followers 9K Following computer security person. former helpdesk.
Jean @Jean_Maes_1994
12K Followers 1K Following @sansoffensive Certified instructor/SEC565 author/SEC699 co author
Grzegorz Tworek @0gtweet
36K Followers 2K Following My own research, unless stated otherwise. Not necessarily "safe when taken as directed". GIT d- s+: a+ C++++ !U !L !M w++++$ b++++ G-
Mick Douglas 🇺🇦... @bettersafetynet
31K Followers 570 Following Consultant for InfoSec Innovations | @SANSInstitute Principal Instructor | @IANS_Security Faculty | I like information security. How about you?
John Hammond @_JohnHammond
300K Followers 3K Following Cybersecurity Researcher @HuntressLabs || Just Hacking Training @JustHackingHQ w/ @ethicalhacker || https://t.co/UtsNJiyQtS || https://t.co/narO3sz7y6
Florian Roth ⚡️ @cyb3rops
207K Followers 3K Following Head of Research @nextronsystems #DFIR #YARA #Sigma | detection engineer | creator of @thor_scanner, Aurora, Sigma, LOKI, YARA-Forge | always busy ⌚️🐇 | vi/vim
sn🥶vvcr💥sh @snovvcrash
12K Followers 490 Following Sr. Penetration Tester / Red Team Operator @ptswarm :: Author of the Pentester’s Promiscuous Notebook :: He/him :: Tweets’re my pwn 🐣
n00py @n00py1
13K Followers 962 Following Retweeter of InfoSec/Offsec/Pentest/Red Team. Occasional blogger/Independent security research.
Dr. Nestori Syynimaa @DrAzureAD
20K Followers 2K Following Principal Identity Security Researcher at Microsoft. Ex-Secureworks. (MSc, MEng, PhD, CITP, CCSK). And yes, opinions are my own ;)
corgi @corg_e
53K Followers 3K Following ssh'd into the espresso machine | (mostly) harmless pentester | president @bsidesnash | @defcon615 | chaotic neutral
mgeeky | Mariusz Bana... @mariuszbit
14K Followers 823 Following 🔴 Operator, Initial Access afficionado, Researcher, ex-AV engine developer, ex-Malware analyst 🦋 @mgeeky.bsky.social 🫖 green tea lover
rootsecdev @rootsecdev
26K Followers 1K Following Senior Security Consultant @TrustedSec | Military grade meme poster, researcher, cloud penetration tester, voider of warranties. My thoughts are my own.
Bryson 🦄 @brysonbort
19K Followers 496 Following 🦄 @scythe_io @grimmcyber, Sr Advisor @IST_Org, NatSec Inst Sr Fellow, Co-Fdr @ICS_Village, @c2_matrix co-creator, USMA Science Board, Angel Investor, US Army
Kαι @0xUrbanWolf
17K Followers 262 Following I never brag how real I keep it, cuz it's the best secret — Nas, Take It In Blood
an0n @an0n_r0
13K Followers 726 Following CRT(E|O|L) | OSCP | @RingZer0_CTF 1st (for 2yrs) | HackTheBox Top10 | RPISEC MBE | Flare-On completer | GoogleCTF writeup winner | SSD research | Math MSc |🇭🇺
Lisa Forte @LisaForteUK
55K Followers 4K Following Cyber Security - Partner @redgoatcyber - Climber / Caver. she/her
DefSec @defsecx
0 Followers 32 Following
er wang @QiwuSec
0 Followers 107 Following
Connected @LucyIsZombie
910 Followers 293 Following Purple Team in my bones - More More More https://t.co/NRtnzHYahD https://t.co/1GdeCm5QN5
61 Dugg @BandoSaturou
120 Followers 739 Following Die & be a hero or live long enough to see yourself become a villain | SDL💸| Artist/Songwriter | Tech Trench Baby 👨🏿💻
k @Morna666
22 Followers 440 Following B.A/GCWN/GCFE/GCFA/GBFA. Gamer, lover of food and cats, horror movies and Boston Celtics. Critical political know-nothing. Opinions are my own.
Moises Abrantes @moisesabrantes
20 Followers 327 Following
FayRuskin @TCx7IpXK31dtJ
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downabove00 @downabove00
0 Followers 47 Following
sη૯ӄ @snekstep
778 Followers 3K Following father / sausage dog owner / biking / devops / kubernetes / php / resistance training / photoshop / ai art / coffee / dubstep / metal / synthwave / 🐭
valorous ◕⩊◕ @valorous55811
3 Followers 61 Following ✴︎news, politics, cybersecurity and cybercrime ✴︎also available in dutch
Giorgio Figini @FiginiGiorgio
31 Followers 607 Following
Henry Beaudin @henrybeaudin
1K Followers 3K Following Operations Director @Crypto_ISAC. Dad x2, ex @goldmansachs, #bridgewaterassociates, @foursquare, and a few others.
Abdul-Barri @AbdulBarriLawal
2K Followers 3K Following
Henry Fletcher @henryfletch
15 Followers 137 Following
Abdeslem A @h4nz0x7
0 Followers 75 Following
Moses Morales @mosesmdev
113 Followers 264 Following MCSE: Cloud Platform and Infrastructure :: Always learning, always seeking.
Mustafa @ursaeminors
450 Followers 869 Following Cyber Security @TurkTelekom, ex @Deloitte | Computer Engineer @Yildizedu
Doug Burks @dougburks
6K Followers 551 Following I post mostly about Security Onion and OhMyDebn. Believer, husband, father, Founder and CEO of Security Onion Solutions, Co-founder of BSidesAugusta.
somethinghere @smthwrg1
21 Followers 685 Following نَعيبُ زَمانَنا وَالعَيبُ فينا وَما لِزَمانِنا عَيبٌ سِوانا وَنَهجو ذا الزَمانِ بِغَيرِ ذَنبٍ وَلَو نَطَقَ الزَمانُ لَنا هَجانا
Sam @ImYourAuditor
67 Followers 399 Following IT Auditor (SOC 1, SOC 2, ISO 27001, ISO 42001, and HIPAA). Opinions are my own. DMs are open.
Hisham Tarsoo @tars76357
0 Followers 15 Following
Faruk Albayrak☀️ @afarukalbayrak
122 Followers 557 Following ❤️ game theory, infosec, cryptocurrencies & macroeconomics ส้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้
Benedict Asamoah Affu... @cyberafful
54 Followers 730 Following Cyber Security || Networking Engineer || System Administration || Systems Support || Blue + Red Teaming || God's Will.
Lautaro @vlautaro
388 Followers 6K Following Proletario de la tecnología informática licenciado en Sociología
Mohanraj @blueteaming
31 Followers 107 Following
0xQRx @0xQRx
10 Followers 122 Following
Josh @godinthewired
45 Followers 181 Following
chris @okiechristopher
64 Followers 103 Following
Arun @JoinArunSaini
143 Followers 473 Following
eggfriedriceyum @eggfriedriceyum
2 Followers 190 Following CyberSecurity interests me. Lurking for info and looking for opportunities. Sec+ / CASP / GMON
Justin Elze @HackingLZ
65K Followers 5K Following CTO @TrustedSec | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
Dave Kennedy @HackingDave
224K Followers 6K Following Founder @Binary_Defense @TrustedSec Co-Owner https://t.co/HQC75WhdJh. @WeHackHealth Pod. God + Family/Hacker/CSO/USMC/Intel/Fitness. Make the world a better place.
vx-underground @vxunderground
376K Followers 295 Following The largest collection of malware source code, samples, and papers on the internet. Password: infected
Mike Felch (Stay Read... @ustayready
17K Followers 2K Following Targeted Ops Red Team @ TrustedSec | Hacking since Renegade BBS backdoors | Prior CrowdStrike/BHIS | In Christ's grip | I speak for myself only | K1HAQ
mRr3b00t @UK_Daniel_Card
114K Followers 8K Following Department of Cyber WAR CEO of everyone's email servers!
SwiftOnSecurity @SwiftOnSecurity
405K Followers 9K Following computer security person. former helpdesk.
Jean @Jean_Maes_1994
12K Followers 1K Following @sansoffensive Certified instructor/SEC565 author/SEC699 co author
Grzegorz Tworek @0gtweet
36K Followers 2K Following My own research, unless stated otherwise. Not necessarily "safe when taken as directed". GIT d- s+: a+ C++++ !U !L !M w++++$ b++++ G-
Mick Douglas 🇺🇦... @bettersafetynet
31K Followers 570 Following Consultant for InfoSec Innovations | @SANSInstitute Principal Instructor | @IANS_Security Faculty | I like information security. How about you?
John Hammond @_JohnHammond
300K Followers 3K Following Cybersecurity Researcher @HuntressLabs || Just Hacking Training @JustHackingHQ w/ @ethicalhacker || https://t.co/UtsNJiyQtS || https://t.co/narO3sz7y6
Florian Roth ⚡️ @cyb3rops
207K Followers 3K Following Head of Research @nextronsystems #DFIR #YARA #Sigma | detection engineer | creator of @thor_scanner, Aurora, Sigma, LOKI, YARA-Forge | always busy ⌚️🐇 | vi/vim
sn🥶vvcr💥sh @snovvcrash
12K Followers 490 Following Sr. Penetration Tester / Red Team Operator @ptswarm :: Author of the Pentester’s Promiscuous Notebook :: He/him :: Tweets’re my pwn 🐣
n00py @n00py1
13K Followers 962 Following Retweeter of InfoSec/Offsec/Pentest/Red Team. Occasional blogger/Independent security research.
Dr. Nestori Syynimaa @DrAzureAD
20K Followers 2K Following Principal Identity Security Researcher at Microsoft. Ex-Secureworks. (MSc, MEng, PhD, CITP, CCSK). And yes, opinions are my own ;)
corgi @corg_e
53K Followers 3K Following ssh'd into the espresso machine | (mostly) harmless pentester | president @bsidesnash | @defcon615 | chaotic neutral
mgeeky | Mariusz Bana... @mariuszbit
14K Followers 823 Following 🔴 Operator, Initial Access afficionado, Researcher, ex-AV engine developer, ex-Malware analyst 🦋 @mgeeky.bsky.social 🫖 green tea lover
Adam Chester 🏴�... @_xpn_
36K Followers 502 Following Hacker for Hire at @SpecterOps | Blog at https://t.co/tjfTOllCEu | Insta at https://t.co/PqR6CZPwjl
Marcello @byt3bl33d3r
30K Followers 561 Following CyBeRsEcUrItY | Not afraid to put down with some THICC malware on disk | securing and breaking AI @PaloAltoNtwks | Ex @spacex
Fav. UncuDele 👨�... @iAmUncleDele
1K Followers 2K Following Microsoft Modern Workspace SME| Cybersecurity | Network Administrator | Certified Manchester🇱🇻 crush: Me
AugmentedSecurityForc... @geekmunity_FR
346 Followers 510 Following 🛡️ Capitaine Techmarine – Vigiles de Fer 🔧 | Défenseur du bastion numérique ⚙️ | Barbe d'acier
Martin Bengtsson @mwbengtsson
4K Followers 472 Following 5 x Microsoft MVP (2019 - 2024) #ConfigMgr | #MSIntune | #Windows11 | #Microsoft365 | #Security | Blogging on https://t.co/fDZQbZJXcH
The Tarsier @angry_tarsier
250 Followers 2K Following
Andrew Gould @AndrewWriteCopy
38K Followers 158 Following Freelance copywriter since 2009 | Sales page and VSL specialist | Sharing what I learned along the way
Bob Plankers @plankers
5K Followers 1K Following Security, resilience, common sense. Builds things. Grows things. Writes things. Gives talks about all that. “Funny.” (looking, I assume, they didn’t elaborate)
Al @ancienthacker
842 Followers 3K Following Husband, father, friend, all around geek. 2A activist, amateur photographer, 3D printer, libertarian. freedom first.
Horizon Secured @horizon_secured
919 Followers 136 Following Master Windows & Active Directory Security—From Defense to Attacks.
CreativeWolf @CreativeWolf
1K Followers 2K Following Agnostic, Tech, InfoSec, CExCE, DIY, Crowd Sourcing, Music, Design, Food, Kinesthetic | https://t.co/5JL0vrf24W
Smukx.E @5mukx
16K Followers 226 Following Malware Researcher & Red Teamer | 0..=n Day 🔬 at 🌒 | 0x15 Y/o
Darktrace @Darktrace
18K Followers 1K Following Global leader in AI cybersecurity, securing organizations by learning from unique data in real time to detect and counter threats with precision and speed.
Vectra AI @Vectra_AI
3K Followers 970 Following Vectra AI, the cybersecurity AI company that protects modern networks from modern attacks.
That guy you know @minkeymagik
970 Followers 2K Following ✝️, Husband, Father, US Navy Vet. My opinions are my own.
CloudSecurityPodcast @CloudSecPodcast
3K Followers 438 Following Cloud Security Podcast by Google hosted by @anton_chuvakin and @_TimPeacock - see more at https://t.co/xYsgwSz1ff
Lockheed Martin @LockheedMartin
619K Followers 383 Following We specialize in defense tech, connecting customers with integrated solutions to ensure America and its allies can achieve peace through strength.
seantelligence @niksadecimal
414 Followers 962 Following intel nerd & admitted tech idiot. tier 6 memes only. rambles about security and stuff. ridin w/ no tint so mf-ers know it's me. army vet. human rights ally.
Mike Sackett @mikesackett85
717 Followers 2K Following Husband; Dog dad; Army veteran; NY Jets; Knicks; Orange; Infosec; Horror; League bowler;
Lewis Barry | MVP @ThatLewisBarry
270 Followers 749 Following Intune MVP, Principal Security Architect
Ellen Richards 🏴�... @CyberEllen1994
184 Followers 521 Following Cyber girl, tech, STEM. Back into Cyber. Career reboot.
brody k @itsbrodyk
350 Followers 575 Following Texan Faith in Jesus 🥩 Carnivore Meat-based Infrastructure and Applications turned Cybersecurity
Rogue Bogey @roguebogey
122 Followers 459 Following Husband. Father. Certified #Ginger. Woodworker. BBQSmoker. Absent-minded. Was lost but now I'm found. Tweets my own.
Luke Miller @CloudSecLuke
80 Followers 533 Following Husband, Father | USAF Vet | Security Engineer | Volunteer @OhioCyber | Founder @codebridgecincy – building bridges in tech & community
Srbo Ičelić @ThatGRCGuy
139 Followers 226 Following ☦ 🇷🇸 🇺🇸 | #InfoSec Renaissance Man | Digital Philosopher | #GRC | #Privacy | #AI | Client Assurance | #ERM | Legal & Regulatory | Program Mgmt | #ITM | #VNV
Duane @duanegran
782 Followers 4K Following Infosec, geek, he/him. I tweet about technology and culture. Occasionally I do so with wit.
Mathieu Sanders @m_sanders_us
180 Followers 209 Following Job Searching - Management philosophy: servant leadership with a transparent, developmental focus = company growth.
Luke Turvey @TurvSec
7K Followers 350 Following Professional Hacker & Cybersecurity Youtuber. Collects infosec tools like Pokémon cards at: https://t.co/HUC8oTdRCo HTB Referral: https://t.co/zVJIqMKTRr
Founders Inc @fdotinc
49K Followers 217 Following The home for founders. Blueprint starts Oct 1st. https://t.co/nqic6XTBdJ
Lauren Cooney @lcooney
10K Followers 2K Following tech slayer & purveyor | corp vp & nerd | be kind, have fun & DFIU | never the thoughts of my employer
David Hood @dhoody82
129 Followers 398 Following LAN Support Team Leader at MS Department of ITS in Jackson, MS. Graduated from Mississippi State University with a BBA in Business Information Systems.
Raj Jegannathan @r_jegaa
12K Followers 279 Following AI/IT-Infra, CyberSecurity,IT Apps & Vehicle Service @Tesla
Y Combinator @ycombinator
1.5M Followers 346 Following We help founders make something people want. Subscribe to our newsletter: https://t.co/sjqjxxBeLc
Michael Mignano @mignano
24K Followers 703 Following VC and founder. Partner at @lightspeedvp. Co-Founder of @oboelabs. Former Co-Founder and CEO of Anchor (acquired by @Spotify).
Nikita Bier @nikitabier
605K Followers 2K Following head of product @x, advisor @solana, venture partner @lightspeedvp, ex-founder @gasappteam (acq by discord), ex-founder @thetbhapp (acq by facebook)
Johan Arwidmark @jarwidmark
23K Followers 2K Following Systems management and Imaging expert. Check out our Office Hours, Courses and Masterclasses on https://t.co/XdG5RSbD4j #msintune #configmgr #osd #mdt
International Cyber D... @IntCyberDigest
11K Followers 3K Following Your weekly go-to cybersecurity newsletter, curated and commented on by our senior analysts. Got tips? Signal: IntCyberDigest.17
Two Seven One Three @TwoSevenOneT
3K Followers 2K Following Chief Security Officer (CSO) || Security Researcher at https://t.co/YsorB5YEAu || Penetration Tester || Red Teamer || Social Engineering Awareness Trainer
Hubert Thieblot @hthieblot
31K Followers 2K Following Investing @fdotinc, Founder @curseforge acq by @Twitch, love @oheather1337, 3x dad 🇫🇷🇨🇭🇺🇸
Jaymon Lefebvre 🇨�... @JaymonLefebvre
670 Followers 571 Following Director of IT-Wild Rose School Division All Tweets have a dash of catcatcatcat
John Zetterman @jzetterman
355 Followers 1K Following Alaskan, living abroad. I'm an Anarcho Libertarian. Proud veteran. Professional tech guy.
HackerCat Productions @hackercatprod
396 Followers 183 Following A production company ran by computer nerds and artists. @NotNordgaren @Dykotomi @0xajka @0Dayhta and more team members to come!
dev2null @DevinsCodex
101 Followers 343 Following technologist | family guy | musician 🎶 | 🖤 coffee | adventurer | GCS GTW d- e++ r+++ C++++$ w++$ L++$ Y+ W t+ R+ DI++ b++ PE G++++
INFOSEC F0X 🔥 @infosec_fox
11K Followers 4K Following #CRISC | #CISA | #CISM | MSc #Cybersecurity | Digital #Transformation | Talk about #infosec & GRC | Wing Chun & Amateur Podcaster | Opinions are my own
GangExposed RU @GangExposed_RU
3K Followers 68 Following Cybercrime investigator | Exclusive leaks on $10M bounty targets
Startup Archive @StartupArchive_
98K Followers 2 Following Archiving the world's best startup advice for future generations of founders | New project: @foundertribuneTrends for United States
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