Cyber Defense Clinic - Cisco @ciscocdc
Hands-on attack and defend experience that teaches WHY you need security solutions. Offered by Cisco cisco.com/c/en/us/produc… Global Joined February 2020-
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For those that want to learn cybersecurity, you can register for free to perform attack and defense scenarios using real gear (Cisco, Splunk, Kali Llinux, Radware, Rapid7, etc). Register at app.smartsheet.com/b/form/32bd8db…
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Cyber Defense Clinic - Cisco retweeted
The DEF CON @VillageRedTeam May'hem event will have a CTF! More details to come soon!!! redteamvillage.io
I forgot about this trailer we created a year ago. youtube.com/watch?v=nCHFRT…
Cisco partners learn more about the Cyber Defense Clinic 3.0 at tinyurl.com/w2swx5r
We are proud to announce the release of the Cyber Defense Clinic 3.0. This is now available in Cisco dCloud. Learn more at cisco.com/c/en/us/produc…
For those comic geeks like us, check out our two free Cyber Defense Clinic comics. Download both at cisco.com/c/en/us/produc…
Learn more about the Cyber Defense Clinic at cisco.com/c/en/us/produc…. New 3.0 release coming in 2-3 weeks!
Gus Leon @gusleond
1K Followers 579 Following Computer Eng. /CLN Ambassador 2025 / Cisco Champion 2025/ PMP, PMI-ACP/ CCST IT Support, Cybersecurity & Networking /CC. 💻 📚 🇨🇷
Oshadha Lakshan @OshadhaL
0 Followers 33 Following
mapoo340 @mapoo340
0 Followers 14 Following
Ron Taylor @Gu5G0rman
275 Followers 342 Following Christian, Father, Hacker, Packer Fan, Cuse native
Tererai Matambanadzo @TerryMatbiz1
0 Followers 65 Following
Buulakpoi🇸🇱 @Kaimarich_
194 Followers 3K Following
Gutsito @gutsitocloud
24 Followers 165 Following Fancy dogookie in networking, computing and security. Cat friendly.
Hemnauth Singh @hemnauthsingh
26 Followers 316 Following
Kalyan R @RKalyan1212
150 Followers 4K Following
Sergey @Sergey45250046
5 Followers 62 Following
Dani Woolf (She/Her) @thedaniwoolf
1K Followers 1K Following I’m curious about the #cybersecurity psyche. Founder, CEO of #Audience1st. Content at @nucleussec.
CYBER SENTINELS @CyberSentinels
31 Followers 265 Following Security, CISO, CSO, SOC Analysts, PenTesters, Advisors, Trainers, OWASP, OSCP, Kali Linux, CISSP, CEH, CompTIA+, Security+, RPA, AI @EMEAEXECUTIVES @iGRATM
tridentsec @tridentsec1
268 Followers 2K Following
Joey Muniz @SecureBlogger
926 Followers 900 Following Security Guy @ Microsoft and Researcher by Day - Futbal Playing Ankle Hacker at Night. My opinions are my own.
Earl Carter @kungchiu
813 Followers 776 Following Retired Threat Researcher. Love perfecting my guitar and piano skills and playing video games.
Bachir AB. @twbenali
105 Followers 938 Following Engineer in Networks and Telecommunications Systems. I'm interested by : #Computer #Security #ArtificialIntelligence #Internet #Politic
Joseph M @cedoxX
9K Followers 4K Following Keynote Spkr • Best Selling Author • DarkWeb Trainer. Builder of Secure DC Agents/GPT/AI/Qbit +28yr Defcon/BlackHat & Darkweb +22yr Securing ICS/SCADA/BMS
Vancelot @VancelotNetwork
108 Followers 347 Following Studying to make progress on my IT certification path which I hope leads me into Cyber Security. I also dabble in coding. Very poorly I might add.
Bob Perciaccante @orcusomega
67 Followers 249 Following
Ovidiu Neghina @ovidiuneghina
43 Followers 248 Following Love Technology and Security. Tweets are my own
Brad Haynes @GK_bradhaynes
208 Followers 204 Following old dog learning new tricks with a passion for cybersecurity and all things Cisco #CiscoChampion
Nick Kelly aka Rev3Do... @Nick_Kelly
2K Followers 4K Following Musician, Blogger, Podcaster, Author of the Leon Catwalk Caliber novels & the Urban Samurai series. These tweets are my own, not My employer’s. He/Him/His #ILF
Romeo Yong @YongRomeo
57 Followers 237 Following In the darkest hour when the demons come, call on me brother and we'll fight them together![CCIE#64416 [SP] .. Hungry For Knowledge .. Swimmer .. & A Little Bit INSANE !!](https://pbs.twimg.com/profile_images/1268883871568977920/v888oAPr.jpg)
Abdullah Medhat @AbdullahMedhat
359 Followers 2K Following CCIE#64416 [SP] .. Hungry For Knowledge .. Swimmer .. & A Little Bit INSANE !!
Mazen Al Jundi @mazenjundi
81 Followers 326 Following Technical Solutions Architect @Cisco part of Worldwide Secure Workload & Analytics Engineering. CCIE-V29956, Cisco Secure Workloa. Tweets are always mine
sam brawner @thesambrawner
70 Followers 591 Following Lifetime learner ... poor test taker...all opinions are my own.
Dan Cook @NetworkCook
217 Followers 606 Following Systems Architect @Cisco Systems - North West UK 🇬🇧
A.J. Murray @noblinkyblinky
6K Followers 3K Following #Architect, @artofneteng alumni, #blogger, #CCNP. Husband, Father, and photographer. Tweets are my own.
Tim H, CISSP #CiscoCh... @harmont2004
645 Followers 834 Following CISSP | Cybersecurity Executive | Thought Leader | Security Analytics & Risk Leader | Driving Enterprise Security Transformation
Jeff @fryguy_pa
8K Followers 5K Following CCIE R&S, JNCIE-ENT/SEC, DVC Member, Ford Mustang, Father, Son, & Husband. Tweets are my own and mine alone. JNCIE Workbk https://t.co/2qBqrD1CJG
Gerardo Viar @GerardoViar
18 Followers 456 Following
Jacot-Descombes Antoi... @letocaj
34 Followers 108 Following Ingénieur réseau senior. Habitant du Val-de-Travers. Papa d'une petite Olivia.
Loxx @AaronWoland
2K Followers 583 Following Distinguished Engineer - Cisco Systems. Security Nut/Identity Freak. Father/twin-dad. Tweets are often from someone else, but opinions are always free and mine!
PC @pchobbit
1K Followers 2K Following Talos Incident Response global leader by day - former CISO, Risk Management, etc. Gamer, RPG. travel enthusiast by night -The views expressed are my own
Patrick @PatrickWhyte
11 Followers 65 Following
Alex Tapia F. @atapiaflores
487 Followers 3K Following #CiscoSE Opiniones Personales. Own tweets (related mostly to football -soccer- and technology).
machavalley @machavalley
21 Followers 2K Following
PortcullisLabs @portcullislabs
2K Followers 4K Following Portcullis Labs is the R&D arm of @cisco's Security Advisory team in EMEA. Follow our journey at https://t.co/BIbV67locX.
Ian Gyte @iangyte
90 Followers 850 Following Multi cloud solution engineer at Aviatrix. CCIE Security #20061 Tweets are my own.
Joel Crane 🥔 @Potato_Fi
5K Followers 378 Following Idahoan living in Finland. “The American” at @HaminaWireless. Wi-Fi Trainer. CWNE #233. 3d printing, fixing stuff, dormant sportbiker, saved by grace.
Nicole Wajer @vlinder_nl
2K Followers 489 Following Chief Stroopwafel Officer #CSO #SocialButterfly #IPv6 #ILookLikeAnEngineer "Own Tweets" #CiscoSE #CiscoLive #WomenInTech #FromTheFuture #Geek
💻 @DevonSotom
51 Followers 253 Following
Dave Benham @baldwifiguy
2K Followers 681 Following CCIE (Wireless) #45171. Wi-Fi and RF enthusiast, both on and off the job. My tweets don't represent anything but my own insanity. @[email protected]
Warren Mercer @SecurityBeard
6K Followers 2K Following CEO/Founder @HYDNSecurity blockchain security | CEO/Co-Founder @kpath_ai agentic web startup - ex @cisco @talossecurity @nyse
Jake Snyder @jsnyder81
5K Followers 588 Following CCIE-W 43153, CWNE #161. My views are my own and not those of my employer. Wireless Network Engineer @Google [email protected]
Jay Franklin @jay25f
1K Followers 543 Following Cisco NCE, Army Warrant, ACD dad, CCIE #50944. Loves learning, ICS, security, dogs, home labs, Karn, running slow marathons, being bad at MTG. WDE. Rock Chalk!
Peter Jones @petergjones
3K Followers 892 Following Cisco Distinguished Engineer, Ethernet Alliance chair, IEEE 802.3. Taking a Twitter/X break. Look for me at https://t.co/L4rHEUnigc
Alison Marie Gleeson @allygleeson
5K Followers 489 Following Former SVP @Cisco, Board Member- ZoomInfo, Elastic & 8x8. Advisor, Investor, Women in Tech Advocate, Proud Mother of 2 and #MichiganStateU Graduate
John T. Chambers @JohnTChambers
26K Followers 88 Following Grandfather/father/husband/startup advocate/market transition predictor. Founder @JC2Ventures, Chairman Emeritus @Cisco, Chairman @USISPForum, @LaFrenchTech Amb
Snort 🐷 @snort
23K Followers 12 Following SNORT®: The standard in IDS and IPS. Download Snort 3 today! https://t.co/0Aycqy2PqJ
Joel Esler @JoelEsler
6K Followers 615 Following VP - Intelligence - ThreatSTOP | xCisco Talos | xPodcaster - SANS Podcast + Beers with Talos | Success comes in many forms.
Nick Biasini @infosec_nick
2K Followers 1K Following Head of Outreach at Cisco Talos. These are my views not my employers. @[email protected]
Earl Carter @kungchiu
813 Followers 776 Following Retired Threat Researcher. Love perfecting my guitar and piano skills and playing video games.
Chungustown @ChinaHandDave
519 Followers 1K Following No more twitter for me. Follow me on Letterboxd: Chungustown.
Nick Mavis @nickmavis
353 Followers 408 Following Senior Research Engineer at @TalosSecurity. CTF enthusiast, motorcycle lover, gamer dude.
Learn with Cisco @LearningatCisco
247K Followers 3K Following Start here. Go anywhere. Learn with Cisco accelerates your success, including #CCNA #CCNP #CCIE #CCDE Specialist & #DevNet. Use #CiscoCert to join conversation.
Cisco Live EMEA @CiscoLiveEMEA
21K Followers 519 Following Sign up to be notified when registration for Cisco Live 2026 Amsterdam opens. Join us February 9-13, 2026. Use #CiscoLiveEMEA.
Alex McDonnell 🇺�... @drimgere
548 Followers 609 Following Research Engineer for Talos at Cisco Systems. My stupid tweets have nothing to do with my employer, just me having fun. Pronouns: he/him
The Cisco Live Hat @TheCiscoHat
807 Followers 222 Following Where will the #CiscoLive Hat turn up next?disclaimer:tweets are the Hats own. Almost the official Mascot of #CiscoLive. #CiscoChampion
Cisco Customer Experi... @CiscoCX
20K Followers 916 Following We’re with you at every step of your technology journey, to accelerate your success. Read our blog: https://t.co/R6hCBnSUzt
Chuck Robbins @ChuckRobbins
69K Followers 305 Following Chair and CEO, Cisco Chair, Business Roundtable Proud UNC Tarheel
@[email protected]... @ColinGrady
524 Followers 369 Following Infosec threat researcher, automotive enthusiast, traveler, gamer, and eater of good food. My tweets and opinions are my own.
Christopher Marczewsk... @cmarczewski
159 Followers 188 Following Senior Malware Research Engineer @TalosSecurity. Posts are my own.
CiscoEvents @CiscoEvents
26K Followers 202 Following Cisco conferences, virtual events, and other activities updates. Follow us on Facebook too! https://t.co/DtGNXjHyx6
SANS Institute, EMEA @SANSEMEA
38K Followers 15K Following The most trusted source for cybersecurity training, certification and research. To view upcoming events and course information visit our website.
Wendy Nather @wendynather
32K Followers 379 Following
PortcullisLabs @portcullislabs
2K Followers 4K Following Portcullis Labs is the R&D arm of @cisco's Security Advisory team in EMEA. Follow our journey at https://t.co/BIbV67locX.
Infosecurity Magazine @InfosecurityMag
242K Followers 869 Following The only magazine dedicated to the strategy and technology of information security, delivering critical business and technical information for IT professionals.
SecurityWeek @SecurityWeek
226K Followers 3K Following #Cybersecurity News, Threats, Insights and Expert Analysis: #SCADA #Infosec #ICS Coverage
CyberWire Daily, by N... @thecyberwire
40K Followers 839 Following The CyberWire Daily podcast and briefing deliver concise news & analysis for the busy cyber professional Monday - Friday. Listen and subscribe today.
PC @pchobbit
1K Followers 2K Following Talos Incident Response global leader by day - former CISO, Risk Management, etc. Gamer, RPG. travel enthusiast by night -The views expressed are my own
Jay @coolacid
3K Followers 2K Following Shell of a human. Used to believe in the good of humans and 'community'. Proved wrong. Fuck this world, I want off.
SANS Institute @SANSInstitute
192K Followers 417 Following SANS is the most trusted and by far the largest source for information & cyber security training, certification and research in the world.
Paul Rascagnères @r00tbsd
17K Followers 2K Following Lord of Loaders at @Volexity | Mastodon account: 🐘 @[email protected] | Bsky @r00tbsd.bsky.social
Threatpost @threatpost
212K Followers 6K Following Threatpost is the first stop for fast-breaking security news, conversations and analysis from around the world.
Cisco Talos Intellige... @TalosSecurity
48K Followers 164 Following The Official X account of the Cisco Talos Intelligence Group. Support requests: https://t.co/LGrHyYbolX
Casey O’Looney @Cisco_Casey
148 Followers 106 Following
Tim H, CISSP #CiscoCh... @harmont2004
645 Followers 834 Following CISSP | Cybersecurity Executive | Thought Leader | Security Analytics & Risk Leader | Driving Enterprise Security Transformation
Bill Burnam @stilgar
2K Followers 2K Following Network Engineer| CLN #CiscoVIP | #CiscoChampion 2014-25 | CCNP | Studying for #DevNet | #StarTrek #Dune #DnD | Busy Husband & Dad of 3 |
Tom Hollingsworth @NetworkingNerd
16K Followers 1K Following Organizer for Tech Field Day. CCIE. Scruffy-looking nerd herder. Networking engineer. Independent Network Analyst. Snarky blogger. Nerd.Trends for United States
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