Alex Archondakis @ArkionA
Application security specialist, social engineer and technology enthusiast. Joined July 2016-
Tweets161
-
Followers91
-
Following165
-
Likes94
We've updated our XSS cheat sheet to include prototype pollution vectors from @wcbowling, @SecurityMB, @S1r1u5_ , @alexbrasetvik and @Black2Fan. Hope you enjoy! portswigger.net/web-security/c…
Post2Ruby is a lightweight script that takes a POST requests from Burpsuite and creates an executable ruby script using the Typhoeus gem. Helpful for creating quick web application POCs. github.com/Arkion-Securit…
As mobile applications are becoming increasingly popular, the need to secure them is greater than ever. All mobile applications should implement three core defences to significantly reduce the threat landscape and discourage opportunist attackers. pentestpeople.com/the-three-foun…
Read the Pentest People update on the COVID-19 pandemic and how as a team we're ensuring our services stay live for all our clients, old and new. With the launch of our all-new Remote Infrastructure Penetration Test. pentestpeople.com/coronavirus-up…
I would like to see companies include personal infosec help as a benefit. Such as: * Free AV software for home/family use * Free password managers for home/family use * Bonus pay for passing quarterly phishing tests and infosec training * Free IT training/support for family
It's been a while since I have bricked a vm. Upon reinstalling kali I was pleased to see that it boots into a user account instead of root by default. Seems a bit crazy that it took this long
Great talk from @mpencavel now time for Alex from @PentestPeople discussing the importance of Cyber Essentials #CTGcyberevent #pentest #penetrationtesting #cyberessentials #CyberSecurity #security #securityrisk
Alex from @PentestPeople scaring us all with potential vulnerabilities in the connected world 😳! #ethicalhacking @ConcordeTG #CTGCyberEvent
Loving this ubuntu watch face! #ubuntu #watchface #terminal
Just got kicked out of a karaoke bar for singing Danger Zone five times. Apparently I exceeded the maximum number of Loggins attempts #NotSorry
As of todays Bitcoin & BCH to GBP value. The total sent to this address is £138114.3
One bitcoin address that seemed to appear on a lot of the WannaCry screenshots is 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Thanks to the beauty of blockchain we can see how many people paid and how much. blockchain.com/btc/address/12…
We can also see how much Bitcoin cash was paid (BCH) blockchain.com/bch/address/12…
Paying to unlock your files after a ransomware attack: A - The more companies that choose to pay, the more ransomware will spread. (If no one paid, it wouldn't be worth it) B - you have no guarantee at all that you will receive a decryption key (no files, less money )
Travelex won’t say if it has paid a ransom to its attackers bit.ly/2TC7fl9 via gcluley
What an amazing turnout today, we just want to thank everyone that attended todays meeting, a special thank you ta all the speakers: @nibzy 'Cybertauma - @jpnewell2001 - @NimboxHQ & @virtualDCS and our very own @ArkionA for his talk on Spear Phishing!
Thank you to everyone who attended our successful first 2020 meeting! With special thanks to Helen Goldthorpe for hosting, @nibzy - CyberTrauma, @jpnewell2001 - @nimbox & @virtualDCS and @arkionA - @PentestPeople for your insightful presentations and being such gracious hosts!
Excellent honest and productive panel with the speakers at @YorkshireCSC - infosec is moving forwards... We need to keep the response as close behind the attack as possible. @ArkionA @nibzy and Jason Newell
This week we'll be hosting the @YorkshireCSC meet-up, bringing together members of the industry to network and listen to some engaging talks. Wednesday's meeting will consist of: 1. @ArkionA - Pentest People: 'Spear Phishing and Cyber Best Practices'
We're delighted to announce the speakers of our first 2020 meeting, hosted by @PentestPeople! Alex A @ArkionA - @PentestPeople 'Spear #Phishing and #Cyber Best Practices' Jason N @jpnewell2001 - @virtualDCS & @NimboxHQ 'The role of DR in preventing #Ransomware attacks'
RapidSpike presents... 'Twas the Night Before Magecart 🎄 #Magecart #Cybersecurity rapidspike.com/magecart-detec…
David Cyber Security @InspiringRiots
483 Followers 5K Following Cybersecurity, IT, Technology... hopefully!
Yorkshire Cyber Secur... @yorkshirecsc
961 Followers 897 Following A community connecting experts, businesses & students to innovate cyber security in Yorkshire. 📆 Events 🤝 Networking 💻 Courses
MZ @maznpm
173 Followers 2K Following webdev💻 with a passion and interest in anything computer/IoT 🖥️ including neurons & AI 🧠 Lifelong learner👨🎓 Enjoys teaching 👨🏫
Ghost5egy @ghost5egy2
67 Followers 799 Following
Scott - EBBZ - London @Scott_London
562 Followers 1K Following An avid follower of all things CyberSec / InfoSec, studying for certs in security, also a DJ for Radio and on Mixcloud, Let the music set you FREEEEE
phinessence @phinessence
2K Followers 5K Following Josie Herbert, director at Phiness PR since 2007. Helping B2B technology clients share their stories, in the right ways, with the right people since 1999.
R4T | ねずみ | Nez... @ratilovich
567 Followers 953 Following RedTeam Operator | OSEP | OSCP | eCPTXv2 | CRTE | CRTP | RTO2 | Cyber Warfare | https://t.co/hOaGzR8H4X | Opinions Are Mine
Neil Roberts @NeilCRoberts
394 Followers 1K Following CEO at @Concordetg Nationwide Cloud, IT Managed Services and IT Solutions, Helping Customers reach their goals with multi-vendor technology.
Andy Eastcrabbe @AndyEastcrabbe
368 Followers 889 Following Past PM in aero & auto. IT Manager @HipperholmeGS Passionate self-learner, CI, disruptor, camper, hiker, Grandad, RL supporter 🦏 #OnlineSafety #Wellbeing
Dr Cath Knibbs (PhD) ... @nibzy
3K Followers 4K Following Challenging #BS & Fear of Online Harm into cybertrauma support | Consultant Child/Adult Psychotherapist, Supervisor Author, Trainer, Speaker/TEDx & ex REME Tech
Nimbox @NimboxHQ
288 Followers 684 Following Nimbox is a secure, privacy-first cloud storage solution focused on zero-knowledge protection, sharing and collaboration. Try for free at https://t.co/u06XogTXTR
Will Roebuck @willroebuck
1K Followers 2K Following Business Owner, Tech, eBusiness & eAuction Innovator, Historian, Animal Lover. Ancient Astronaut Theorist. Views mine
Justin365 @Justin3656
0 Followers 7 Following
Mark C. @LargeCardinal
7K Followers 7K Following Scouse feral academic. Quantum Hacker, ML miscreant, & mathematician. Views own. Collects useless degrees. @quantum_village (he/him) @[email protected]
Martin @martincm82
19 Followers 123 Following
Liam Follin @gr4y_r0se
248 Followers 352 Following UKCSC Chartered Cyber Security Professional. Principal Security Researcher at @hsbc, and volunteer at @Trust_Leeds. Opinions are my own.
Sarah @G1nGe98
2K Followers 532 Following Co-founder of @security_queens, penetration tester by day, lentil enthusiast by night. Security is my passion, but lentils are my addiction.
Dr Gerhard Knecht, Ph... @GerhardKnecht
13K Followers 11K Following Cybersec. & Audit VP, Global CISO, Global Head MSS, Prof. Speaker, TV appearance, Top 10 UK security personality 2010, Compliance guru, AI, Security Follow-back
616461d @6164616d
10 Followers 63 Following
DownloadDave @DownloadingDave
460 Followers 4K Following Wire up some circuits, write some code, make life easier. Director of Engineering. Hardcore #StarTrek fan. Meta-magic story caster. #Engineer4Life
Jo Peterson @cleartechtoday
64K Followers 39K Following Engineer who helps clients scope, source and vet solutions in #CloudAI, #AIOps, #AISecurity|Tech Analyst| Podcast: https://t.co/JbjtWgoWIe
Sue @sirius_malware
1K Followers 3K Following CSIRT | tweets are my own doesn’t represent my employer.| 🇨🇷 | tica en Irlanda| slytherin 🐍
PR Growth Hacking @PrGrowthHacker
811 Followers 3K Following #growthhacking with #PR at its core. All the tips and tricks you need to make waves in #publicrelations.
🇺🇸Jeff Shaw🇺... @civicfield
12K Followers 10K Following #ASU #ArizonaState #Mobile #MobileSecurity #CyberSecurity #Archiving #Sales #RegTech #DataPrivacy #ComplianceTech #LegalTech #FinTech #AI #ML
··• psyL[0]cK @shainsingh
602 Followers 2K Following bit shifter, packet wrangler, polymath in training, loudmouth. dev/sec/net/ops *nerd* @f5. all views on here are my own. 👉🏾 mastodon: [email protected]
AI Revolution @HighTechPro
11K Followers 11K Following We are in the midst of an AI Revolution! #AI #ArtificialIntelligence #MachineLearning & #Cybersecurity - Top #Adviser & #Practitioner #STEM #WomeninAI
Kylie McDevitt @kylieengineer
4K Followers 923 Following Founder & organiser of Au hackercon @BSidesCbr | Tech startup founder @infosectcbr | Network Engineering & Infosec Researcher
Joe Hozempa @JoeHozempa
452 Followers 3K Following Dad · Business Development & Sales · Lead Ninja · Host for the @stogiegeeks Show · BJJ 🟦🟦🟦⬛️⬛️🟦
RWaltz Software @rwaltzsoftware
114 Followers 373 Following World's leading Crypto and Blockchain Development Company. Tweet @rwaltzsoftware or email [email protected] for inquires.
CloudRadar Monitoring @CloudRadarIT
503 Followers 3K Following Life’s too short for complex monitoring software. How about a monitoring solution that can be set up in under 30 mins? From $1.70/month, try it free for 15 days
Scott Bollinger @kfalconspb
32K Followers 22K Following Long time IT pro and excertification junkie. Virtualization, Security, Networks, and Tacos!
KYLE @SimulationKYLE
2K Followers 4K Following Dir of Adversary Hunting @dragosinc. Podcast Host @Mules909090. Jiu-Jitsu Purple Belt. TNT. My thoughts/views.
Josh Grossman 👻 (t... @JoshCGrossman
2K Followers 2K Following Friendly AppSec Ghost 👻 @OWASP_IL | @OWASP_ASVS Mastodon 🐘: https://t.co/dHMXcjRkMH Blue Sky 🦋: https://t.co/LZHGv7q5HD
Henrik Kentsson @Kentsson
597 Followers 2K Following Into IT security, music and games. This account probably won't be interesting if you are looking for personal tweets.
🐘 @therealsaumil@i... @therealsaumil
8K Followers 2K Following Hacker. Speaker. Trainer. Entrepreneur. Traveler. Photographer. Calligrapher. Kite-flyer. Rebel. Made in India 🇮🇳 (vi/vim)
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.
beard @beardlyness
3K Followers 489 Following #Linux \/ #Nerd. Making "bleep bloop" for the internet since 2006. Ex-@TheManyHatsClub
BSides Cymru @BSidesCymru
1K Followers 163 Following BSides Cymru 17th October - 2025 Hosted in Tramshed Tech for one evening only
Renzon @r3nzsec
5K Followers 930 Following IR/Forensics @Unit42_Intel | Contributor/Analyst @TheDFIRReport @XintraOrg | Co-Founder @guidemtraining | CTF member @_hackstreetboys
@[email protected]... @EnableMFA
120 Followers 660 Following Security Operations Manager | CISM @[email protected] on Mastodon #InfoSec #CyberSecurity
DC151 @_dc151
2K Followers 270 Following Regular Leeds gathering for hackers, makers & people interested in security & tech | Meets every 2nd Wednesday | Run by @GlennPegden @roachy and @LauraWhit9
CardinalCommerce @CardinalCommerc
947 Followers 528 Following CardinalCommerce, a Visa Solution, is a global leader in #authenticating digital transactions.
Neil Roberts @NeilCRoberts
394 Followers 1K Following CEO at @Concordetg Nationwide Cloud, IT Managed Services and IT Solutions, Helping Customers reach their goals with multi-vendor technology.
Concorde Tech Group @ConcordeTG
631 Followers 419 Following Providing world class technology services and solutions to businesses around the UK
Mike Pencavel @mpencavel
67 Followers 550 Following
Andy Eastcrabbe @AndyEastcrabbe
368 Followers 889 Following Past PM in aero & auto. IT Manager @HipperholmeGS Passionate self-learner, CI, disruptor, camper, hiker, Grandad, RL supporter 🦏 #OnlineSafety #Wellbeing
matt blaze @mattblaze
70K Followers 890 Following Scientist, safecracker, writer, professor. 280 is the new 140 is the new 1536. He/Him. Not a paid subscriber. Mastodon: https://t.co/RAvcgh3JqM
~* v i v *~ @viv_yells
2K Followers 691 Following Security "professional" || Shitposting, once more with feeling || Disaster bisexual, neurotic mess, fake grown-ass lady || she/her
BSides Las Vegas @BSidesLV
18K Followers 2K Following BSides Las Vegas will take place August 3-5, 2026
Runa Sandvik @runasand
78K Followers 376 Following Founder of @GranittHQ, securing journalists and at-risk people around the world.
Random Robbie @Random_Robbie
16K Followers 6K Following Hunting vulns. Exploits are real. Opinions are yours. Blame yourself, not me. Anything posted here is on you not me. #LFC
Jay Turla @shipcod3
6K Followers 6K Following @rootconorg goon & CFP Reviewboard, @hacknotcrime advocate, contributed some msf code, F&AM #badgelife #carhacking #ADDVulcan
ProfDanny @DanielGDresner
3K Followers 1K Following Technology and risk delivering information security: Professor, PhD, FCIISec, cyber researcher, analyst, consultant, practitioner, father, grandfather.
Leeds Digital @LDSDigital
7K Followers 3K Following Leeds Digital champions the local sector, local creative and tech meetups, festivals, and news happening in the city🔸Founded by @unharmonic
Leeds PHP User Group @leedsphp
2K Followers 462 Following A group of PHP developers based in Leeds and surrounding area. Organiser: @WinnieIre Sponsors: @Autoprotect, Estrato Cloud
Dr Cath Knibbs (PhD) ... @nibzy
3K Followers 4K Following Challenging #BS & Fear of Online Harm into cybertrauma support | Consultant Child/Adult Psychotherapist, Supervisor Author, Trainer, Speaker/TEDx & ex REME Tech
Liam Follin @gr4y_r0se
248 Followers 352 Following UKCSC Chartered Cyber Security Professional. Principal Security Researcher at @hsbc, and volunteer at @Trust_Leeds. Opinions are my own.
Will Roebuck @willroebuck
1K Followers 2K Following Business Owner, Tech, eBusiness & eAuction Innovator, Historian, Animal Lover. Ancient Astronaut Theorist. Views mine
inactive @panther_modern
2K Followers 809 Following #BlackLivesMatter - Candorous Threatbuttererer -🤘💩🏴 - He/Him
Mark C. @LargeCardinal
7K Followers 7K Following Scouse feral academic. Quantum Hacker, ML miscreant, & mathematician. Views own. Collects useless degrees. @quantum_village (he/him) @[email protected]
RapidSpike @RapidSpike
1K Followers 701 Following Protect & improve your website & digital platforms - insights on digital experience, performance, uptime, security and data breaches (Magecart)
Sarah @G1nGe98
2K Followers 532 Following Co-founder of @security_queens, penetration tester by day, lentil enthusiast by night. Security is my passion, but lentils are my addiction.
Dr Gerhard Knecht, Ph... @GerhardKnecht
13K Followers 11K Following Cybersec. & Audit VP, Global CISO, Global Head MSS, Prof. Speaker, TV appearance, Top 10 UK security personality 2010, Compliance guru, AI, Security Follow-back
616461d @6164616d
10 Followers 63 Following
Joe Hozempa @JoeHozempa
452 Followers 3K Following Dad · Business Development & Sales · Lead Ninja · Host for the @stogiegeeks Show · BJJ 🟦🟦🟦⬛️⬛️🟦
··• psyL[0]cK @shainsingh
602 Followers 2K Following bit shifter, packet wrangler, polymath in training, loudmouth. dev/sec/net/ops *nerd* @f5. all views on here are my own. 👉🏾 mastodon: [email protected]
SirFIS @sir_FIS
149 Followers 133 Following trying to be a little less bad at red teaming than I was yesterday he/him
🇺🇸Jeff Shaw🇺... @civicfield
12K Followers 10K Following #ASU #ArizonaState #Mobile #MobileSecurity #CyberSecurity #Archiving #Sales #RegTech #DataPrivacy #ComplianceTech #LegalTech #FinTech #AI #ML
DownloadDave @DownloadingDave
460 Followers 4K Following Wire up some circuits, write some code, make life easier. Director of Engineering. Hardcore #StarTrek fan. Meta-magic story caster. #Engineer4Life
AI Revolution @HighTechPro
11K Followers 11K Following We are in the midst of an AI Revolution! #AI #ArtificialIntelligence #MachineLearning & #Cybersecurity - Top #Adviser & #Practitioner #STEM #WomeninAI
Kylie McDevitt @kylieengineer
4K Followers 923 Following Founder & organiser of Au hackercon @BSidesCbr | Tech startup founder @infosectcbr | Network Engineering & Infosec Researcher
Pentest People @PentestPeople
634 Followers 169 Following Pentest People are a UK-based boutique security consultancy focussing on bringing the benefits of Pentesting as a Service (PTaaS) to all its clients.
Scott Bollinger @kfalconspb
32K Followers 22K Following Long time IT pro and excertification junkie. Virtualization, Security, Networks, and Tacos!
Dan Simmons @dannsimmons
11K Followers 282 Following Former BBC Tech reporter now executive TV producer & documentary maker - specialising in technology, cyber security, the future, and cars. Still has evil twin!
KYLE @SimulationKYLE
2K Followers 4K Following Dir of Adversary Hunting @dragosinc. Podcast Host @Mules909090. Jiu-Jitsu Purple Belt. TNT. My thoughts/views.
Security BSides @SecurityBSides
58K Followers 871 Following Building communities one event at a time. Thirteen years, over eight hundred events, and we're just getting started. @[email protected]
Robin @digininja
25K Followers 230 Following Hacker, coder, climber, runner. Co-founder of SteelCon, freelance tester, author of many tools. Always trying to learn new things. @hacknotcrime Advocate
March 🧐 @_ta0
2K Followers 2K Following Researcher, documented whitehat, InfoSec Bono. I'm a finux-verified EBCDIC enthusiast, part-time video game character and purveyor of lolcats. He/Him/They.
HackerOne @Hacker0x01
342K Followers 3K Following HackerOne makes security continuous. We unite AI and human insight through a unified platform to expose risk and eliminate it.
Henrik Kentsson @Kentsson
597 Followers 2K Following Into IT security, music and games. This account probably won't be interesting if you are looking for personal tweets.
















