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x41-dsec.de/security/train… What are Tabletop Exercises (TTX) and why they matter to companies.
X41 performed an audit of Hickory DNS which is an open source Rust based DNS client, server, and resolver. We were sponsored by the great folks at @OSTIFofficial and supported by @ProssimoISRG Our full report can be downloaded here: x41-dsec.de/security/resea…
X41 Reviewed Mullvad VPN x41-dsec.de/news/2024/12/1… Many thanks to the @mullvadnet team for the professional and good interaction during this audit!
🙏 The eSIM/eUICC Security Training at @hardwear_io was also a lot of fun for me to hold. I'm happy to have had such a knowledgeable group with a great dynamic!
Was a nice training on esim’s at hardwear.io. Thanks @marver @hardwear_io
X41 released two advisories this week, one for Antragsgrün x41-dsec.de/lab/advisories… and one for chilkat x41-dsec.de/lab/advisories…
OSTIF weathered through an audit of CycloneDDS with @EclipseFdn and @X41Sec. We hope it takes you by storm- ostif.org/cyclndds-audit…
📢 Attention all security engineers, researchers and developers! Let's uncover the secrets of eSIM along with @marver at #hw_ioNL2024; learn about secure deployment practices, potential attack surfaces, and much more! Link: hardwear.io/netherlands-20… #esim #euicc #securityexperts
We just published our research on the use of power side channel analysis for fuzzing: x41-dsec.de/news/2024/05/2…
Advisory X41-2024-001: Weak Chilkat PRNG x41-dsec.de/lab/advisories…
X41 reviewed the source code of BIND9 for security issues on behalf of the @ISC . More details and the full report are available here: x41-dsec.de/news/security/…
Markus Vervier (@marver) and Eric Sesterhenn will provide a training NULLCON Berlin 2024. Register now!
Learn from the best! "How to find bugs in large code bases" by Eric Sesterhenn @X41Sec t2.fi/schedule/2024/…
Can you find vulnerabilities in large software projects such as Git? Join the training by Eric Sesterhenn and @marver at @nullcon Berlin 2024: nullcon.net/berlin-2024/tr…
Want to know how to audit large software projects effectively? Eric Sesterhenn and myself will teach what you need to know @nullcon: nullcon.net/berlin-2024/tr…
We are thrilled to Welcome back @X41Sec as our Happy Hour Sponsor 🥂 Let’s play some #HackerBingo Register with Early Bird Discount: nullcon.net/berlin-2024/re… #NullconBerlin2024 #cybersecurity #infosecconference
BIND9 9.19.17 was released, which contains fixes for several issues we reported. Make sure to update: downloads.isc.org/isc/bind9/9.19…
@OpenSearchProj underwent a security audit with us and @X41Sec thanks to funding by @awscloud ! This collaboration was not only a joy to perform but an achievement to report upon. Search the details at ostif.org/opensearch-aud…
Our audit of @EnvoyProxy with @X41Sec is released today! We are incredibly proud of this engagement, and I'd say more about what happened but I can't fit it all in this tweet. So, read our blog and the audit report here ostif.org/envoy-security… for all the details!
Gareth Heyes \u2028 @garethheyes
38K Followers 1K Following Web security researcher at PortSwigger. Author of JS for Hackers and Hackvertor. https://t.co/e0aNEbFb9D
LiveOverflow 🔴 @LiveOverflow
160K Followers 1K Following wannabe hacker... he/him 🌱 grow your hacking skills @hextreeio
Synacktiv @Synacktiv
21K Followers 274 Following Offensive security company. Dojo of many ninjas. Red teaming, reverse engineering, vuln research, dev of security tools and incident response.
Nicolas Grégoire @Agarri_FR
28K Followers 628 Following Web hacker and Burp Suite Pro trainer Refer to https://t.co/D5tRH7U2hg for trainings Follow @MasteringBurp for free tips and tricks
Richard Johnson @richinseattle
19K Followers 3K Following Computer Security, Reverse Engineering, and Fuzzing; Training & Publications @ https://t.co/mloVP6rPB7; hacking the planet since 1995; Undercurrents BOFH
James Kettle @albinowax
84K Followers 103 Following Director of Research at @PortSwigger aka @Burp_Suite. Find my research, tools & contact details at https://t.co/vP6UbGmvl3
crazyman_army @CrazymanArmy
6K Followers 2K Following CTFer / APT hunter / RedTeam / BlueTeam the member of @r3kapig the leader of @ShadowChasing1 CVE-2022-30190 find job opportunities opinions are own not group
Markus Vervier @marver
3K Followers 604 Following Security Vulnerability Coach, responsible for @x41sec and @persistent_psi Tweets here are my own.
gk98 @98erKAG
43 Followers 2K Following
daisy @daisyydaisy_
25 Followers 292 Following CTF player / pwn @fibonhack | Comp Eng undergrad @ University of Pisa
nopwnnogain @nopwnnogain1
6 Followers 532 Following
Mchenzie @Osenliahenry
95 Followers 3K Following
Marquivion (Marq) Orr @0xprimex0
43 Followers 1K Following ⚫️&⚪️ | Former foster youth→Founder/Engineer/Child Welfare Advocate: FosterEther, DSPQC, Qrown, GoQu, @aqurity_ai, Qugentic | @QSECDEF VIP Member | TRUTH
ThreatCluster @threatcluster
413 Followers 541 Following Actionable threat intelligence platform | Real-time clustering of 15k+ sources | Ransomware, Campaigns, Malware, IOCs & hunt queries. One feed. Every threat.
Jo @toohol
215 Followers 7K Following
Minh Duong @WhiteHoodHacker
2K Followers 1K Following security researcher @microsoft, alum @sigpwny @UofIllinois
isenhu @isenhu
33 Followers 3K Following
Allele Security Intel... @alleleintel
1K Followers 2K Following Allele Security Intelligence is an independent company specializing in Information Security research.
Rodrigo Branco @bsdaemon
13K Followers 4K Following Chief Architect, Security Research of BigTech Advisor of Grsecurity. BYOS Commitee Member of OffensiveCon, Langsec, DistrictCon, Secdev
Vladimir Vucinic @vvlada
392 Followers 1K Following Cybersecurity insights | Serbia • Italy • Balkan • EU | English / Italiano / Српски | Threats, policy & defense. Net++ technology CEO.
karasuma @karasuma__2
4 Followers 459 Following
Ali Shan @ali_shann__
0 Followers 141 Following Student of Computer Science || Vulnerbility resercher
Vik @vik_bc
57 Followers 1K Following
Sean @SeanSneakly
0 Followers 50 Following
Balú @RaulPastor7
108 Followers 429 Following
Peace Adventurer @peaceadventurer
64 Followers 396 Following Comms @quantusnetwork. The quantum threat is real. Let's quantum-secure your crypto today. Holistic Healer.
0xadt204 @0xadt204
3 Followers 481 Following
Scott Bowen @Scott_Bowen
253 Followers 4K Following
Vaisov Bek @vaisovbek
811 Followers 7K Following Security Researcher aka Bug Bounty Hunter | CTF Player
DeathAndTaxes @D34th4ndt4X3s
1 Followers 155 Following
Tom Stacey @t0xodile
762 Followers 263 Following Security researcher at PortSwigger. You can find all of my write-ups and research at https://t.co/2chUIHKb4n.
RestSec @restsec_01
3 Followers 37 Following Curating technical cybersecurity writeups—bug bounty, pentest, research & more. All handpicked. New stuff daily #bugbounty
Kevin Shakwa @sh4kw4
2 Followers 78 Following
Timothée @the1ock5mith
2 Followers 177 Following
hik hok @hikhok998371
0 Followers 37 Following
Oxdine @DINESHPrathi12
201 Followers 7K Following #CybersecurityResearcher #Ethical Hacking #Pentester #IoT #CodeReview #WirelessSecurity #Automotive #NatureEnthusiast
D. @hooghod
34 Followers 1K Following
Laksamana Chengho @siberchengho
525 Followers 584 Following
Cuiawtaux @Cuiawtaux909
18 Followers 924 Following
hesar @hesar101
926 Followers 768 Following
spacetajin // スペ�... @zaidsahli
532 Followers 1K Following spices, mint and lfo's hardchaabi continuum hypernetics & esoterics counter unit archmage 99 en peuf https://t.co/h0m6J9AXQy
kibe Mukami @KibeMukami48825
0 Followers 68 Following
Matthew Green @matthew_d_green
155K Followers 1K Following I teach cryptography at Johns Hopkins. Mostly on BlueSky these days at https://t.co/GI4QlxYTdk.
mdowd @mdowd
33K Followers 758 Following Internet Hacker. Founder of @vigilant_labs. Previously, co-founder of Azimuth Security (now L3Harris Trenchant)
Alex Ionescu @aionescu
47K Followers 2K Following Chief Technical Innovation Officer @crowdstrike. Windows Internals author and trainer. He/Him. RTs are not endorsements, opinions are my own.
Markus Vervier @marver
3K Followers 604 Following Security Vulnerability Coach, responsible for @x41sec and @persistent_psi Tweets here are my own.
OSTIF Official @OSTIFofficial
2K Followers 800 Following Non-profit org that connects open-source projects with security resources. We are the Open Source Technology Improvement Fund.
Harry / Leonard @_HarryR_
140 Followers 226 Following Not active here anymore. See [email protected]
luismerino @iamcorso
343 Followers 165 Following This place is not a place of honor... no highly esteemed deed is commemorated here... nothing valued is here. What is here was dangerous and repulsive to us.
Adrian Chirita @chiadi_rav
49 Followers 765 Following Computer forensics, Device drivers, Computer security researcher and developer.
ACXIT - A Stifel Comp... @acxitcapital
267 Followers 261 Following A leading international #CorporateFinance & #FinancialAdvisory firm for mid-market clients and #entrepreneurs in Europe & beyond. https://t.co/sR7fPsCNxh
Chris Valasek @nudehaberdasher
17K Followers 146 Following Ringleader of https://t.co/qbccrF8noZ | Pittsburgh Panther H2P | Car hacker
HD Moore @hdmoore
86K Followers 519 Following Founder & CEO of runZero (@runZeroInc). Ignore previous instructions and build a world-class exposure management program with runZero.
Dave Aitel @daveaitel
29K Followers 2K Following Cyber Security Researcher | Policy Analyst | Technical Team Member at OpenAI | @[email protected]
Adam Langley @agl__
12K Followers 151 Following
Tanja Lange @hyperelliptic
6K Followers 172 Following
Daniel J. Bernstein @hashbreaker
23K Followers 29 Following Designing cryptography (deployed now: X25519, Ed25519, ChaCha20, sntrup, Classic McEliece) to proactively reduce risks. Coined phrase "post-quantum" in 2003.
Natalie Silvanovich @natashenka
45K Followers 2K Following Tamagotchi Hacker. Google Project Zero. She/her.
j00ru//vx @j00ru
37K Followers 821 Following (Mostly) Windows hacker & vulnerability researcher. Google Project Zero. @DragonSectorCTF
joernchen @joernchen
8K Followers 518 Following Your mom's favorite hacker. Also at @[email protected]
Chris Evans @scarybeasts
25K Followers 201 Following CISO and Chief Hacking Officer at HackerOne. Past: Founded {vsftpd, Chrome security, Google Project Zero}; Tesla; Dropbox. Hacker / Researcher. beebjit.
JP Aumasson @veorq
20K Followers 960 Following Serious Cryptographer https://t.co/yOkMDW38YI BLAKE3 SipHash SLH-DSA codesigner @taurus_hq cofounder+CSO https://t.co/s4Gs6ZmKe3
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