Sam Collinson @_rezin_
ginfluencer Auckland, New Zealand Joined August 2009-
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Writeup for CVE-2025-24085, an ITW mediaplaybackd vulnerability patched earlier this year github.com/b1n4r1b01/n-da…
🔺iPhone models announced today include Memory Integrity Enforcement, the culmination of an unprecedented design and engineering effort that we believe represents the most significant upgrade to memory safety in the history of consumer operating systems. security.apple.com/blog/memory-in…
Brief info and POC for this week's Apple 0click iOS 18.6.1 RCE bug CVE-2025-43300 github.com/b1n4r1b01/n-da…
A new tool: Slice 🔪 With the help of build-free CodeQL and Tree-Sitter, Slice can help GPT-5 can reliably reproduce discovery of CVE-2025-37778: use-after-free vulnerability in the Linux kernel! noperator.dev/posts/slice/
Linux >=6.4: epoll: UAF via race between ep_eventpoll_release() and eventpoll_release_file() because mutex_unlock() is not ownership-drop-safe project-zero.issues.chromium.org/issues/4305416…
Do a PhD in a field you are passionate about and you’ll never work a day in your life, because there are no jobs.
Just released a short writeup for the A9 version of the Trigon exploit, which involves getting code execution on a coprocessor before exploiting the kernel - enjoy! alfiecg.uk/2025/07/16/Tri…
What does it take to hack a @Sonos Era 300 for Pwn2Own? Take a look at our process of adapting existing research, establishing a foothold, and exploiting media parsers for unauthenticated RCE over the network🔥👇 blog.ret2.io/2025/06/11/pwn…
My writeup on CVE-2025-31200. This ones an interesting one blog.noahhw.dev/posts/cve-2025…. thanks to @bellis1000 for the shoutout.
'Blasting Past iOS 18', more like 'Getting blasted away by iOS 18' my first and last blog post on the @dfsec_com blog, where I tried to summarise my @0x41con 's talk in the form of a blog. You can find the non-fancy markdown version here: github.com/dfsec/dfsec.gi…
'Blasting Past iOS 18', more like 'Getting blasted away by iOS 18' my first and last blog post on the @dfsec_com blog, where I tried to summarise my @0x41con 's talk in the form of a blog. You can find the non-fancy markdown version here: github.com/dfsec/dfsec.gi… https://t.co/xm9dJb9Ajw
My LLM command-line tool and Python library now has support for tool calling! You can define tools as Python functions or bundle them in plugins, and LLM can then make them available to models. OpenAI, Anthropic, Gemini and Ollama are supported so far. simonwillison.net/2025/May/27/ll…
hello, it is me, the only person that isn’t at offensive con!
Thrilled to announce my new Project Zero blog post is LIVE! 🎉 I detail my knowledge-driven fuzzing process to find sandbox escape vulnerabilities in CoreAudio on MacOS. I'll talk about this and the exploitation process next week @offensive_con! googleprojectzero.blogspot.com/2025/05/breaki…
ida_kernelcachd_ng released github.com/gilboz/ida_ker… Getting -24,000 vmethod symbols on latest kernelcache! As mentioned it is still a WIP, if you encounter issues then submit them and ill fix on my free time! Contributions are welcome!!
I've just published a new blog post detailing how I developed a deterministic kernel exploit for iOS. Enjoy! alfiecg.uk/2025/03/01/Tri…
I tweeted before about the Apple CoreAudio issues found by Google TAG. Well, the fuzz harness used to find these issues is now included in Jackalope examples, see github.com/googleprojectz… . Happy fuzzing! :)
I tweeted before about the Apple CoreAudio issues found by Google TAG. Well, the fuzz harness used to find these issues is now included in Jackalope examples, see github.com/googleprojectz… . Happy fuzzing! :)
I gave a day 1 closing keynote at DistrictCon yesterday. Surprisingly, it was a security talk about memory safety. Slides are here: docs.google.com/presentation/d…
This is the current status for arm64 devices - it sets up physical R/W, finds kernel base via MMIO and deduces some information about the kernel. There are still a few obstacles that make virtual read/write difficult (mainly where we can read/write), but they’re being worked on.
This is the current status for arm64 devices - it sets up physical R/W, finds kernel base via MMIO and deduces some information about the kernel. There are still a few obstacles that make virtual read/write difficult (mainly where we can read/write), but they’re being worked on. https://t.co/512duP1tXy

mdowd @mdowd
32K Followers 746 Following Internet Hacker. Founder of @vigilant_labs. Previously, co-founder of Azimuth Security (now L3Harris Trenchant)
thaddeus e. grugq @thegrugq
128K Followers 418 Following Hacker :: PhD researcher @warstudies @KingsCollegeLon :: [email protected] :: PGP https://t.co/dYipV8y3bo
not here; find me els... @ElleArmageddon
28K Followers 3K Following find me on bluesky or linkedin; i’m never coming back
🌻мара-яга¹ @marasawr
5K Followers 279 Following ¹ OG citation wizard; baddie-bonking femme them. Fmr cyber policy meganerd. the⟦y|m⟧ 🏳️⚧️ https://t.co/9ZBG9QgIEZ🦣 https://t.co/lzRk1ZO3K8
Fobski @Fobski
727 Followers 588 Following Has seen some shit. Undisputed infosec thought leader world champion. Aggressively casual in nature.
bogan @bogan
3K Followers 2K Following Security nerd and owner of ZX Security, Kiwicon/Kawaiicon organiser, OSINT, Datsun 120Y. He/him
J u h a @juhasaarinen
13K Followers 12K Following Technology journalist. Find me on @juha.bsky.social as Twitter seems to be listing badly.
Matthew Garrett (@mjg... @mjg59
27K Followers 277 Following Not here. Fedi: @[email protected] Bsky: @mjg59.eicar-test-file.zip Signal: @mjg.59 Blog: https://t.co/CVivdtMBWe
Shlee's New Phase - @... @Shleeable
779 Followers 942 Following Teacher, Mother, Lover 📧 [email protected] He/They
Katie🌻Moussouris (... @k8em0
110K Followers 10K Following @LutaSecurity CEO @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, hacker @k8em0.bsky.social Legacy blue check
Tracy 💎 ✨ @hackerpinup
2K Followers 704 Following Bug Huntress and Embedded dev. Actress. Singer. Bikini fitness competitor. Pole dancer. 🏙 nyc. she/her
Silvio Cesare @silviocesare
11K Followers 1K Following CTO of @infosectcbr. Co-founder of @bsidescbr. Still hacking.
cje @caseyjohnellis
29K Followers 4K Following troublemaker & troubleshooter | founder @bugcrowd @disclose_io, board advisor, investor | pioneer of #bugbounty as-a-service | opinions CC0 1.0 | #hacktheplanet
Natmate and the catma... @NatDudley
3K Followers 1K Following I think if we all kept quiet for a while we might hear something. CDO/CPO @FigureNZ 🏳️🌈 & disabled - hEDS/ADHD A complete list of things you can ’splain to me:
Mobile Security @SecureSwipe
4 Followers 170 Following
Bao Ngo @b4orvn259
0 Followers 161 Following
Lindsey Burch @LBurch56740
0 Followers 12 Following
Aaron Blake @Crypt0blake
23 Followers 1K Following An Engineer. Loving to know how things work. Keep asking wrong questions and going too far for answers.
dev0x41 @d3v0x41
2 Followers 67 Following
Amelia @MireyaGutm38202
13 Followers 267 Following
TobeyAlsopp @u29L2yZg540lkoS
82 Followers 2K Following
Thareth @TharethdrRL
30 Followers 4K Following
Leeseythir @LeeseythirS_lf
54 Followers 5K Following
Cybertection LLC (Jos... @Cyberjoe2050
532 Followers 7K Following Cybertection is your choice for all security software, but our specialty is always going to be antivirus software. We are your digital bodyguard.
Noughez @noughez40837
65 Followers 4K Following
Nixsec @nixsec
7 Followers 117 Following
oscar @oscar1542653720
3 Followers 83 Following
Billy Cart @billycartpop
27 Followers 171 Following
Mary @alba_mary89
317 Followers 3K Following
Ivan Vanderbyl @ivanderbyl
2K Followers 3K Following building intelligent automation for pro-services at @alcovaai. Exited a few companies. Enjoy the ride.
Joshua Hill @p0sixninja
133K Followers 2K Following CTO/Co-Founder VivaSecuris. Supervillain Mad Scientist Hacker. 🥷 Chaotic Neutral
GH @geraldshall
2 Followers 310 Following
Lewis @lewis6719023
15 Followers 102 Following Makes easy things on computers look hard - Opinions are my own
𝓓ᵉⓥ𝐎ⓝ Ǥ�... @DasMeDevon
502 Followers 909 Following Just trying to reach that upper level — where your mind body and soul become one 🤌🤌🤌
Yash Gupta @Yash3667
227 Followers 753 Following Security Engineer at the Fruit company. Opinions are entirely my own.
Angelos T. Kalaitzidi... @0xShad3
378 Followers 710 Following RE / VR & Intense Coffee Consumption. He/Him. Opinions are my own . Curr: iOS . Past: Hypervisors.
mikecotic @mikecotic
265 Followers 2K Following
bluescreen @___bluescreen
12 Followers 225 Following
Antoine @fileintegrity
2K Followers 286 Following UIKit Intern @ Apple | Award-winning breather of oxygen
Matt Holland @notnotaspy
2K Followers 143 Following Founder and CEO of @fieldeffectsoft - Co-Founder of Linchpin Labs (now @TrenchantARC) - opinions are my own, and likely wrong
Dennis Elser @sdkboi
1K Followers 387 Following
Gryff & Lily’s Dad ... @AndrewOfYFC
1K Followers 2K Following Software dev living in YFC. Husband & dad. Avid crossfit'er, runner and biker. I also enjoy BBQ :) Strava: https://t.co/OUkXY1RH4h
[email protected]... @daviddiaul
876 Followers 3K Following Security Guy. All posts are my own and do not represent the opinions of my employer etc. @[email protected]
chompie @chompie1337
83K Followers 1K Following hacker, weird machine mechanic, X-Force Offensive Research (XOR)
mdowd @mdowd
32K Followers 746 Following Internet Hacker. Founder of @vigilant_labs. Previously, co-founder of Azimuth Security (now L3Harris Trenchant)
Zhuowei Zhang @zhuowei
33K Followers 187 Following link in bio ⬛⬛⬛⬛⬛🟩🟩🟩🟩🟩🟩 ⬛⬛⬛⬛🟩🟩🟩🟩🟩🟩🟩🟩 ⬛⬛🟧⬛🟩🟫🟫🟫🟫🟫🟫🟩 ⬛⬛🟧⬛🟫🟫🟫🟫🟫🟫🟫🟫 ⬛⬛🟧🟧🟫🟧🟩🟧🟧🟩🟧🟫🟧 ⬛⬛🟧🟧🟫🟧🟫🟧🟧🟫🟧🟫🟧 ⬛⬛⬛🟧🟧🟧🟧🟧🟧🟧🟧🟧🟧 ⬛⬛⬛🟩🟩🟧🟧🟫🟫🟧🟧🟩🟩 ⬛🟫🟫🟫🟫🟫🟧🟧🟧🟧🟩🟩🟫 🟫🟫🟧🟫🟫🟫🟫🟩🟩🟩🟩🟩🟧 🟫🟧🟧🟧🟫🟫🟧🟫🟫🟩🟩🟧🟧
thaddeus e. grugq @thegrugq
128K Followers 418 Following Hacker :: PhD researcher @warstudies @KingsCollegeLon :: [email protected] :: PGP https://t.co/dYipV8y3bo
RPW: @[email protected]... @esizkur
8K Followers 892 Following
not here; find me els... @ElleArmageddon
28K Followers 3K Following find me on bluesky or linkedin; i’m never coming back
🌻мара-яга¹ @marasawr
5K Followers 279 Following ¹ OG citation wizard; baddie-bonking femme them. Fmr cyber policy meganerd. the⟦y|m⟧ 🏳️⚧️ https://t.co/9ZBG9QgIEZ🦣 https://t.co/lzRk1ZO3K8
Halvar Flake @halvarflake
44K Followers 3K Following Choose disfavour where obedience does not bring honour. I do math. And was once asked by R. Morris Sr. : "For whom?" @[email protected]
Vigilant Labs @vigilant_labs
3K Followers 3 Following Official account of Vigilant Labs (https://t.co/PzW4HkfAwd).
Fobski @Fobski
727 Followers 588 Following Has seen some shit. Undisputed infosec thought leader world champion. Aggressively casual in nature.
bogan @bogan
3K Followers 2K Following Security nerd and owner of ZX Security, Kiwicon/Kawaiicon organiser, OSINT, Datsun 120Y. He/him
lcamtuf @lcamtuf
38K Followers 497 Following Substack: https://t.co/yFvmNisGW3 Homepage: https://t.co/iFAXZxCO5H
Brandon Edwards @drraid
5K Followers 1K Following CTO @crashappsec. Past: Cofounder and Chief Scientist @capsule8, Hacker-in-Residence @NYUTandon, and other research, reverse-engineering, and exploit dev roles.
Matthew Garrett (@mjg... @mjg59
27K Followers 277 Following Not here. Fedi: @[email protected] Bsky: @mjg59.eicar-test-file.zip Signal: @mjg.59 Blog: https://t.co/CVivdtMBWe
Saagar Jha @_saagarjha
5K Followers 158 Following
Mari0n @pinkflawd
11K Followers 591 Following nutcracker by heart • tweets are my own, but if someone wants to buy them.. errr kidding
bluescreen @___bluescreen
12 Followers 225 Following
noah @noahhw4646
454 Followers 190 Following Interested in philosophy of mind, iOS security research, hardware
Michael DePlante @izobashi
4K Followers 740 Following Security Researcher at the Zero Day Initiative. DMs open.
Bill Gurley @bgurley
720K Followers 2K Following VC @benchmark, Investor: @grubhub, @zillow, @uber, @stitchfix, @nextdoor, @glassdoor, @hacker0x01, @solvhealth, @instawork Trustee @sfiscience, Podcast: @bg2pod
Meysam @R00tkitSMM
11K Followers 732 Following
TheRealClarity @imnotclarity
612 Followers 31 Following Sometimes maybe good sometimes maybe shit jailbreak developer
@jason @Jason
1.0M Followers 6K Following first investor in https://t.co/M6cblbFld9 Host: @twistartups @theallinpod; I also invest in 100 startups a year @launch & @founderuni [email protected] for life
emma @carrot_c4k3
4K Followers 281 Following cyber torture pioneer. bug bounty billionaire. most controversial pwn2own winner (contested). en🇺🇸/ru🇰🇿. she/her 🏳️⚧️
Joseph Ravichandran @0xjprx
4K Followers 546 Following PhD Student studying Microarchitectural Security @MIT
风沐云烟 @binary_fmyy
559 Followers 41 Following
guyru @guyru_
1K Followers 528 Following Vulnerability research, cryptography, FOSS, finance and random stuff. Leading @cellebrite's iOS research.
Yarden H @yarden_ha
167 Followers 294 Following
Boris Larin @oct0xor
18K Followers 657 Following Former console hacker (PS3/PS4). Hunting in the wild 0-days at Kaspersky GReAT. All tweets are my own.
osy @DontStealMacOSY
527 Followers 42 Following
p0up0u @_p0up0u_
2K Followers 0 Following
Lewis @lewis6719023
15 Followers 102 Following Makes easy things on computers look hard - Opinions are my own
Ian Roos @ian_roos
494 Followers 662 Following Hacker | Friend of RPISEC | Cat Advocate | Margin Research | Pwnies
Pete Markowsky @PeteMarkowsky
745 Followers 578 Following Cofounder & CEO @northpolesec Prev: @google working on Security Agents including Santa. Cofounder and Chief Architect @capsule8 (tweets are my own.)
Casey Newton @CaseyNewton
199K Followers 961 Following Writing @platformer. Co-hosting Hard Fork @nytimes. Posting good tweets to Instagram stories @crumbler. [email protected] | https://t.co/9KuJb8XCrr
Kevin Roose @kevinroose
168K Followers 3K Following NYT tech columnist, Hard Fork co-host, high-perplexity language model. Writing a book about AGI.
Richard Zhu @RZ_fluorescence
6K Followers 38 Following
dozer @dozernz
977 Followers 498 Following 🇳🇿 hacker / "security researcher" / pentester / redteam / bug bounty. tweets are individual capacity
[email protected]... @daviddiaul
876 Followers 3K Following Security Guy. All posts are my own and do not represent the opinions of my employer etc. @[email protected]
Angelos T. Kalaitzidi... @0xShad3
378 Followers 710 Following RE / VR & Intense Coffee Consumption. He/Him. Opinions are my own . Curr: iOS . Past: Hypervisors.
Csaba Fitzl @theevilbit
8K Followers 1K Following macOS Security -- Trail running 🏃 -- Mountains ⛰ -- Tolkien fan For mountain pictures, go to: https://t.co/Xf7KDW5fKu
Armin Ronacher ⇌ @mitsuhiko
60K Followers 837 Following Creator of Flask; A decade at @getsentry; Building new things — love API design & AI. Bypassing Permissions. Husband and father of 3 — “more nuanced in person”
Byte Swap @byte_swap
256 Followers 567 Following
Azeria @Fox0x01
122K Followers 597 Following Sneaky bit flipper | CEO @azeria_labs | Author of “Arm Assembly Internals & RE” @BlueFoxBook | Adjunct Professor @SAISHopkins | Forbes 30u30
Brock York @Yaspoon
63 Followers 297 Following Computer Scientist/Programmer, Linux lover and tries to make games in my spare time.
Dennis Elser @sdkboi
1K Followers 387 Following
DoronZ @doronz88
561 Followers 60 Following Cyber security researcher. Currently focusing on iOS. Developer of: #pymobiledevice3 #hilda #harlogger #RpcProject #cfprefsmon #fa