Omer Akgul @_oakgul
Postdoc @CyLab/@S3DatCMU. PhD from @umdcs. cs.cmu.edu/~oakgul/ Joined March 2010-
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If you are a privacy lawyer, please consider participating in our anonymous survey! We'd greatly appreciate your help.
If you are a privacy lawyer, please consider participating in our anonymous survey! We'd greatly appreciate your help.
Evaluation of Ad Transparency Systems (@kevinbryson_, @arthurborem, Moh, @_oakgul, @LauraEdelson2, @christinegeeng, Lauinger, @mmazurek_, McCoy, Ur - @UChicagoCS @umdcs @CyLab @KhouryCollege @nyutandon) #ConPro24 conpro24.ieee-security.org/papers/bryson-…
The @FCC order gets many things right; however, it falls short of addressing several crucial consumer needs. See our (research based) list of suggested changes to substantially improve the label.
The @FCC order gets many things right; however, it falls short of addressing several crucial consumer needs. See our (research based) list of suggested changes to substantially improve the label.
🚀 Announcement: picoCTF 2024 Registration Opens February 1st! 🥳 Attention hackers, coders, and cybersecurity enthusiasts! 🎉 We're thrilled to announce that registration for @CarnegieMellon #picoCTF2024 officially opens on February 1st.
The Swiss Federal Government has adopted a report on ethical hacking referencing two @swisscyberstorm 2023 speakers: @EdOverflow and @_oakgul. Read the report here (in German and French): lnkd.in/dye5-qkY Watch all SCS talks here: youtube.com/@swisscybersto… #SCS23 #bugbounty
Speaking at @swisscyberstorm 2023: @_oakgul: “Bug Hunters’ Perspectives on the Challenges and Benefits of the Bug Bounty Ecosystem” To improve bug bounties, it is important to understand the hunters. Tickets: lnkd.in/eTXQRjnP #SCS23
Speakering at @swisscyberstorm 2023: @_oakgul: “Bug Hunters’ Perspectives on the Challenges and Benefits of the Bug Bounty Ecosystem” To improve bug bounties, it is important to understand the hunters. Program: lnkd.in/d52RpEnH Tickets: lnkd.in/eTXQRjnP #SCS23
FTC seeks research presentations for #privacyCon 2024! March 6 virtual event will focus on research on topics such as #AI, health-related surveillance, and children and teen #privacy: bit.ly/3rtlg8c #privacyCon24
I had a great time. Thanks for letting me pick your brain an a couple followup ideas!
I had a great time. Thanks for letting me pick your brain an a couple followup ideas!
This analysis is perhaps the least convincing of the series (not saying it doesn't have merit). It's the last sentence in the post that's really damning.
This analysis is perhaps the least convincing of the series (not saying it doesn't have merit). It's the last sentence in the post that's really damning.
Graduate students @stack__trace and @_oakgul have been awarded seed grants @CollegeParkMC2 to further their research on misleading VPN advertisements. Learn more: go.umd.edu/42MP4KO
RT appreciated! We (CMU researchers) are looking for Android developers to participate in a 90-min remote interview to test an Android Studio plugin we built for creating accurate data safety labels. #androiddev Compensation: $70. Sign up/more info: cmu.ca1.qualtrics.com/jfe/form/SV_3g…
Whether you trust ExpressVPN or think it's a honeypot, sneaky ad-machines posing as VPN review sites are harmful to users trying to navigate an already opaque industry. Here's my angry-as-hell demand for better VPN reviews -- from me and everyone else.
Whether you trust ExpressVPN or think it's a honeypot, sneaky ad-machines posing as VPN review sites are harmful to users trying to navigate an already opaque industry. Here's my angry-as-hell demand for better VPN reviews -- from me and everyone else.

AISecHub @AISecHub
4K Followers 4K Following 🚀 AISecHub | AI & Cybersecurity | Discussing AI-driven threats, securing AI systems, and sharing insights on emerging challenges 💡
Sarah Sells @SarahSells40270
7 Followers 174 Following Recruiting webshell engineers to penetrate websites, with a monthly salary of up to $100,000. If interested, please contact https://t.co/dMzsLtAHRI
Abdullah Talayhan @talayhan_a
734 Followers 861 Following PhD Student @EPFL_en LASEC. Interested in cryptography.
Clement Fung @clemfung
207 Followers 491 Following 🇨🇦 PhD student @SCSatCMU. Security, Cyber-physical systems, ML. Top 12 finisher at the 2019 PAX Unplugged Crokinole Tournament 🕳️ 🔴👌
Anshuman Srivastava @TweetAnshumaan
374 Followers 6K Following Networking + Cyber Security - Firewalls + Ethical Hacking & Penetration Testing Enthusiast
Aniruddha Mukherjee @annimukh
538 Followers 2K Following papers @ IEEE, ACM | RL at IISc Bangalore | IIT-M BSc & KIITHP @hpimentao
103 Followers 2K Following
Aniketh Girish @__aniketh
418 Followers 1K Following Privacy researcher | PhD Student @IMDEA_Networks
Nalin Arachchilage @DrNalinAsanka
387 Followers 972 Following Associate Professor in Cyber Security and Privacy at RMIT University, Australia @RMIT @RMITComputing
Efrain Reyes @rockysec
329 Followers 308 Following A.K.A. RockySec - Offensive Security Expert | Bug Hunter | Cybersecurity Researcher
KULI @QULIbot
374 Followers 4K Following Cybersecurity | Blogger | Entrepreneur | passionate about technology, venture capitalism, great memes. Always learning 📚 • he/him #infosec
Smile good @GhGhana335326
48 Followers 3K Following
Jacob Wilder @jacobwil
73 Followers 397 Following Threat modeling, cryptography, and security architecture Personal account, personal opinions (often just bread pictures anyways)
Corban Villa @Animcogn
45 Followers 83 Following NYU Abu Dhabi Undergraduate and Research Assistant.
samuel dooley @spamueldooley
518 Followers 554 Following senior research scientist @aiatmeta 🏳️🌈 | prev: @abacusai @umdcs @amazon @uchicago
Adam Doupé @adamdoupe
5K Followers 1K Following Former DEF CON CTF organizer. Associate Professor @ASU. Web, system, and network security. Loves CTFs. Hacks w/ @shellphish. Hosts @ctfradiooo. Open DMs.
Miranda Wei @_weimf
833 Followers 1K Following @uwcse phd candidate (22nd grader). digital security, privacy, safety, and how all of the above are sociotechical. she/they. @mirandawei.bsky.social
Eman Alashwali @ealashwali
913 Followers 874 Following Researcher & Assistant Prof. | DPhil. in Cyber Security from Uni. of Oxford | https://t.co/dDkSRJgxYx | Podcaster @hello_bit_show
Weiran Lin @wellgrowntrees
32 Followers 36 Following Phd student @CyLab @CarnegieMellon Security & ML researcher
biot-sawart-unat @robuno17
71 Followers 988 Following computer science ∇ researcher @CRYPTO_KOC_UNIV
Elisabeth Bik @MicrobiomDigest
143K Followers 45K Following Science integrity consultant, PhD. #ImageForensics Previously @ Stanford and (gasp!) uBiome. https://t.co/3DPRMloSwv. https://t.co/w7myEIVwOk 🇳🇱🇺🇸
cyberfox @cyberfox_meow
80 Followers 1K Following PhD student in cybersecurity. Mastodon: [email protected] Bluesky: https://t.co/NUksh5B4xB
Eleanor @severin_eleanor
270 Followers 3K Following
Dr. Hanan Hibshi @HananHibshi
868 Followers 367 Following A researcher and educator @carnegiemellon who loves security. I tweet in English and Arabic.
Isabel @isabel_totty
551 Followers 3K Following
swisscyberstorm @swisscyberstorm
2K Followers 90 Following Cyber Security Conference #SCS25 / "Resilience in a mad, mad world" / October 28, 2025 / Bern / Cyber Talent Competition / #ECSC2025
Susan Campbell @susangc7
231 Followers 1K Following Cognitive Science and Cybersecurity researcher at University of Maryland, College Park. iSchool cybersecurity cat herder. CMU alum. Shoe aficionado. she/her
Daniel Zappala @Daniel_Zappala
1K Followers 1K Following CS Professor, BYU. Human-centered security. Let’s go hiking or kayaking together.
Hassan, Muhammad @muhassan_
220 Followers 1K Following PhD @iSchoolUI U of Illinois Urbana Champaign | Security, Privacy and Internet Measurement Research | *All opinions my own*
Maxi Soler @MaxiSoler
6K Followers 5K Following CTO @ArtsSEC | Podcasting @securepodcast from Argentina
Franzi Roesner @franziroesner
3K Followers 473 Following Professor in the Paul G. Allen School of CSE @ University of Washington, researching/teaching security & privacy. She/her. Aka @[email protected]
Bailey 🕸🕷🦇 @bkacsmar
700 Followers 617 Following Assistant Professor at the University of Alberta. Amii Fellow. Research: human-centered privacy enhancing computations e.g., ML, MPC, PSI, etc.
Pardis Emami-Naeini @PNaeini
897 Followers 378 Following Assistant Professor and DST Scholar at @dukecompsci Ph.D. @SCSatCMU Prev. @uwcse, @MSFTResearch, @intel
Ernest Rodgers 🇺�... @ernestrodgers82
376 Followers 1K Following Passionate language learner and cybersecurity enthusiast, champions Democratic causes and supports charitable efforts while vibing to music legends.
Jaron Mink @JaronMink
519 Followers 355 Following Asst. Professor @SCAI_ASU | PI @ the https://t.co/egyXKDOubl | PhD from @IllinoisCS | @NSF GRFP Fellow Secure Human-AI Interaction, Human Factors in Sec
SB @Sanbel006
602 Followers 631 Following
Weijia He @he_weijia
107 Followers 159 Following Assistant Prof. / Lecturer @unisouthampton Research: usable security & privacy, smart home
Vahab Jabrayilov @vjabrayilov7
172 Followers 2K Following CS PhD student @Columbia | Computer Systems
Veronica Rivera @veronrivera
389 Followers 573 Following Incoming asst. professor @GeorgiaTech, postdoc @maxplanckpress digital safety, security, HCI, privacy Prev: @ucsc @harveymudd @mpi_sws @StanfordHAI @StanfordE
Daniel Votipka @drvotipka
517 Followers 233 Following @TuftsCS professor. @umdcs Alum. Member of @CollegeParkMC2 lab. Interested in usable security and software vulnerability discovery.
Kamangu Kmg @KamanguKmg
250 Followers 3K Following Prompt Artist ⛓ Creating Value Through Optimizing Solutions. VC Scholar
PRISM @NSFPRISM
70 Followers 410 Following The Center for Privacy & Security for Marginalized & Vulnerable Populations (PRISM)
Andy Zou @andyzou_jiaming
4K Followers 67 Following PhD student at CMU, working on AI Safety and Security
Clement Fung @clemfung
207 Followers 491 Following 🇨🇦 PhD student @SCSatCMU. Security, Cyber-physical systems, ML. Top 12 finisher at the 2019 PAX Unplugged Crokinole Tournament 🕳️ 🔴👌
Dylan Sam @dylanjsam
802 Followers 465 Following phd student @mldcmu | past: student researcher @GoogleAI, intern @AmazonScience, undergrad @BrownUniversity
Tom Goldstein @tomgoldsteincs
27K Followers 2K Following Professor at UMD. AI security & privacy, algorithmic bias, foundations of ML. Follow me for commentary on state-of-the-art AI.
John P Dickerson @johnpdickerson
2K Followers 425 Following CEO @MozillaAI | Prev: co-founder @itsArthurAI, Prof @umdcs | PhD @SCSatCMU. Optimist focusing on open source AI 🌎.
Ian Goodfellow @goodfellow_ian
346K Followers 1K Following DeepMind Research Scientist. Opinions my own. Inventor of GANs. Lead author of https://t.co/M6vl8pEQ4I Founding chairman of @pubhealthaction
craig newmark @craignewmark
89K Followers 5K Following craigslist founder & CSR, not management since 2000, https://t.co/MgiGNQGJ9H
Zico Kolter @zicokolter
23K Followers 680 Following Professor and Head of Machine Learning Department at @CarnegieMellon. Board member @OpenAI and @Qualcomm. Chief Technical Advisor @GraySwanAI.
samuel dooley @spamueldooley
518 Followers 554 Following senior research scientist @aiatmeta 🏳️🌈 | prev: @abacusai @umdcs @amazon @uchicago
Adam Doupé @adamdoupe
5K Followers 1K Following Former DEF CON CTF organizer. Associate Professor @ASU. Web, system, and network security. Loves CTFs. Hacks w/ @shellphish. Hosts @ctfradiooo. Open DMs.
Eman Alashwali @ealashwali
913 Followers 874 Following Researcher & Assistant Prof. | DPhil. in Cyber Security from Uni. of Oxford | https://t.co/dDkSRJgxYx | Podcaster @hello_bit_show
Summer Lee @SummerForPA
72K Followers 2K Following HBCU alum. Congresswoman representing #PA12. She/her #AllPowerToThePeople
Laura Edelson @LauraEdelson2
11K Followers 453 Following Assistant Professor, Northeastern University Co-Director, C4D Formerly: Chief Technologist, DoJ Antitrust Division, DOJ Civil Rights Division
Carnegie Mellon ECE @CMU_ECE
6K Followers 545 Following Department of Electrical and Computer Engineering at CMU. Known for innovative qualities, bold ideas, and unbridled enthusiasm. #cmuece
Weiran Lin @wellgrowntrees
32 Followers 36 Following Phd student @CyLab @CarnegieMellon Security & ML researcher
Kashmir Hill @kashhill
254K Followers 2K Following Privacy pragmatist. @nytimes journalist. Author of YOUR FACE BELONGS TO US. Named after the Led Zeppelin song.
Elisabeth Bik @MicrobiomDigest
143K Followers 45K Following Science integrity consultant, PhD. #ImageForensics Previously @ Stanford and (gasp!) uBiome. https://t.co/3DPRMloSwv. https://t.co/w7myEIVwOk 🇳🇱🇺🇸
picoCTF @picoctf
11K Followers 284 Following picoCTF is the fun, free way to learn and practice cybersecurity. Created by security and privacy experts at @CarnegieMellon.
Mandiant (part of Goo... @Mandiant
127K Followers 4K Following We’re determined to make organizations secure against cyber threats and confident in their readiness.
Jonathan AC Brown @JonathanACBrown
77K Followers 885 Following Professor of Islamic Civilization @ Georgetown University, SFS, @ACMCU; https://t.co/aXIunGznsm Views my own, not those of Georgetown U
Sajid @sajidonly
194 Followers 2K Following Applied Scientist @Google {@googlecloud + @Mandiant} | Research 🔛 Security & Privacy🛡️🎭 ∩ DL🧠 ∩ HCI 🧩| Ph.D @UFCISE, @uf_fics 🐊 Opinions are mine
Christian Folini @ChrFolini
3K Followers 999 Following Author of the #ModSecurity Handbook 2ed, forme OWASP @CoreRuleSet project co-lead and trainer. Program chair @SwissCyberStorm and board National Cyber Strategy
Ed @EdOverflow
20K Followers 161 Following Web developer & security researcher. Senior Pentester @cure53berlin. Author of @securitytxt. ➡️ https://t.co/BOy1tiLLBr
Dr. Hanan Hibshi @HananHibshi
868 Followers 367 Following A researcher and educator @carnegiemellon who loves security. I tweet in English and Arabic.
CMU Software and Soci... @S3DatCMU
3K Followers 211 Following CMU's Software and Societal Systems Dept is a leader in research and education in software engineering, privacy & security, and societal computing.
CyLab @CyLab
10K Followers 2K Following CyLab is @CarnegieMellon's Security & Privacy Institute. Our 300+ researchers are passionate about creating a world in which technology can be trusted.
CMU School of Compute... @SCSatCMU
48K Followers 765 Following The School of Computer Science at @carnegiemellon is one of the world's premier institutions for computer science research and education.
Anonymous @YourAnonOne
1.7M Followers 138 Following We are Anonymous. We are legion. We do not forgive. We do not forget. Expect us. News. CULT.
swisscyberstorm @swisscyberstorm
2K Followers 90 Following Cyber Security Conference #SCS25 / "Resilience in a mad, mad world" / October 28, 2025 / Bern / Cyber Talent Competition / #ECSC2025
Operation Zero @opzero_en
6K Followers 0 Following The only Russian-based zero-day vulnerability purchase platform.
Troy Hunt @troyhunt
241K Followers 1K Following Creator of @haveibeenpwned. Microsoft Regional Director. Pluralsight author. Online security, technology and “The Cloud”. Australian.
Grant Ho @granthotweet
639 Followers 337 Following Assistant Professor at @UChicagoCS. Previously: Postdoc @UCSD_CSE, PhD @UCBerkeley, @nsfgrfp & @Facebook fellow. He/Him.
Louis Nyffenegger @snyff
20K Followers 590 Following Founder/CEO/Trainer/Researcher/CVE archeologist @PentesterLab. Security engineer. Bugs are my own, not of my employer...
Mohamed Moustafa @mohamedmustfaaa
5K Followers 5K Following CSE PhD Student @ucsc 🇺🇸| 🇪🇬 باحث دكتوراه في علوم الحاسوب بأمريكا وأحيانًا ببحث عن ذاتي وأهي ماشية بستر الله.
Bailey 🕸🕷🦇 @bkacsmar
700 Followers 617 Following Assistant Professor at the University of Alberta. Amii Fellow. Research: human-centered privacy enhancing computations e.g., ML, MPC, PSI, etc.
James Kettle @albinowax
79K Followers 92 Following Director of Research at PortSwigger aka Burp Suite. Find my research, tools & contact details at https://t.co/vP6UbGmvl3
Arjun Arunasalam @ArjunArunasalam
357 Followers 667 Following Assistant Professor @FIUSCIS | Formerly, Ph.D. @PurSecLab at @PurdueCS | Security and Privacy
Bug Bounty Reports Ex... @gregxsunday
52K Followers 616 Following Grzegorz Niedziela - a hacker who documents his hacking journey by creating and curating the best content about bug bounty and offensive security.
Michael A. Specter �... @mspecter
1K Followers 496 Following Professor @gtcomputing | Research Scientist @google | PhD in EECS from @MIT | https://t.co/udpkL7Rg3J | https://t.co/hCVAqC2bG3
Jaron Mink @JaronMink
519 Followers 355 Following Asst. Professor @SCAI_ASU | PI @ the https://t.co/egyXKDOubl | PhD from @IllinoisCS | @NSF GRFP Fellow Secure Human-AI Interaction, Human Factors in Sec
zhassulan zhussupov @cocomelonckz
3K Followers 124 Following cybersecurity enthusiast, author. speaker, mathematician. Love my wife and kids. Author of MD MZ, MalWild and Maldev for Ethical Hackers (2022-2024) books.
vx-underground @vxunderground
368K Followers 290 Following The largest collection of malware source code, samples, and papers on the internet. Password: infected
Pardis Emami-Naeini @PNaeini
897 Followers 378 Following Assistant Professor and DST Scholar at @dukecompsci Ph.D. @SCSatCMU Prev. @uwcse, @MSFTResearch, @intel
Julio Poveda @juliopovedacs
56 Followers 251 Following Ph.D. student @umdcs @hcil_umd | Cybersecurity and privacy researcher