CSO at Robinhood
Joined January 2008
- Tweets 72
- Following 237
- Followers 6,321
- Likes 51
4 Photos and videos
Caleb Sima retweeted
8 Apr 2025
I was a guest on the AI Security Podcast last week! 😊
It's a fun conversation with lots of alpha/future takes. Here's a collection of clips from it. The link to the full episode is in the first reply.
Thanks for the invite @hashishrajan & @csima!
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4 Oct 2024
🌟 SF friends! Vote for my amazing wife Kathy Fang as 2024 San Franciscan of the Year! 🌟
• Chef/owner: House of Nanking & Fang Restaurant
• Cookbook author & TV personality
• Community leader & entrepreneur
• Incredible mom & wife
Vote here: docs.google.com/forms/d/e/1F…
More info: sfexaminer.com/news/the-city…
Make Kathy SF's star of 2024! 🏆
#VoteKathyFang #SFExaminer #HouseOfNanking #Fang
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16 Aug 2023
After a few months of catching up on AI - I have condensed some thoughts on LLMs into a presentation called "Demystifying LLMS and Threats" : youtube.com/watch?v=q_gDtOu1… and I hate just video material so I also turned it into a VERY long post here: medium.com/csima/demystifing…
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Caleb Sima retweeted
17 Jul 2023
Introducing Forager! Check to see if anyone using your company's email domain posted LIVE SECRETS to GitHub and NPM: forager.trufflesecurity.com
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Caleb Sima retweeted
17 Nov 2022
Want to play with an api of a tool that does one thing well?
api.httpx.me/projectdiscover…
#hackwithautomation #bugbounty #appsec
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26 Sep 2022
At @RobinhoodApp we believe the best way to help keep our customers safe is to combine security with a great user experience. That is why we are proud to be one of the first to support Apple's Passkey feature - a step towards a passwordless world.
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13 Sep 2022
Sitting in Joe Sullivan’s trial - every CISO needs to listen to this. Streaming here: cand.uscourts.gov/judges/orr…
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26 Mar 2022
Something unique and thought provoking but also extreme with no grey. That way it generates debate and discussion with no practical outcome
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Caleb Sima retweeted
5 Oct 2021
This is an incredible milestone for Robinhood. 24/7 phone support gives everyone the opportunity to make informed, secure, and timely decisions.
It is a giant step in making the markets more accessible to all. Congrats team!📞☎️📳
blog.robinhood.com/news/2021…
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Caleb Sima retweeted
8 Feb 2021
🥳🥳 WE ARE GOING FULL-TIME. We just secured $1.7mn of funding in our seed round from some amazing people from the security community. Here is the blog —blog.projectdiscovery.io/we-…
#opensource #community #security #announcement
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Caleb Sima retweeted
19 Dec 2020
This is the best security tool released in probably 10 years. Maybe longer.
It’s Nessus—except transparent and automatable—and for AppSec as well.
19 Dec 2020
Using wildcard glob support in nuclei, you can quickly scan for CVEs of specific years, for example, 𝗻𝘂𝗰𝗹𝗲𝗶 -𝘁 '𝗰𝘃𝗲𝘀/𝗖𝗩𝗘-𝟮𝟬𝟮𝟬*' will scan for all the CVEs assigned in 2020 from nuclei templates project.
#nucleitips #hackwithautomation
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Caleb Sima retweeted
24 Nov 2020
Nuclei v2.2 is out, This time — Fuzz all the things
We wrote quick release blog-post to list out few notable additions — blog.projectdiscovery.io/pos…
#hackwithautomation #pentest #bugbounty #appsec #fuzzing
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Caleb Sima retweeted
6 Aug 2020
Answer the question "What is exposed to the internet in my AWS accounts?" #BlackHat2020
github.com/BishopFox/smogclo…
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23 May 2020
All, Please help @myfangalicious out on @FangRestaurant & @HouseofNanking. She is trying to come up with new & unique ideas for the restaurants. Help her out by filling out this survey to help them get back in business. Re-post, share as much as you can.
docs.google.com/forms/d/e/1F…
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6 May 2020
I am in urgent need of a property manager for multiple residential and commercial properties. If you know of anyone that is top notch please connect with me directly
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4 May 2020
psychicpaper | iOS <13.5 sandbox escape/entitlement 0day - this is mind blowing! siguza.github.io/psychicpape…
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1 May 2020
I think I may have just achieved the impossible.. 5 weeks paternity leave just caught up with my team for status - no fires!!, everything working smoothly! I must be dreaming
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