@csima

CSO at Robinhood

 San Francisco
Joined January 2008
  • Tweets72
  • Following236
  • Followers6.3K
4Media
you need to buy hamburgers at mcdonalds
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Caleb Sima retweeted
Joseph Thacker
@rez0__
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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🌟 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

San Franciscan of the Year

The Examiner is launching the inaugural San Franciscan of the Year awards, honoring the leaders and stewards of our community. We’ve narrowed down the hundreds of submissions to the top 40 nominees...

docs.google.com
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Caleb Sima retweeted
Dan Guido
@dguido
5 Feb 2024
Between certain staff (e.g., accountant -> CFO), it may make sense to share a secret passphrase to authenticate each other. If you want to get fancy, share a TOTP seed to reduce the risk further.
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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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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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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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Closing arguments today at 8:30am PT for Joe’s trial cand-uscourts.zoomgov.com/j/…
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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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Sitting in Joe Sullivan’s trial - every CISO needs to listen to this. Streaming here: cand.uscourts.gov/judges/orr…

Orrick, William H.

Civil Cases: Judge Orrick sees substantial cost-savings for the parties in continuing the use of Zoom for Case Management Conferences and Law and Motion hearings and will continue to use Zoom for...

cand.uscourts.gov
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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
Vlad Tenev
@vladtenev
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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🥳🥳 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

We are going fulltime — ProjectDiscovery Blog

Most of you probably don't know, but ProjectDiscovery has been maintained in free-time, and we have been doing it so for the past 2 years. It was initially started when we met through the subfinder...

projectdiscovery.io
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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.
Nuclei by ProjectDiscovery
@pdnuclei
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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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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Answer the question "What is exposed to the internet in my AWS accounts?" #BlackHat2020 github.com/BishopFox/smogclo…

GitHub - BishopFox/smogcloud: Find cloud assets that no one wants exposed 🔎 ☁️

Find cloud assets that no one wants exposed 🔎 ☁️. Contribute to BishopFox/smogcloud development by creating an account on GitHub.

github.com
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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…

Takeout/Delivery Survey

Hi Friends, Please help out Fang and House of Nanking by filling out this survey with your most honest feedback. We are looking to launch Takeout/Delivery in the near future and am exploring creative...

docs.google.com
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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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psychicpaper | iOS <13.5 sandbox escape/entitlement 0day - this is mind blowing! siguza.github.io/psychicpape…
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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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