Hire us to red team your AI
"Calif successfully breached security to reach critical assets, providing us with invaluable insights to lock down our environment. I highly recommend Calif to any organization serious about identifying and fixing security flaws"
Jason Clinton
CISO, Anthropic
"Calif simulated an attack by a determined sophisticated threat actor, testing our detection capabilities over weeks. The results are invaluable recommendations how to harden our infrastructure and applications even more"
Robert Kugler
Head of Security & Compliance, Cresta AI
"I can’t recommend Calif enough. Absolute super company, highly skilled, experienced and professional. Go read about Thai and his team."
Graham Calladine
Security Engineering Manager, Snap Inc.
"Calif successfully breached security to reach critical assets, providing us with invaluable insights to lock down our environment. I highly recommend Calif to any organization serious about identifying and fixing security flaws"
Jason Clinton
CISO, Anthropic
"Calif simulated an attack by a determined sophisticated threat actor, testing our detection capabilities over weeks. The results are invaluable recommendations how to harden our infrastructure and applications even more"
Robert Kugler
Head of Security & Compliance, Cresta AI
"I can’t recommend Calif enough. Absolute super company, highly skilled, experienced and professional. Go read about Thai and his team."
Graham Calladine
Security Engineering Manager, Snap Inc.
Our Services
Red Teaming
Because sometimes the best defense is a good offense.
It's not a matter of if you'll get breached, but when. Attackers only need one way into your systems, and it's inevitable they'll find it. You must have the ability to detect, respond, contain, and recover from that breach.
Our red team helps you do this: we will not only help find those ways into your systems, but also test and refine your ability to detect and respond to an attack.
Red Teaming
Because sometimes the best defense is a good offense.
Security Engineering
{Safe, Fast, Easy} — We help you choose three.
Security, while critical for user trust, usually gets in the way, making things slower and less usable.
We specialize in eliminating this false dichotomy between security and usability, helping you build security technologies that not only mitigate risks but also delight your customers with products that are safe, fast, and easy to use.
Security Engineering
{Safe, Fast, Easy} — We help you choose three.
Cryptography Consulting
We do math to help you use cryptography correctly.
Cryptography, while incredibly powerful, is difficult to implement correctly. Any mistakes are catastrophic.
We're offering our proven expertise in math and engineering to make your crypto correct and efficient.
Cryptography Consulting
We do math to help you use cryptography correctly.
Digital Forensics
Got breached? Call us to make sure it won't happen again.
It's okay to get breached. But it's not okay to not learn from it. You must have the ability to figure out what happened, and how to make sure it won't happen again.
Our detectives help you do this: we combine critical thinking with a deep understanding of the attacker's mindset to uncover even the most hidden evidence and bring justice to every case.
Digital Forensics
Got breached? Call us to make sure it won't happen again.
Trusted by Top Firms
Why Us
We're a diverse group of award-winning hackers and builders, with decades of experience hacking and defending some of the most important software products on Earth.
We don't just hack, we turn security into a competitive moat, by making your products safer, faster, easier.
We do our part in making the world a safer place for everyone, by defending non-profit organizations, hospitals, and the world's forces for good.
Our Experts in the Media
