HackerOne Blog

The latest from HackerOne

Project Glasswing: What We Learned Running a Frontier Model on Our Own Codebase

September 1, 2026

HackerOne ran Anthropic's Mythos 5 model against its own production code. Here's what a critical RCE finding revealed about AI-accelerated security.

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HackerOne employees volunteer during Day of Service

HackerOne’s Spring Day of Service

May 2, 2024

We wasted no time reaching out to HackerOne employees for the inaugural Day of Service...

Security Compliance

Offensive Security

CREST and Pentesting: What You Need to Know

May 2, 2024

Learn the importance of using a CREST-certified and approved security partner for your pentest engagements.

HackerOne and Zoom Select EverythingALS as the Latest Charity For #Hackforgood

May 1, 2024

HackerOne has partnered with Zoom to select EverythingALS as the Hack For Good donation option for ALS Awareness Month.

HackerOne’s Next Stage of Growth

May 1, 2024

I am retiring from HackerOne and have started the search for my successor as CEO of this awesome company.

Hacker discovering prompt injection vulnerability

Exposure Management

How a Prompt Injection Vulnerability Led to Data Exfiltration

April 29, 2024

As the use of GenAI and LLMs has ramped up, so have the vulnerabilities that come with them, and one of the worst is prompt injection.

Lessons Learned from Over a Decade of On-Call

April 26, 2024

Shubhi Gupta shares tips and lessons from 12 years of being an on-call engineer.

Kubernetes — A Journey Has Just Begun

April 26, 2024

Exhausted but hopeful and longing for new horizons, the Infrastructure Team embarked on the "Container Journey."

On Writing Well as a Software Engineer

April 26, 2024

Charlie Kroon discusses tips for good writing to make you a better and more impactful engineer.

Accelerate Find-to-Fix Cycles With Hai

April 25, 2024

You can now streamline and enhance your vulnerability management process with HackerOne’s in-platform GenAI copilot, Hai.