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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Supporting the Source: Why HackerOne is Upgrading its Free Tools for Open Source

November 14, 2019

Protecting open source is our social responsibility and essential to internet well being. We believe...

Announcing Program Audit Log

November 14, 2019

As our customers’ security teams grow, it’s important for us to sustain their growth with...

Reducing Risk With a Bug Bounty Program

November 11, 2019

Data breaches can cost millions in damages and fines and have a devastating impact on...

U.S. Department of Defense VDP Wins Prestigious 2019 DoD Chief Information Officer Award

November 11, 2019

This guest blog post was contributed by the U.S. Department of Defense (DoD) Cyber Crime...

Code Security

What Belongs in an Effective Code Review Checklist?

November 11, 2019

Photo by NESA by Makers on Unsplash As engineering teams become more established, the need...

Hacking the Singapore Government: A Q&A With A Top Hacker & MINDEF 2.0 Results

November 7, 2019

On Friday, HackerOne announced the results of the second bug bounty challenge with the Ministry...

High-Impact Bugs and How HackerOne customers avoid breach.

8 High-Impact Bugs and How HackerOne Customers Avoided a Breach: Information Disclosure

November 7, 2019

This blog series counts down 8 high-impact vulnerability types, along with examples of how HackerOne...

Scaling Security: From Startup to Unicorn

November 6, 2019

Building a small company’s security team is a unique challenge. Budgets are tight. Hiring is...

Why Laurie Mercer Became a Security Engineer at HackerOne

November 4, 2019

Two years ago, Laurie Mercer joined HackerOne as a security engineer. Before that, he was...