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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Offensive Security

How an IDOR Vulnerability Led to User Profile Modification

October 8, 2024

Learn the ins and outs of IDOR vulnerabilities and how one exploitation led to malicious user profile modification.

Ethical hacker finding broken access control vulnerabilities

Exposure Management

Security Research

How To Find Broken Access Control Vulnerabilities in the Wild

September 30, 2024

Learn the ins and outs of broken access control vulnerabilities and how to find them in your security research.

Offensive Security

You're Doing Pentesting Wrong

September 30, 2024

Pentesting is overdue for a refresh. Leveraging the power of the pentester community and the efficiency of a Pentest as a Service (PTaaS) platform, pentesting can add real value to your organization.

Public Policy

NIS2: Next Step Forward on EU Security Requirements

September 27, 2024

Everything you need to know about the next NIS2 Directive, what it means for you, and how to be compliant.

Code Security

A Guide To Subdomain Takeovers 2.0

September 25, 2024

Learn the ins and outs of understanding subdomain configurations with current resources and tools from an expert security researcher.

How to Streamline Your SDLC With Hai

September 25, 2024

Hai streamlines the SDLC with the tools to maintain consistency, automate tasks, and improve overall efficiency.

How to Accelerate Vulnerability Remediation with Hai

September 19, 2024

Hai, HackerOne's AI security agent, streamlines remediation efforts and accelerates the find-to-fix process.

Exposure Management

Introducing HackerOne Automations

September 16, 2024

Efficiency and accuracy are crucial in vulnerability remediation. Yet, repetitive and manual handling of tasks...

Exposure Management

The Rise of Bug Bounty Programs in S-1 Filings: A New Standard in Corporate Security

September 11, 2024

Learn why more organizations are including their bug bounty programs in S-1 filings and other corporate disclosures.