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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Return on Mitigation

Calculate Return on Mitigation (RoM) With Hai

March 13, 2025

Return on Mitigation (RoM) changes that. By calculating the cost savings of fixing vulnerabilities before...

Public Policy

HackerOne Joins Call for Action on AI Third-Party Evaluation and Flaw Disclosure

March 12, 2025

HackerOne has long partnered with the security and AI research communities to advocate for stronger...

Exposure Management

Automate and Accelerate Vulnerability Management with HackerOne & ServiceNow

March 12, 2025

HackerOne’s latest integrations with ServiceNow aim to change this dynamic. Our new integrations with ServiceNow...

Lessons from Crypto Exploits

March 10, 2025

What was once a niche world has gone mainstream, bolstered by celebrity endorsements, grandiose claims...

Offensive Security

H1 AI Red Teaming

How Anthropic’s Jailbreak Challenge Put AI Safety Defenses to the Test

March 3, 2025

Last month, Anthropic partnered with HackerOne to complete an AI red teaming challenge on a...

Offensive Security

Security Compliance

HackerOne News

HackerOne Now Licensed for Penetration Testing in Singapore

March 3, 2025

Cyber threats don’t wait, and neither should your security strategy. Organizations across Singapore are facing...

Security Compliance

Public Policy

The UK’s AI Cyber Security Code of Practice: What It Means for Your Business

February 27, 2025

The Code establishes baseline cybersecurity requirements across the AI lifecycle and is expected to inform...

Return on Mitigation

From the CEO

A Call for a New Cybersecurity Measurement Standard

February 26, 2025

Cybersecurity initiatives provide financial value to organizations. Still, translating the benefits of cybersecurity into dollars and cents has long been a challenge for security teams.

Return on Mitigation

Code Security

H1 Code

The Cost Savings of Fixing Security Flaws in Development

February 25, 2025

There’s no debate that catching and fixing security flaws in development saves time, money, and stress.