HackerOne Blog

The latest from HackerOne

When Discovery Is Cheap, Validation Is Priceless for Reducing Risk

March 26, 2026

AI is making vulnerability discovery cheap. CTEM only reduces risk when teams validate exploitability, remediate, and retest to prove fixes hold.

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AI Red Teaming

Inside the AI Red Teaming CTF: What 200+ Players Taught Us About Breaking and Defending LLMs

October 23, 2025

200+ players, 10 days, 11 challenges. See what the HackerOne × Hack The Box AI red teaming CTF uncovered about breaking and defending LLMs.

Hai

When Every Minute Counts: How Agentic AI Accelerates Exposure Prioritization

October 22, 2025

Hai redefines exposure prioritization through agentic AI, validating vulnerabilities, ranking critical risks, and cutting time to response.

Hai

Agentic AI: The Future of Exposure Management

October 15, 2025

Agentic AI transforms exposure management. Learn how HackerOne’s Hai system streamlines validation, speeds remediation, and strengthens security teams.

AI Security Risks and Vulnerabilities Enterprises Can’t Ignore

September 30, 2025

Indirect prompt injection, supply chain risks, and data exposure show why AI security is now a board-level issue for enterprises adopting AI.

Public Policy

Pentest as a Service

CMMC 2.0 Final Rule: What Defense Contractors Need to Know

September 25, 2025

The DoD has finalized CMMC 2.0. Learn what contractors must do to stay compliant with the new rule taking effect November 10, 2025.

Hai

Stronger Together: Embracing AI as a Force Multiplier

September 19, 2025

AI is reshaping security research. Learn how humans and AI work together as force multipliers to uncover deeper vulnerabilities and strengthen defenses.

AI Red Teaming

AI Security 101: What is AI Red Teaming?

September 17, 2025

Learn what AI red teaming is, why it matters, and how it helps organizations secure AI systems against adversarial attacks and misuse.

HackerOne News

HackerOne Introduces the New Hacker Milestone Rewards Program

September 10, 2025

Learn about the new Hacker Milestone Rewards Program. Earn points, unlock rewards, and celebrate every valid contribution.

Culture & Talent

HackerOne News

Empowering Women in Cybersecurity: Register for the 2025 Glass Firewall Conference

September 8, 2025

Join HackerOne, Capital One, GitHub & Salesforce on Oct 23, 2025 in Austin for Glass Firewall, an inclusive cybersecurity conference for women. Register free today!