Q1 2025 Web3 Security ReportAccess control failures led to $1.63 billion in losses
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The Hacken 2025 Half-Year Web3 Security Report Is Out

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$3.1 billion lost in just six months.
DeFi’s worst quarter since early 2023.
A surge in social engineering and AI-driven attacks.

Hacken’s 2025 Half-Year Web3 Security Report is now available — and it’s open to the public.

This report dives into the hacks, scams, vulnerabilities, and trends that shaped the first two quarters of 2025 — including insights from our real-time monitoring, audit findings, and threat research across DeFi, CeFi, and the growing AI integration layer.


Key Insights from H1 2025

  • $3.1 billion lost across Web3 in H1 2025 — already surpassing all of 2024
  • $1.83 billion drained via access control exploits, mostly in Q1
  • Phishing and social engineering schemes spiked to $600 million
  • Smart contract bugs caused ~$263M in damages — DeFi’s worst quarter since early 2023
  • AI-related exploits surged 1,025%, mostly from insecure APIs and vulnerable inference setups
  • First major Uniswap V4 hook exploit resulted in a $12M loss

👉 Download the Full Report (PDF)

Why It Matters

2025 has been a wake-up call for the industry.

“Cybersecurity is no longer just a technical safeguard — it’s a core business function,” — Yevheniia Broshevan, Hacken Co-Founder & CBDO

With institutional adoption growing and regulatory frameworks like MiCA and the EU AI Act moving into enforcement, project teams must go beyond one-off audits. They need continuous monitoring, automated defense, and aligned governance.

Powering Informed Decision-Making

Whether you're building a DeFi protocol, securing exchange infrastructure, or preparing for licensing, this report gives you:

  • Clear threat intelligence backed by real data
  • Case-based learnings from the most damaging breaches
  • Practical recommendations for detection, response, and governance

📄 Access the Full 18-Page Report (Free PDF)

Table of contents

  • Key Insights from H1 2025
  • Why It Matters

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