---
id: 5234
title: "Flash Loan Attack: How They Work and How to Defend Against Them"
source_domain: hackenproof.com
source_url: "https://hackenproof.com/blog/flash-loan-attack"
published_at: "2026-06-08T13:20:21Z"
tags: ["web3", "vulnerability-research", "smart-contracts", "defi", "governance", "oracle-manipulation", "flash-loans", "euler-finance"]
phying_url: "https://phying.com/item/5234"
lang: en
---

# Flash Loan Attack: How They Work and How to Defend Against Them

## Summary

Argues 'flash loan attacks' are misnamed: the loan is just atomic capital, while the flaw sits in the protocol — missing health checks, manipulable oracles, no governance timelock — as Euler shows.

## Intelligence Metadata

- **Sources:** hackenproof.com
- **Published:** 2026-06-08T13:20:21Z
- **Original:** https://hackenproof.com/blog/flash-loan-attack
- **Phying News:** https://phying.com/item/5234