London Called, Hackers Answered: Recapping h1-4420

Published

2019-07-03 07:00

Collected

2026-07-04 11:41

---
id: 3126
title: "London Called, Hackers Answered: Recapping h1-4420"
source_domain: hackerone.com
source_url: "https://www.hackerone.com/blog/london-called-hackers-answered-recapping-h1-4420"
published_at: "2019-07-03T07:00:00Z"
tags: ["bug-bounty", "hackerone", "live-hacking-event", "h1-4420", "uber", "london"]
phying_url: "https://phying.com/item/3126"
lang: en
---

# London Called, Hackers Answered: Recapping h1-4420

## Summary

HackerOne and Uber hosted their third live hacking event, h1-4420, in London: 36 hackers from 17 countries submitted 150+ unique vulnerabilities, earning $375,000 in bounties.

## Intelligence Metadata

- **Sources:** hackerone.com
- **Published:** 2019-07-03T07:00:00Z
- **Original:** https://www.hackerone.com/blog/london-called-hackers-answered-recapping-h1-4420
- **Phying News:** https://phying.com/item/3126