# Hackers Steal Crypto Custody Secrets From Brazilian Financial Firm

A threat actor known as Slim Spider breached a Brazilian financial institution and exfiltrated secrets related to its cryptocurrency custody systems. The theft exposes sensitive security keys and credentials that could jeopardize digital asset holdings. The incident highlights increasing cyberattacks on crypto infrastructure in Latin America's largest economy.

**Importance:** 3/5

## Sources

### Security
- [The Hacker News](https://thehackernews.com/2026/09/slim-spider-steals-crypto-custody.html) — Tue, 08 Sep 2026 21:50:23 +0530