In 2021, a remote attacker gained control of the Oldsmar, Florida water treatment system and increased sodium hydroxide levels to a dangerous amount. The attack didn’t rely on a zero-day exploit or advanced malware—it relied on simple access through a visible remote desktop system.

This video explains how visibility, not complexity, enabled the breach—and why making critical systems invisible can stop attacks before they begin. Learn how the Oldsmar incident happened and download the Hackopedia to explore other real-world network breaches that could have been prevented: https://blastwave.com/hackopedia