A Red Door Left Open

RedDoorz 2020 breach exposed 5.9M users after an AWS key in a legacy app was exploited, prompting fines and cloud security reforms.

Aug 20, 2025

∙ Paid

In one of Southeast Asia’s largest hospitality data breaches, budget hotel platform RedDoorz suffered a massive cyberattack that exposed the personal information of nearly 6 million users. Today’s edition of Cybercrime Stories explores how a forgotten app, embedded credentials, and cloud misconfigurations led to a breach, and what happened next.

First ti…

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