Activate two-factor authentication on all sensitive accounts (email, banking, social media) to add a layer of protection beyond just a password [5].

Immediately update passwords for any accounts that reused the credentials found in the leak [1].

Use services like Have I Been Pwned to see if your email address has appeared in "duombaze.rar" or other public breaches.

Be wary of unsolicited emails or texts, as attackers often use leaked contact info to launch targeted phishing campaigns [1].