Check if your email appears in known breaches via services like Have I Been Pwned. Enable Multi-Factor Authentication (MFA) on all sensitive accounts and use a password manager to ensure unique passwords.
Using the email addresses to send targeted "spear-phishing" campaigns. 4712989437.7z
Often linked to large-scale aggregations of previous data breaches (sometimes referred to as "Naz.el" or "Collection" style leaks). Technical Breakdown Check if your email appears in known breaches