First, change passwords for affected accounts—use strong, unique ones. If the same password was reused elsewhere, change those too. Enable two-factor authentication if available. Monitor financial accounts and credit reports for suspicious activity. Consider freezing your credit to prevent identity theft.

Report the breach to your provider or employer. Check for scam attempts using breached data. Use a password manager to help track changes. Stay alert for follow-up phishing emails. If sensitive info like Social Security numbers was leaked, use services that help monitor misuse. Acting quickly can reduce damage and protect against long-term security consequences.