What role do customers play in ensuring the security of their own data when interacting with companies online?

Customers play a crucial role in ensuring the security of their own data when interacting with companies online by being vigilant about the websites they visit and the information they share. They should use strong, unique passwords for each account, enable two-factor authentication when available, and regularly update their security settings. Additionally, customers should be cautious about clicking on links or downloading attachments from unknown sources to prevent phishing attacks. By staying informed about potential security threats and taking proactive measures to protect their data, customers can help safeguard their information online.