Spam emails can end up in your inbox due to data breaches, accidental self-exposure, or clicking on links in spam emails.Data breaches, like the one at Medusind Inc. in 2025, can expose personal data, leading to spam emails.If your email is compromised in a breach, update the password on affected sites and services.Spammers can use publicly available information from social media for email scraping.Limit risks of self-exposure by adjusting privacy settings and sharing contact info privately.Clicking on unsubscribe links in spam emails can confirm your active email account to spammers.Avoid interacting with suspicious emails, including unsubscribing, to prevent further spam.Key indicators of spam include suspicious email addresses, impersonal delivery, and a sense of urgency.Spam emails may imitate legitimate companies, request personal data, or exhibit poor grammar.Avoid clicking on links or attachments in suspicious emails and mark them as spam or delete.