They will only have to hack into a few emails rather than sift through hundreds to find data they can use. If only some of your emails are encrypted, it is a red flag for a hacker and could make your inbox even less secure. When encrypting emails, it’s important to encrypt all of them, not just the ones with sensitive information. Sensitive information such as social security numbers, passwords, login credentials and bank account numbers are vulnerable when sent via email. Email encryption is the process of disguising the content of your email messages to protect them from being read by unwanted parties.
