Email Security
Email filtering, an integral aspect of email security, involves employing various techniques and protocols to safeguard email communications from threats such as phishing, spam, and unauthorized access, using methods such as encryption (S/MIME and PGP), authentication (DKIM and SPF), and gateways to control and protect the flow of emails, ensuring their confidentiality, integrity, and authenticity.
Though convenient, email does present several security concerns. Whether from phishing and spear phishing attacks or spam, ensuring the confidentiality, integrity, and authenticity of email communications is of paramount importance. In this section, we will explore how to secure email using a range of encryption and authentication methods:
- S/MIME: This uses Public Key Infrastructure (PKI) to either encrypt emails or digitally sign emails to prove the integrity of the message. It is very cumbersome, as it requires each user to exchange their public key with others...
