Email Security Issues

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Email Security Issues:


POP3, IMAP and SMTP are the protocols that support e-mail. These protocols don’t provide security nor do they provide encryption, source verification, or integrity checking.

  • Because encryption methods aren’t provided for transmitted e-mail, the interception and access to e-mail is a real risk.
  • E-mail protocols don’t offer confirmation of a valid sender or source of a message. Thus email address spoofing is process that can be readily learned. E-mail headers can be altered at their source and during transmission. It is also possible to deliver e-mail directly to a user’s inbox on an e-mail server by directly connecting to the e-mail server’s SMTP port.
  • Integrity checks aren’t incorporated in email messaging to ensure that a message was not altered during transmission.

Additionally, email itself can be used as an attack method.

Culprits most commonly use…

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