Embedded Files
Security Weaknesses
Security Weaknesses
Open relay configuration can allow unauthorized email forwarding.
Susceptible to email spoofing and phishing.
Plaintext transmission of messages and credentials if not secured.
Security, Defence, and Mitigation Measures
Security, Defence, and Mitigation Measures
Configure SMTP with STARTTLS or SMTPS for encryption.
Use SPF, DKIM, and DMARC to authenticate and verify emails.
Monitor outgoing emails for unusual patterns or volumes.
Indicators of Compromise or Attack
Indicators of Compromise or Attack
Large volumes of outbound emails indicating spam activity.
Emails flagged as spoofed or phishing by recipients.
Increased bounce-back messages due to invalid recipients.
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