Over 3 million POP3 and IMAP mail servers lack TLS encryption, exposing them to network sniffing attacks. ShadowServer researchers reported that around 3.3 million POP3 and IMAP mail servers lack TLS encryption, exposing them to network sniffing attacks. POP3 (Post Office Protocol 3) and IMAP (Internet Message Access Protocol) are two protocols used to retrieve […]
Threat actors targeted Office 365 and G Suite cloud accounts using the IMAP protocol to bypass multi-factor authentication (MFA). Over the past months, threat actors have targeted Office 365 and G Suite cloud accounts using the IMAP protocol to bypass multi-factor authentication (MFA). Experts at Proofpoint conducted an interesting study of massive attacks against accounts […]