An Oxford University email server and domains belonging to Samsung and others were hijacked, tricking security systems into letting through malicious emails designed to steal targeted network access credentials.
Microsoft Office 365 users were compromised by customized emails which included a link to an “Office 365 Voicemail.” The link was malicious. The emails had genuinely been sent from an Oxford University system, though, bypassing checks within corporate email defenses; how the attackers compromised university systems has not been disclosed.
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