KnowBe4 - [Heads-up] New Attack Blindsides Microsoft Office 365 Anti-Phishing Filter And Blacklists

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Phishers have found a way of moving the malicious URLs in their emails past Office 365's protections. The security company Avanan says they've observed criminals using a <base> tag in the HTML header used with the URL.



from KnowBe4 Security Awareness Training Blog https://blog.knowbe4.com/heads-up-new-attack-blindsides-microsoft-office-365-anti-phishing-filter-and-blacklists

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