In 2021, Gartner includes DMARC, or known by its full name as Domain-based Message Authentication, Reporting & Conformance, in its list of top 10 security projects . With very few exceptions, the best way for organizations to prevent getting impersonated in email attacks is to integrate DMARC into their Office 365-based email ecosystems. To understand why, let’s consider the benefits of deploying...

Office 365 phishing emails come in common patterns. I'll list them here and also cover Office 365 anti-phishing features for prevention, detection, and response. Today, the typical Office 365 phishing emails direct users to fake Office 365 Sign-in pages. The victim submits their credentials, effectively handing over their password. Fraudsters use that login to access the victim’s address book...

With cyber gangs leveraging business email compromise (BEC) attacks that actively exploit their targets' level of DMARC adoption, CISOs have been ratcheting up email security. Until now, the need to dial up defenses against imposters posing as senior executives in email attacks has been increasingly forcing legitimate business correspondence into quarantine. The chain reaction kneecaps commerce...

For a growing number of email marketers, it may be "BIMI or bust." As of June 30, nearly 5,300 companies have adopted Brand Indicators for Message Identification ( BIMI ), a new email standard for showcasing a brand's logo next to its email messages in recipient inboxes, with built-in protections against phishing-based brand spoofing. The tally reflects a 3.8X increase in the number of brands...

If you haven't deployed Domain-based Messaging Authentication, Reporting, and Conformance (DMARC) to protect your brand from being impersonated in phishing scams, there are pressing reasons to jump on it now. Without a doubt, these are extraordinary times for individuals and organizations alike as we've been forced to change the way we work, shop, play, and live seemingly overnight, and for far...

In the first reported case of its kind, a phishing ring in Eastern Europe is exploiting companies' own Domain-based Message Authentication, Reporting and Conformance ( DMARC ) controls to impersonate CEOs in business email compromise (BEC) scams worth millions. As detailed in our new threat actor dossier on a group we call Cosmic Lynx , the Agari Cyber Intelligence Division (ACID) has identified...

Editor's Note: This post originally appeared on the Microsoft Security blog and has been republished here. You already know that email is the number one attack vector for cybercriminals. But what you might not know is that without a standard email security protocol called Domain Message Authentication, Reporting, and Conformance ( DMARC ), your organization is open to the phishing attacks that...