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...

Amid a troubling rise in zero-day phishing attacks, recent research suggests that some companies may be making an ill-advised shift away from blocking advanced email threats to responding to them post-delivery. If true, the capitulation couldn't come at a worse time. Since January, cybercriminals taking advantage of the COVID-19 outbreak have been targeting businesses and...

Since the beginning of February, we have seen more than a 3,000% increase in Coronavirus-themed phishing attacks targeting our customers. The spike in attacks is as logical as it is repugnant. With an estimated 75 million employees more reliant than ever on email during the largest "work-from-home experiment" in history, phishing scammers and other threat actors seem hellbent...

Hint: DMARC Alone Won't Cut It Think the prospect of cybercriminals using your domains to launch phishing attacks sounds bad for your brand? Just wait until you hear the latest on lookalike domains. Over the last few months, researchers have been discovering a troubling number of phishing sites that feature domains meant to impersonate leading brands in a variety of industries....

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...