When it comes to email authentication standards, should you use DKIM, SPF, or both? We’re going to cover these terms, when you should use them, what they do—and how best to protect your email domains. Is it Either/Or—or Both? Should the battle really be SPF vs. DKIM? While not mandatory, it’s highly recommended to use both SPF and DKIM to protect your email domains from...

In this DKIM setup guide, we’ll walk you through the steps on how to set up DKIM correctly, test it, avoid common pitfalls, and fix common mistakes. In case you’re new to DKIM, or DomainKeys Identified Mail, we’ll start with a high-level overview before getting to the step-by-step instructions, but you can first look up your DKIM record here.  Image ...

What is email spoofing, how does it work, and why is it so dangerous to your company? We’ll explain everything you need to proactively stop attackers from spoofing your email address. Email Spoofing: What Is It? Email spoofing is when a fraudster forges an email header’s ‘From’ address to make it appear as if it was sent by someone else, usually a known contact like a high...

We'll cover what DKIM for email is, why your company needs it, how it works, how to set DKIM up, and additional ways to prevent email spoofing attacks. What is DKIM? First, let’s clarify what DKIM is in email. DomainKeys Identified Mail is a technique that uses your domain name to sign your emails with a digital “signature” so your customers know it’s really you sending those...

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...

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...

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...

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)...

Are you protecting your remote workers against an endless barrage of COVID-19 related phishing attacks by requiring 2-factor authentication (2FA) to log into employee email accounts? Smart move—just don't let it give you a false sense of security.

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...

At Agari we often talk about the evolving nature of advanced email attacks and the identity deception tactics that go with them. These attacks bypass legacy controls and like a magician delighting a curious audience, they trick the human psyche by targeting core human emotions such as fear, anxiety and curiosity. Of course, the magic in this case comes with ill intent. A good...

This post originally appeared on the Armadillo Blog and has been lightly edited for clarity.   Most organisations have been successful in blocking malicious emails targeted at their employees, at least to some extent. Various on-premise and cloud providers exist to take care of anti-spam, anti-virus, reputation scores, and advanced features such as sandboxing of executables. As...

Every year, more than 5 million homes are bought and sold in the U.S. Given this volume, it should come as no surprise that the real estate industry is a prime target for email-based crimes. Cyber criminals are spoofing (and in some cases taking over) the email accounts of real estate agents, title companies, and others involved in the home buying process. Once the criminal...