In this post, we’ll briefly explain what a DMARC policy is , how to set up your DMARC email record, what the three types of DMARC policies are and when to implement each one, and how to diagnose and fix any issues associated with it. Basically, your DMARC policy tells email receivers what to do with illegitimate or possibly fraudulent emails—whether to reject, quarantine, or accept them. Overall...

You did it! You can now take a quiz and accurately answer "What Is DMARC?"! Next you've generated your DMARC record, implemented your policy, and authenticated your email domains. DMARC is no easy feat in itself and now, after DNS requests, third-party conference calls and writing internal policies, you are ready...to enforce a stricter DMARC policy ! If your DMARC policy has been set to p=none...

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 spoofing attacks and fraud...

We're going to delve into what the meaning of SPF for email is, how to implement it, the benefits of deploying it, and how to further protect your email-sending domains. What is SPF for Email? Sender Policy Framework (SPF) is an email authentication standard that domain owners use to specify the email servers they send email from, making it harder for fraudsters to spoof sender information. SPF...

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 . What is DKIM? A Brief Introduction DKIM is a standard...

What is Email Spoofing? Email spoofing is one of the most common forms of cybercriminal activity, specifically a form of identity deception that's widely used in phishing and spam attacks. It underpins the mechanism required to conduct hacking activities, and it can take many forms. Unfortunately, most email users will eventually receive an email that has been spoofed—whether they know it or not...

It takes years to build trusted relationships with your customers — but as all-too-familiar headlines and recounted tales of woe from IT departments tell us, cybercriminals can abuse that trust to trick your customers, employees, and partners into opening their malicious emails in a matter of minutes.  DMARC, or Domain-Based Message Authentication, Reporting, and Conformance, is an essential email...

Do-it-yourselfers abound everywhere in these days – from YouTube stars demonstrating the latest hacks through tutorials to entire cable channels and streaming networks devoted to DIY, average laypeople have become self-proclaimed experts in a variety of areas and skills. But should you take a do-it-yourself approach when it comes to technology and email security, or more specifically to DMARC...

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...

Have you ever received a blank email from someone you don’t know? If you have, it may have been from a cybercriminal making sure your email account is legitimate prior to a Business Email Compromise (BEC) attack. Agari and PhishLabs define BEC as any response-based spear phishing attack involving the impersonation of a trusted party to trick victims into making an unauthorized financial...

With email attacks contributing to billions of lost dollars each year, a growing number of organizations are adopting Domain-based Message Authentication, Reporting & Conformance (DMARC) in an effort to protect themselves and their customers from fraudsters. Adoption of DMARC has steadily gained traction since the onset of the pandemic, and the original email authentication protocols at the heart...

The holiday season is upon us, which means it’s also the busiest time of the year for online shopping. There’s Black Friday, Cyber Monday, and gifts to buy for loved ones. Plus, gifts to buy for yourself when the deals are this good! But beware, for cybercriminals ‘tis also the season to scam millions of dollars from unsuspecting people and companies. They’re banking on people being in a rush and...

What exactly is TLS when it comes to email encryption? TLS, or cybersecurity protocol Transport Layer Security first developed by the Internet Engineering Task Force (IETF), was designed to establish secure communications that provide both privacy and data security. Originally created from another encryption protocol called Secure Sockets Layer, or SSL, you may hear others use SSL and TLS...

Why would a cybercriminal spend time developing malware when he can simply trick unsuspecting users into handing over their passwords? Why would a threat actor spend her money and resources on ransomware, when she can get that same information through a compromised account? It’s a good question, and exactly what the Agari Cyber Intelligence Division wanted to discover. In a growing trend known as...

Wondering what Brand Indicators for Message Identification actually means? Here, we’ll cover the basics of BIMI, what the BIMI-selector header is, what it does, whether you need it, and how to implement it. But first, do you really need the BIMI-selector header? In most cases, you only need the BIMI-selector header if you want to support multiple logos for multiple brands or subdomains. Otherwise...

Generally defined, cyber threat intelligence is information used to better understand possible digital threats that might target your organization. This data will help identify threats in order to prevent security breaches in the future. Why Cyber Threat Intelligence is Important Having a system in place that can produce threat intelligence is critical to staying ahead of digital threats, as well...

Global adoption of Domain-based Messaging, Reporting & Conformance (DMARC) topped 10.7 million email domains worldwide in 2020—reflecting a 32% increase in just six months, according to our H1 2021 Email Fraud & Identity Trends Report . The total number of domains with DMARC set to its highest level of protection against email spoofing climbed to 3.8 million during the same period. That's up a...

Three months ago, when I joined Agari as the Chief Marketing Officer, I knew that I was joining a leader in email security. I knew this partially because I worked for Agari from 2016-2019 during an exciting time of change for the company. But my time away from Agari made me realize how much it has to offer its customers and partners, which is ultimately why I decided to return. And I’m thrilled to...

Wondering how DMARC affects email? Here’s a comprehensive guide explaining what DMARC is, how it affects email, and why your company needs it for security. What is DMARC? What does DMARC mean? DMARC, short for Domain-based Message Authentication, Reporting and Conformance, is an email authentication protocol to help email administrators prevent fraudsters from spoofing email domains by specifying...

In July 2020, we published a report on a Russian-based BEC group we called Cosmic Lynx . In that report , we described the tactics used by the group, which included its targeting of senior executives at large companies with a global footprint and how it uses mergers and acquisitions (M&A) themes in its BEC email lures. Shortly after we published the report, we saw a significant decrease in Cosmic...