Resources

Blog

What is Email Spoofing & How to Stop Attackers from Spoofing Your Email Address

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...
Blog

DKIM for Email: What It Is, How It Works, and How to Add It

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...
Blog

Preventing Phishing Attacks:  The Dangers of Two-Factor Authentication

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.
Blog

Phishing Attacks: Top 3 Reasons Healthcare Employees Are Prime Targets

A growing body of evidence suggests employees throughout the healthcare sector may be uniquely vulnerable to phishing attacks. If finding itself a growing target for cybercriminals weren’t bad enough, the industry is also seeing associated lawsuits piling up. Montana-based Kalispell Regional Healthcare was recently hit with a suit after it disclosed that multiple employees had...
Blog

How to Stop Phishing Message Voicemail Attacks

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...
Blog

Current Email Architecture Transformation Raises the Bar for Security

Enterprise email architecture is evolving, which is good news for cybercriminals. Legacy secure email gateways (SEGs) simply don't provide full protection from today’s evolving and costly attacks, and cloud-based email requires a new security approach. In contrast, the next generation of email security—the AI-powered Secure Email Cloud—gives organizations more comprehensive...
Blog

Protecting our Clients from Email Spoofing: Our DMARC Journey

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...
Blog

M&As Put Your Company at Risk for BEC Losses and Data Breach Liability

Mergers and acquisitions can build your company's value overnight, but business email compromise (BEC) and data breaches can tear it down just as quickly. Too often, M&A announcements are followed by waves of BEC attacks against the companies involved, or by news that the target company was the victim of a data breach. To get the most value from a merger or acquisition, you...
Video

Account Takeover: The Evolution of Advanced Cyberattacks

Targeted email attacks continue to escalate as organizations deal with increasing numbers of phishing, spear phishing and ransomware attempts. But another attack vector—account takeovers—is affecting 44% of organizations and is posing a significant risk. Watch this webinar to learn how: These attacks lead to large-scale data breaches and financial losses; How organizations...
Blog

Email Phishing Scam Continues to Target College Students

According to a public service announcement issued by the FBI, college students across the United States continue to be targeted in a common email phishing scam that lures students in with the promise of employment.It works like this: email Scammers advertise phony job opportunities on college employment websites or students receive emails on their student accounts recruiting...
Blog

Security Professional Pain Points – and How to Solve Them

Ask any security professional what the number one pain point is within their organization, and chances are they’ll say ‘user behavior’…with ‘malware’ coming in as a very close second. And while these issues are very different on the surface, they do have one thing in common: both are often the cause of high-profile data breaches, largely in part to the increased use of spear...
Press Release

New Cybersecurity Book Highlights Growing Threat of Social Engineering

Book Offers Tools and Techniques to Prevent Social Engineering-based Email Attacks SAN MATEO, Calif. – Dec. 13, 2016 – Agari, a leading cybersecurity company, today announced the release of a new book by Agari Chief Scientist Markus Jakobsson and other cybersecurity thought leaders, Understanding Social Engineering Based Scams. The book describes the increased use of social...
Blog

Don’t Let Your Customers Be Fooled By Cousin Domains

In the last five years, we’ve all become far too familiar with it – hackers spoofing a company’s domain and therefore tarnishing the brand, bad actors attempting to infect our computers with malware, and criminals sending millions of spam messages. As if this isn’t enough, now there is a whole group of people working to outsmart companies AND their customers by using cousin...
Blog

What is Identifier Alignment?

When you begin to work with DMARC, you realize just how important identifier alignment is. Identifier alignment forces the domains authenticated by SPF and DKIM to have a relationship to the "header From" domain. Header From Domain and the MailFrom domain are different?Yes, they are! Hearing these terms can confuse people. They sound like the same thing, but in reality they are...
Blog

What are the Differences Between DomainKeys (DK) and DKIM?

This is the second in a new ongoing series for us that gives you the tips and tricks you need for successful DMARC deployment . Read the previous tip here. DomainKeys Identified Mail (DKIM) is the successor to Yahoo DomainKeys. Both share similarities, however DKIM has the additional aspects of Cisco's Identified Internet Mail standard (IIM). The enhancements to this standard...
Blog

DMARC is Transformational

The Benefits of Monitor Mode When a technology exists that can tell you if and when your domains are being spoofed (and by who), why would you not use it?! What is DMARC? DMARC was created to address some fundamental problems with existing email authentication technologies (SPF and DKIM). It provides feedback about your email authentication implementation and gives ISPs ...