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 individuals with an...

There is no denying that business email compromise (BEC) is big business, with losses exceeding a billion dollars in the United States in the last year alone. Globally, BEC attacks have cost more than $13 billion in the last five years. Chances are likely that you’ve probably been a recipient of one of these social-engineered emails yourself. But the question remains… who is behind these...

You likely have a fraudulent email from a business email compromise (BEC) scammer sitting in your inbox, and you may not realize it. However, recent research from the Agari Cyber Intelligence Division (ACID) has shown that these advanced phishing attacks increasingly possess a handful of commonalities, making them easier to spot—which is good news considering their popularity. There are more BEC...

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 a service provider...

Are you sending Google Calendar invites and not getting replies, or maybe your invitees tell you they tried to reply and it was blocked? Or maybe you are trying reply to Google Calendar invites and being blocked saying the mail is not accepted due to your domain's DMARC policy? This is an issue I have been seeing, so I did some digging and I have figured out what is going on. Before I get to the...

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 domains to fool...

This is the start of a new ongoing series for us that gives you the tips and tricks you need for successful DMARC deployment. What does "PermError SPF Permanent Error: Too many DNS lookups" mean? There are several safeguards put in place with SPF . One of these is a limitation of DNS lookups to help ensure that you do not have timeout issues. SPF will evaluate only 10 DNS mechanism lookups in an...

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 (Google, Yahoo!, Microsoft...