In a world where emails are the primary means of communication, the risk of phishing attacks lurks just one click away. Whether it’s a seemingly innocuous message from a “trusted” source or a polished-looking request for sensitive information, these scams can catch anyone off guard. The reality is that identifying these threats isn’t just about having the latest technology; it also relies heavily on being informed and proactive.
How are Gmail and Outlook policies raising the bar for DMARC adoption?
by DuoCircle
There was a time when email security was a mere IT concern; it was a good-to-have but wasn’t really a priority. We are referring to a time when email-based threats were not as prevalent or dangerous as they are today. It might sound like we are talking about a distant past here, but that’s the reality. You can no longer put email security on the back burner, thinking that your emails will protect themselves or that cybercriminals will never reach you.
When you check your email, how often do you stop to think about the risks lurking behind seemingly innocent messages? Spear phishing attacks—targeted attempts designed to trick individuals into revealing sensitive information—are becoming more common and far more sophisticated. As cybercriminals zero in on their targets with personalized tactics, it’s essential for everyone, especially employees, to recognize these threats before they strike.
Attackers are getting creative again, using copy-paste tricks to drop malware, hiding Android threats inside broken app files, and setting up entire fake startups to steal crypto. Developers are being targeted through tampered npm packages, while a newly exposed Wing FTP flaw is already under active abuse. With techniques evolving fast, staying patched and alert is more important than ever. Read on to stay a step ahead!
Cloudflare’s new SPF, DKIM, and DMARC requirements
by DuoCircle
Starting July 3, 2025, Cloudflare requires all emails to be authenticated using at least one of the protocols. SPF or DKIM, to forward them. This requirement has been imposed in consideration of the growing number of email-based phishing and spoofing attacks. These email authentication protocols ensure that only authorized emails reach the inboxes of recipients, thereby preventing them from being manipulated into transferring money or sharing confidential information.
Email communication has become a vital part of our daily lives, especially for businesses. But did you know that a simple yet crucial security feature can help protect your emails from being tampered with or falsely represented? That’s where DKIM (DomainKeys Identified Mail) comes in. This method adds a digital signature to your email, giving both you and your recipients peace of mind that messages are authentic and safe.
How to avoid email authentication failures when sending messages to Microsoft 365 users?
by DuoCircle
If you are struggling with disappearing emails or deliverability drops when targeting Microsoft 365 users, then it’s an indication of an underlying issue— misconfigured or missing email authentication protocols.
Email has become a central tool for communication, but with its convenience comes the risk of impersonation and spam. Many people don’t realize that proper email setup is crucial to keep their messages safe and trusted. One of the best ways to protect your domain from being misused is through an SPF record. Think of it as a security badge that tells other mail servers which addresses are allowed to send emails on your behalf.
This week’s cyber world feels like a game of digital whack-a-mole, where every time defenders squash one threat, another pops up somewhere else. There are hackers sneaking malware into trusted tools, trojans hiding in mobile apps, and cybercriminals hijacking search results and online ads. From leaked security software fueling new attacks to crafty scams riding the wave of AI buzz, cybercriminals are proving they’ll exploit anything. Here’s how they’ve been keeping security teams on their toes!
How to pass Microsoft’s email authentication requirements?
by DuoCircle
If your company’s mailboxes are in Exchange Online, Microsoft requires you to take email protection seriously. You are liable for protecting the integrity of email messages from senders in your domain. Your recipients should be confident enough to open emails from your domain, knowing you have already taken the measures to ward off phishing and spoofing attempts.
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