Email rules are actually designed to organize your inbox: automatically moving, forwarding, or marking messages as read. It is precisely these functions that make them attractive to attackers once an account has been compromised. In many cases, at least one malicious email rule is created shortly after the initial access, sometimes within seconds of the unauthorized login. We’ll show you how these attacks work and how you can protect yourself.
Summer is here, out-of-office replies are enabled, and besides those looking forward to vacation, there’s one group that’s especially happy: cybercriminals. While half the workforce is at the pool, the other half is working from home or covering for colleagues, and it’s precisely this state of stress, distraction, and vacation planning that provides the perfect breeding ground for phishing emails to thrive.
Many companies are wondering whether a traditional Secure Email Gateway (SEG) is still sufficient or whether Integrated Cloud Email Security (ICES) is the better choice. Read our blog post to learn about the strengths and limitations of both approaches and which one is right for you.
Your customers are under attack every day: with spoofed sender domains, authentic-looking phishing attempts, malicious attachments and AI-generated text that even experienced employees can no longer distinguish from genuine corporate communications. Email is and remains the preferred entry point for cybercriminals. The question isn’t whether your customer will be affected, but when. You are responsible for the security and satisfaction of your customers and for the quality of your recommendations. That is exactly why it’s worth taking a closer look at NoSpamProxy.
Imagine this: You receive an email with a seemingly harmless ZIP file attached, just a few kilobytes in size. Your system begins to unzip the file, and crashes. What follows is a system failure, wasted storage space, or, in the worst case, a gateway for further malicious code. The cause is a ZIP bomb, detonating within your IT infrastructure. In this blog post, we explain what ZIP bombs are, how they overload systems through extreme data compression and serve as a distraction for attacks, what variants exist, and how to effectively protect against them using multi-layered security mechanisms like NoSpamProxy.
CEO fraud, phishing, ransomware via infected attachments: Email remains the preferred entry point for attackers. In enterprise environments, the risk is magnified: more mailboxes, more locations, more entry points. And the attacks are becoming more sophisticated. AI-generated text, spoofed sender domains, context-specific attempts at deception – what used to be recognizable by poor spelling is now almost indistinguishable from a genuine sender. Enterprise organizations with hundreds or thousands of mailboxes, complex IT landscapes, and strict compliance requirements have unique needs. This is where NoSpamProxy comes in.
Traditional email security solutions check URLs when a message is received. If the linked page appears normal, the email is allowed to reach the inbox. But what if security systems see something different than the users who later click on the link? Cloaking techniques make this possible—and thus call into question a fundamental principle of URL filtering.
An accidentally deleted SPF entry, an unsuspecting email administrator, and weeks of undetected delivery problems—what sounds like a worst-case scenario actually happened. The case shows how 25Reports not only makes problems visible, but also enables them to be quickly resolved.
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