Cybersecurity
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A New Design System for the myEAS Admin Portal
Read moreRetarus has reached an important milestone in the development of the myEAS admin portal. The in-house design system “Gladus” has been successfully rolled out for layout and navigation.
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Spam is any unwanted message: Why end users should always have the final say
Read moreWhat actually counts as spam? Anyone dealing with email security knows that the answer is anything but clear-cut, and the discussion quickly drifts into philosophical territory. Nowadays, ransomware, phishing, and fraudulent emails can be detected very reliably using the latest algorithms. Things get more complicated, however, when it comes to messages that are perfectly legitimate…
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Direct Send in Exchange Online: How to safeguard your outbound email traffic
Read moreUsers have long been familiar with Exchange Online’s “Direct Send” option. In our customer projects, however, we have recently noted an increase in configurations that allow for unintended or undesirable mail flows. Setups established over time often remain unchanged for extended periods, posing risks regarding security, compliance, and control.
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Exchange Online and the “ghost senders”: Five tips you should implement right now
Read moreFor the past few days, news reports addressing the topic of ghost senders have been sparking debate among email administrators and decision-makers. As established experts in email security and business-critical communications infrastructure, Retarus has summarized and analyzed the key details behind Microsoft’s latest headline-grabbing issue for you.
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Kickoff for phishing attacks: Why the soccer World Cup is peak season for cybercriminals
Read moreWhen millions of people around the world tune in to watch the FIFA World Cup, it’s not only fans who look forward to thrilling matches and unexpected results. Cybercriminals also see global sporting events of all kinds as prime opportunities for their attacks. According to the experience of Retarus experts, the number of phishing-based fraud…
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Verizon DBIR 2026: Social engineering a growing threat, with conventional email security more important than ever
Read moreVerizon’s Data Breach Investigations Report (DBIR) has long been considered one of the cybersecurity sector’s most essential status reports. The report’s headline finding for 2026 is that vulnerability exploitation has risen to become the most common initial access vector for successful attacks. Nevertheless, enterprises will find another conclusion especially relevant: The human factor continues to…
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New automation options for Retarus Email Security: Meet our Configuration API
Read moreCompanies running email security operations in complex environments are acutely aware of the daily challenges – carefully maintaining configurations, ensuring lists are kept up to date, and reliably implementing security policies. This is where the new Configuration API included in Retarus Email Security comes into play.
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SMTP Concentrator: Centralize your Application Email Delivery
Read moreEnterprise organizations often use dozens of applications that send email: time-sensitive notifications, system alerts, customer communications, invoices, password resets, and more. These applications may be cloud-based, on-premises, or geographically distributed across regions. The challenge? All of them must send high volumes of email reliably and consistently and without delays, throttling, or delivery failures.
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How European is your email security provider, really?
Read moreCompanies based in Europe are essentially taking a risk when they entrust the security of their email communication to US providers.