Since 12 March 2021, we have been aware of problems sending emails to United Internet services. This includes both WEB.de and GMX. These problems result in the connection being refused by the server there and it is therefore no longer possible to send emails to these services. This is the equivalent of a temporary rejection, […]
Procedures for checking sender reputation have existed for some time. These provide an effective way to detect fake sender domains and thus prevent phishing attacks. Although they are easy to implement and do not require expensive tools, many companies do not apply them – and thus fail to secure their organization in the best possible way. Furthermore, they fall behind in direct comparison with criminals, because they are also constantly improving their setup.
In our series of articles on sender reputation, you’ll learn how each method works and how they can help you protect you and your organization from phishing with fake senders and other cyberattacks, and optimize your email security.
Part 1 focuses on the latest method that can be used as part of sender reputation checks: Authenticated Received Chain (ARC).
Net at Work and D-TRUST join forces for secure communication with public institutions An increasing amount of electronic communication from public institutions makes stronger protection against access by unauthorised third parties necessary. The Sicherer Bürgerdialog initiative shows that effective email encryption does not have to be complicated or expensive. Together with D-TRUST, a company of […]
Our security experts provide you with a forecast of the most important malware trends and attack methods on email communications in 2021. With a special focus on the German-speaking region and its specific circumstances, we regularly evaluate extensive data sources and continuously analyze the current threat situation.
At the turn of the year 2019/2020, the time had come: 32Guards began to send assessments of emails to the participants of the 32Guards beta. Over the course of 2020, the repertoire of detections grew significantly. In this article, we will look back at a number of developments and show how 32Guards became increasingly active, especially in the second half of 2020.
The “Security Insider Deep Dive” focuses on the new solution NoSpamProxy Cloud, presented by Stefan Cink. He takes an in-depth look at the new product.
Digital transformation is the change to modern workplaces that correspond to technical progress and the realities of people’s lives. However, this shift to cloud-based working should not come at the expense of security or data protection – especially in light of the fact that emails are still the most important gateway for cyberattacks. So what options does Microsoft 365 offer to secure email traffic and protect your company against spam and malware?
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