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).
Issues with sending emails to United Internet services
All Topics, News, NoSpamProxy Cloud, NoSpamProxy Protection, Tech & SupportSince 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, […]
Sender Reputation and Email Security – Part 1: Authenticated Received Chain (ARC)
All Topics, NoSpamProxy Cloud, NoSpamProxy ProtectionProcedures 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
All Topics, News, NoSpamProxy Cloud, NoSpamProxy Encryption, NoSpamProxy ProtectionNet 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 […]
Cyber attacks to expect in 2021 – and here’s how we can protect ourselves from them
All Topics, News, NoSpamProxy Cloud, NoSpamProxy ProtectionOur 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.
One year of 32Guards – and that’s just the beginning
32Guards, 32Guards, All Topics, NoSpamProxy Cloud, NoSpamProxy ProtectionAt 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.
Migration tool for new GlobalSign certificates available
All Topics, News, Tech & SupportOn February 24, 2021, GlobalSign will have to withdraw some intermediary GlobalSign certificates for compliance reasons. This affects, among others, all “PersonalSign certificates” issued before November 12, 2020 and expiring after February 24, 2021. The affected customers have already been informed about this process by GlobalSign via email. NoSpamProxy customers who obtain their S/MIME certificates from a GlobalSign EPKI must exchange the affected certificates by February 17.
Emotet infrastructure shattered
All Topics, News, NoSpamProxy ProtectionIn a joint operation, law enforcement agencies from Germany, the Netherlands, Ukraine, Lithuania, France, as well as England, Canada and the United States have smashed the infrastructure of the Emotet malware. Emotet was previously considered the most dangerous malware in the world and in the vast majority of cases was used to extort ransom from victims.
32Guards offers protection against dangerous short URLs
32Guards, All Topics, NoSpamProxy ProtectionIn his analyses, 32Guards has repeatedly noticed short URL services in a particularly negative light in recent months. These URL shorteners generate an alternative, short URL that can be used on Twitter, for example. In this way, the number of characters used in a post can be reduced. The fact that the use of these services can cause problems is, of course, already due to the fact that the actual target of the URL is not recognizable – virtually an invitation to phishers and other cybercriminals.