Since April 2019, there is a new type of attacks that use emails as an attack vector: the so-called Email Reply Chain Attacks. The first step in these attacks is to spy on emails. The responses to these emails written by the criminals contain a malicious link or attachment. While this method was initially used on a larger scale by Emotet, other threats such as QakBot (aka Qbot or also Quackbot) have also been added over time.
NoSpamProxy 14 is the first mail gateway to support S/MIME 4
32Guards, All Topics, News, NoSpamProxy Cloud, NoSpamProxy Encryption, NospamProxy Large Files, NoSpamProxy Protection, Product, UpdatesNew features such as S/MIME 4 support, metadata service 32Guards and Flow Guard, and new web app offer the best protection for email communication and set the bar high for the competition. Learn more about all the exciting new features in NoSpamProxy 14!
How NoSpamProxy classifies emails as spam: The Spam Confidence Level (SCL) explained
32Guards, All Topics, NoSpamProxy Cloud, NoSpamProxy ProtectionThe Spam Confidence Level (SCL) is decisive in the evaluation of emails. In the end, the SCL value decides whether an email is declared as spam. How does SCL work?
New zero-day vulnerability: How to protect yourself from Follina
All TopicsThe critical zero-day security vulnerability Follina in Microsoft Office is currently making headlines. Particularly threatening is the fact that it is sufficient for an infection to trigger a hover preview in a downloaded file. We show you how you can protect yourself with NoSpamProxy.
beBPo: Using the public authority mailbox with NoSpamProxy
All Topics, NoSpamProxy Cloud, NoSpamProxy Encryption, NospamProxy Large Files, NoSpamProxy ProtectionThe public authority mailbox beBPo is considered a secure transmission channel for electronic communication. Find out how to use it with NoSpamProxy.
Revoked SwissSign certificates
All Topics, News, NoSpamProxy Encryption, Tech & SupportIn some cases, certificates already issued by SwissSign were withdrawn because in these cases the Common Name (CN) did not correspond to the prescribed first name last name format. We show you how to apply for new certificates for the affected users.
Trustworthy email software made in Germany – with the seal of trust
All Topics, NoSpamProxy Cloud, NoSpamProxy ProtectionThe use of a suitable secure email gateway is the basic prerequisite for confidential and secure electronic communication. Especially if you can trust the software, its origin as well as the technology used. But how can you as a customer or user be sure that you can? Well – in this case, it’s quite simple.
OneDrive Personal Links in Email Reply Chain Attacks
All Topics, NoSpamProxy Cloud, NoSpamProxy ProtectionSince April 2019, there is a new type of attacks that use emails as an attack vector: the so-called Email Reply Chain Attacks. The first step in these attacks is to spy on emails. The responses to these emails written by the criminals contain a malicious link or attachment. While this method was initially used on a larger scale by Emotet, other threats such as QakBot (aka Qbot or also Quackbot) have also been added over time.
HTML attachments: The misjudged danger
All Topics, NoSpamProxy Cloud, NoSpamProxy ProtectionFor several years, spammers have increasingly used text-based HTML attachments to spread malicious code. A double-click in the browser is enough to execute malicious code that is either embedded in the HTML document or reloaded via external web servers.