E-Mail-Sicherheit mit DMARC Brief mit Schutzschild

Since 7 June 2019, a warning about fake emails can be read on the website of the Federal Fiscal Court in Germany. According to the warning, previously unknown perpetrators send emails with malicious attachments and use the email domain of the Federal Fiscal Court in the sender. It goes without saying that the emails also look deceptively real. Although the Federal Fiscal Court’s warning is shared in the social media, the actual range is likely to be limited. The majority of the victims are informed – if at all – much too late. And this despite the fact that the DMARC specification is a freely available technology that could prevent this.

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Criminals have recently launched a wave of email attacks targeting industrial AutoCAD files. The focus is on companies in the renewable energy and automotive sectors. Industrial espionage thus reaches an unprecedented scale.

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Spam-Ordner

New verdict confirms: Messages in emails have legal effect even if they are filtered out and moved to the spam folder. 

So-called false positives always pose a risk for many anti-spam solutions. These emails that are incorrectly recognized as spam are then either deleted or moved to quarantine or to the spam folder.

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Wie entferne ich Malware?

Malware endangers computers, systems, IT infrastructures, and entire companies. The aim of these attacks, which are carried out using malware, is to capture data, documents and passwords. In most cases, the criminals want to enrich themselves with the money of their victims. The financial losses for private individuals or companies can be serious: Financial damages, including insolvency, can be caused by malware if action is not taken in time.

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With the last Microsoft patchday on September 12th, a security update for the .NET framework was released, which closes a critical vulnerability. To exploit the vulnerability, the victim must open a document specially prepared by the attacker. Even if there is no direct danger for NoSpamProxy customers, we recommend installing the update. Further information and the download links can be found here.

NoSpamProxy 12.3 bietet Schutz vor EFAIL

The new NoSpamProxy 12.3 already offers security against EFAIL even for communication partners with a weak infrastructure. Due to the far-reaching support of the new S/MIME 4.0 standard and Authenticated Encryption, many EFAIL-like attack methods are additionally neutralised. Numerous other improvements and new features ensure increased email security and increased resilience against the weaknesses of others. In our press release you can learn more about version 12.3 of NoSpamProxy, which Net at Work will present at the security fair it-sa from October 9 – 11, 2018 in Nuremberg.

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Emotet Trojaner Schutz

A new wave of spam emails and viruses is currently affecting IT systems around the world. Since early November 2018, fake invoices, bank account warnings and other forged documents containing malicious code in the form of banking trojan Emotet are being distributed.

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Welche Arten von Malware gibt es?

The term malware (“malicious software”) is often used as a synonym for terms such as virus or trojan. In fact, malware is the umbrella term for a variety of threats that users are exposed to. This malware is a major threat to IT infrastructures and systems and exposes data of all kinds to major risks. Malware has only one purpose: to harm the user. This damage is either financial or involves the loss or involuntary disclosure of confidential data or private information. By far the largest part of malware attacks is carried out via spam emails. Malware and spam have become substantial threats for companies and authorities with the spread of trojan Locky in 2016. Read more