Email itself is quite old, and so are the protocols standardized for it. Between all these old protocols, DMARC, short for Domain-based Message Authentication, Reporting and Conformance, is practically still an infant. We explain the purpose behind this protocol and how it works in this article. The history of DMARC … continue reading
If you are looking for protection mechanisms for email on the Internet, you will quickly come across DKIM. This identification protocol is designed to counteract unwanted emails such as spam or phishing. But what is this protocol all about? How does it work and how can I use it myself … continue reading
If you want to sign something in the analog world, you can simply take a pen and put your signature under the corresponding document. In the digital space, digital signatures exist for this purpose, but they can do much more than merely exist and be recognized as a legally valid … continue reading
It all started with Bitcoin, or rather its whitepaper, which first revealed the idea of a digital currency. A currency that would not be controlled by states or governments and would be decentralized, so that any outside intervention seemed almost impossible. This is Satoshi Nakamoto’s Bitcoin, which is now known … continue reading
The Internet works a little differently than most people think. Especially on the technical side, there are things that need to be understood first in order to understand the big picture. Packet loss is one of those basics that, while often familiar in concept, is largely unknown in detail. To … continue reading
AWARE7 GmbH is now an official training company. The model around vocational training in Germany is almost unique in the world and is unjustly placed in the shadow of a university degree. With Chris Wojzechowski, we now have a trained instructor in the company who accompanies the proper and professional … continue reading
Social networks determine our everyday life, for companies LinkedIn is often an important network for maintaining contacts. But due to fake accounts on LinkedIn, major hacks and security problems rise. Why LinkedIn? Fake accounts on Instagram or Facebook are common. For attackers, however, LinkedIn is a valuable platform because it … continue reading
Startups have recently become a popular target for cyber attacks. Meanwhile, cybercriminals are no longer necessarily trying to catch the big companies, but are nesting in the IT systems of small companies and businesses. Once they have gained a foothold there, all doors are usually open to them, because most … continue reading
Call ID spoofing, the concealment of telephone numbers, will be made more difficult in Germany as of 1.12.22 by an amendment to the Telecommunications Act (TKG). But how exactly is this implemented? How does Call ID Spoofing work? We’ve dealt with Call ID spoofing on the blog before. To summarize … continue reading
What is a DDoS attack, who carries it out and what exactly is the difference between a DoS and a DDoS attack? Today we are going to explain all these questions and more in detail about popular DDoS attacks. So if you haven’t yet set up a contingency plan in … continue reading
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