Category: System Designs
Snakes exploring Pipelines – A “System Engineering and Management” Project
Part 0: Introduction This series of blog entries describes a student project focused on developing an application by using methods like pair programming, test driven development and deployment pipelines. Once upon a time, which was about one and a half months ago, an illustrious group of three students found together, united by the shared interest…
Malvertising Part 2
Welcome to the second part of my series about malvertising. In this second post, we’ll get to the important stuff: What is malvertising and how often do these attacks happen?
Why is parallel programming so hard to express?
by Johannes Frey, Hannes Buchwald, Stephan Soller, Walter Kriha, Benjamin Binder While trying to understand Hoares famous paper Communicating sequential processes we stumbled upon some interesting problems and concepts referring to parallel programming. In this post we want to share some of the insights we gained by discussing the matter.
Malvertising – Part 1: Internet advertising basics
Imagine surfing the web on a normal trustworthy website. On the top of the page you see an ad for something that interests you, e.g. the newest smartphone you like for an unbelievable cheap price. You click on the ad. Why wouldn’t you? You’re on a trustworthy site after all. The ad turns out to…
Exploring Docker Security – Part 3: Docker Content Trust
This third and last part of this series intends to give an overview of Docker Content Trust, which in fact combines different frameworks and tools, namely Notary and Docker Registry v2, into a rich and powerful feature set making Docker images more secure.
WhatsApp encrypts !?
The majority of the 1 billion monthly whatsapp users may be a little confused about the tiny yellow info-box in their familiar chat. End-to-end encryption? Is this one of these silly annoying whatsapp-viruses or maybe something good? The first big question is “why”. Why do we need a (so complicated) whatsapp end-to-end encryption? The most…
Secure Systems 2016 – An Overview, Walter Kriha
This is an attempt to provide an overview of the topics in “Secure Systems”, a seminar held during the summer term 2016 at the Stuttgart Media University HdM. Presentations have been given and blog entries into our new MI blog were made. With the chosen topics we have been quite lucky, as some of them…
Botnets – Structural analysis, functional principle and general overview
This paper provides an overview on the most important types of botnets in terms of network topology, functional principle as well as a short definition on the subject matter. By exploring the motivation of botnet operators, the reader will gain more insight into business models and course of actions of key players in the field.…
Exploring Docker Security – Part 2: Container flaws
Now that we’ve understood the basics, this second part will cover the most relevant container threats, their possible impact as well as existent countermeasures. Beyond that, a short overview of the most important sources for container threats will be provided. I’m pretty sure you’re not counting on most of them. Want to know more?
MirageOS
Introduction MirageOS is a new and rising trend when it comes to talking about cloud computing. More and more services are being relocated into modern cloud infrastructures, due to a lot of advantages like i.e. reduced costs, maximum flexibility and high performance. Todays services normally depend on big virtual machines (like i.e. Ubuntu Xenial with…
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