Dieser Blog Post dient als Hintergrundartikel zum SRF Thementag «Blackout»: Wenn die Schweiz plötzlich keinen Strom mehr hätte vom Montag, 2. Januar 2017, 13.00 bis 22.00 Uhr (SRF News, SRF Kultur Wissen Beitrag) Wie ist die Vorgehensweisen von Hackern, die unerlaubten Zugriff auf fremde Systeme erlangen wollen? — beispielsweise im Netzwerk eines Energieversorgungsunternehmens. Basierend auf diesen […]
ASP.NET Core is a open-source and cross-platform framework for building modern cloud based internet connected applications, such as web apps, IoT apps and mobile backends. ASP.NET Core apps can run on .NET Core or on the full .NET Framework. It was architected to provide an optimized development framework for apps that are deployed to the cloud […]
About a year ago, the Burp extension SAML Raider [0] was released as a result of a bachelor thesis [1] in collaboration with Compass Security. This Burp extension automates most of the steps, which are necessary to test a SAML single sign-on process and perform according attacks. With SAML Raider, an authentication bypass vulnerability in a Service […]
Introduction The Content Security Policy (CSP) is one of the main web-based security mechanisms which helps websites’ owners to reduce their risks caused by Cross-Site-Scripting (XSS) or code injection attacks [1]. The CSP is nothing more than a policy that defines from where and to where a something can be loaded and fetched. This is […]
Android 7.0 (Nougat) brings a lot of new interesting security features such as: Direct Boot Key Attestation Network Security Configuration Scoped Directory Access Media Server Hardening All of these topics are very interesting from a security perspective. However, in this blog post we will solely focus on Direct Boot. Motivation There are apps, which should […]
The “Internet of Things” (IoT) grows quickly. More and more devices are connected to the Internet to automate tasks and simply life. Fridges automatically order milk, cars are taught to self-drive via a simple update and bridges send live updates about their structural integrity. According to Gartner’s 2016 Tech Trends, IoT will define the shape of tomorrow’s […]
At the beginning of August, as every year, two of our security analysts attended the most renowned IT security conferences Black Hat USA and DEF CON to learn about the latest trends and research. This year’s Black Hat conference, the 19th edition, took place at the Mandalay Bay Conference Center while DEF CON 24 was located […]
This post will give a quick intro into software defined radio (SDR) basics and provide guidance for the decoding of a very simple form of digital modulation (on-off keying). Device Wireless Specs Wireless junk hacking is not too difficult. Usually, devices transceive in the 433MHz or 868MHz ISM radio bands. As these bands are somewhat lax […]
Introduction The number one form of communication in corporate environments is email. Alone in 2015, the number of business emails sent and received per day were estimated to be over 112 billion [1] and employees spend on average 13 hours per week in their email inbox [2]. Unfortunately, emails are at times also misused for illegitimate […]
Cross-Site Scripting is harmless? Think again! Cross-Site Scripting, oftentimes referred to as “XSS”, is a common vulnerability of web applications. This vulnerability refers to the incorrect behavior of a web application to insufficiently encode user provided data when displaying it back to the user. If this is the case, attackers are able to inject malicious […]
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