Perfect Forward Secrecy (PFS) is a concept in Transport Layer Security (TLS) that makes sure that even if attackers manage to gain access to the private key of a certificate, they are not able to decrypt communication from the past (or communication in the future, without using active man in the middle attacks). Or in other […]
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 […]
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 […]
Compass Security wird vermehrt von Kunden bzgl. Verdacht auf Advanced Persistent Threat (APT) kontaktiert. Unter die Bezeichnung “APT” fallen komplexe, zielgerichtete und äusserst effektive Angriffe auf kritische und zuweilen gar unternehmenswichtige Computersysteme bzw. deren gespeicherte Informationen. Die Analyse von potentiell infiltrierten Netzen und Systemen gestaltet sich jedoch als enorm aufwändig, da Unmengen von Datensätzen und […]
Finally, IPv6 is arriving… Since the IPv6 Launch Day in 2012, the number of native IPv6 users have been sextupled. In Switzerland, the IPv6 adoption rate is around 10%, which is quite impressive. In this blog post, the successor of ARP, namely the Neighbor Discovery Protocol (NDP), is introduced and its security features described. IPv4 […]
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