Internet of Things (IoT) and Operational Technology (OT) is an area that has grown strongly in recent years and is increasingly being used in the business world. To be able to test the security in this area, let’s take a closer look at the Message Queuing Telemetry Transport (MQTT) protocol to understand the strengths and weaknesses of the protocol.
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Offensive Defense
Black box analysis of a not so smart card in ID-1 form factor that is in use for the billing of washing machines and tumble driers.
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 […]
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 […]
In diesem Artikel wird aufgezeigt, wie einfach das per Funk ausgestrahlte DCF77 Zeitsignal manipuliert werden kann. DCF77 wird in vielen Bereichen eingesetzt in denen eine genaue Uhrzeit benötigt wird: Von der einfachen Armbanduhr bis zur Industrieanlage. Was ist DCF77 In Europa existiert seit 1959 der Zeit Sender DCF77. Der Sender verfügt über eine Reichweite von 2000km […]
Back in Black (back from Black Hat with a bag full of schwag and branded black shirts). Black Hat and DEF CON again allowed insights into latest research and concerns. Where some topics loose grip ( vulnerability scanning, IPv4, DNS, general web issues) others gain momentum (DDoS, mobile computing, smart energy, industrial control and embedded […]
Cyrill Brunschwiler’s talk was selected “among the very best research available today” to be presented side-by-side with the security industries top researchers on the world’s most renowned security conference – Black Hat USA in Las Vegas. He will be speaking on “Energy Fraud and Orchestrated Blackouts: Issues with Wireless Metering Protocols (wM-Bus)”. The work presented […]
The article will provide a quick overview and introduction into the Operationally Critical Threat, Asset, and Vulnerability Evaluation (OCTAVE) Allegro [1] methodology, its approach and terminology. OCTAVE Allegro is an asset centric and lean risk assessment successor of the OCTAVE method. The method supports a straight-forward qualitative risk assessment and structured threat analysis which mainly […]
The advanced metering infrastructure (AMI) is typically structured into a bunch of networks and composed of a few major components. Figure 1 provides an overview of all components and most networks. It is made up of the Meter, the Collector and of the server systems at the distribution system operator (DSO) or metering company side. […]
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