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 […]
Der von Microsoft publizierte “out-of-band” Patch MS14-068 [1] (Vulnerability in Kerberos Could Allow Elevation of Privilege – 3011780) behebt eine Schwachstelle in Kerberos, welche es einem normalen Benutzer erlaubt, administrative Privilegien in der Windows Domäne zu erlangen. Die ersten öffentlichen Artikel [2] mutmassten, dass die Kerberos Services den CRC32 Algorithmus als gütlige Signatur auf Tickets […]
Nachdem am 25. Mai 2014 bereits Alexandre Herzog, CTO bei Compass Security, mit dem 1337-Award durch die SGRP, einer Alumni-Organisation für MAS Information Security[1] Absolventen der Hochschule Luzern, ausgezeichnet [2] wurde, ist es erneut einem Compass Mitarbeiter gelungen, die Fachjury von seinem ausserordentlichen Wissen und Können zu überzeugen. Lukas Reschke hat im Rahmen seines Praktikums […]
This article was published when I just flipped through the final slides talking at “Hack in Paris” on smart meter wireless protocol issues. The combo of trainings, conference and the “nuit du hack” is held at the Disney Land Resort Paris for the 4th edition. Yes, Disney Land. When I arrived at the hotel I […]
Compass crew members just got back to work from a fun weekend/night at Insomni’hack (Geneva) where hackers met [0] to solve puzzles and enjoying the hacker community. On the way back home was sufficient time to clean-up systems and to reflect on some of the challenges. There was a variety of brain teasing puzzles relating […]
Each year, the world renowned Royal Holloway University of London (RHUL) Information Security Group (ISG) invites potential, current and past students to join the weekend conference and meet with well regarded security researchers and experts from academia, UK government and the industries. Part of the tradition is to to have dinner at the wonderfull and […]
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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