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 […]
Earlier this month, my colleague Cyrill Bannwart and I held two Compass Security Beer Talk presentations in Bern and Jona about Windows Phone 8.1 security. The slides are now online and cover: Our (unsuccessful) black box attempts to break out from a Windows perspective A review of the implemented security features in Windows Phone 8.1 from a mobile perspective Our findings […]
Nowadays, a growing list of XSLT processors exist with the purpose of transforming XML documents to other formats such as PDF, HTML or SVG. To this end such processors typically offer a powerful set of functionalities – which, from a security point of view, can potentially pose severe risks. Within this post, we highlight some […]
Microsoft Exchange 2013, the newest product in the Exchange series, is more and more enrolled in enterprise environments. With the new and enhanced features, for example the integration of SharePoint or Lync, the new Exchange is a well-designed piece of software which in parallel addresses different security concerns. Like Lync 2013 and the whole Microsoft […]
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 […]
Web Application Security Training Die Compass Security hat im Moment im Bereich Web Security zwei Kurse ausgeschrieben. Ein Basic und ein Advanced. Unsere öffentlichen Kurse dauern jeweils 2-Tage und bestehen zur Hälfte aus praktischen Beispielen (Hands-On Lab) und zur anderen Hälfte aus Theorie. Wobei die Doing-Aufgaben in der Regel eine Schritt-für-Schritt Anleitung sind. Der Hacker-Angriff […]
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 […]
On the last Saturday the 22nd of November, I attended BSidesVienna 2014 to deliver a talk about BurpSentinel. This tool is a Burp Suite extension giving better control over semi-automated requests sent to a given web application page. The presentation also covered aspects on automated Cross-Site Scripting and SQL injection detection. Despite talking early in the day (10 am), […]
Nowadays, we all relentlessly use search engines and developers extensively use version and source code control systems to keep track of their source code. Services such as Google or GitHub are great to search and retrieve information they gathered and stored. But when it comes to public indexing services, one big problem raises up: your whole […]
Recently, SANS Institute has published the 9th log management survey (2014). The paper identifies strengths and weaknesses in log management systems and practices. It further provides advice to improve visibility across systems with proper log collection, normalization and analysis. Log management is very important to Compass as it heavily influences forensic investigations. Evidently, accurate information […]
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