Compass Security Blog

Offensive Defense

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OWASP – Toronto January 2020

A write-up of the OWASP Toronto January talk which mainly focused on the correlation and integration of results generated by automated tools in application security such as SAST, DAST and SCA. Alexandre Larocque concludes whether old-fashioned PDF reports are still worth it.

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Introducing Web Vulnerabilities into Native Apps

Mobile applications nowadays make heavy use of WebViews in order to render their user interfaces. Frameworks such as PhoneGap / Apache Cordova are even used to implement most of the application’s functionalities using WebViews only.

While native code, both in Android and in iOS, can quickly be analyzed using dynamic analysis tools like Frida, operations performed in WebViews cannot be easily debugged with the same methods.

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Practical OpenID Connect Pentesting

This post is intended to explain what you typically want to check for during an OpenID Connect assessment and also provide you with a guide to setup your own OpenID Connect test environment.

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About TLS Perfect Forward Secrecy and Session Resumption

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 […]

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SharePoint: Collaboration vs. XSS

SharePoint is a very popular browser-based collaboration and content management platform. Due to its high complexity, proprietary technology and confusing terminology it is often perceived as a black-box that IT and security professionals do not feel very comfortable with. These days, web security topics are well understood by many security professionals, penetration testers and vendors. But what […]

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SharePoint: How to collaborate with external parties?

Opening up an internal SharePoint farm to the Internet in order to share resources with external parties might seem a good idea, because it helps avoiding expensive infrastructure changes. However, in terms of security, this is not recommended because it does not sufficiently protect internal resources from external threats. The protection of internal resources hinges […]

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Wrap-up: Hack-Lab 2017#2

What is a Hack-Lab? Compass Security provides a monthly playful occasion for the security analysts to get-together and try to hack new devices, dive into current technologies and share their skills with their fellows. This also includes the improvement of internal tools, the research of newly identified publicly known attacks, and security analysis of hardware […]

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How to reduce the threat from third-party includes

To achieve better-looking, more feature-rich and responsive applications, there is an ever-growing need to include resources from 3rd party domains into your web application. Common examples are JavaScript frameworks like jQuery or AngularJS, often distributed via a content delivery network (CDN), or even complete applications like Google Maps. But by including these resources, the security […]

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Wrap-up: Hack-Lab 2017#1

What is a Hack-Lab? Compass Security provides a monthly playful occasion for the security analysts to get-together and try to hack new devices, dive into current technologies and share their skills with their fellows. This also includes the improvement of internal tools, the research of newly identified publicly known attacks, and security analysis of hardware […]

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SAMLRequest Support for SAML Raider

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 […]

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