Misc

Your Android Bluetooth Traffic Captures Should Be Live

In this post I want to talk about a very essential part of my workflow when dealing with Bluetooth devices, particularly IoT devices with a corresponding mobile app: Live capture of Android Bluetooth traffic with Wireshark.

Before you stop reading because you think you know how to do this already, the method does not involve pulling bug reports off your phone, and it does not require root. And most importantly it gives you a live packet log in Wireshark.

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Misc

Windows Hello for Business – Full Report Has Been Released

Yesterday, the BSI (the German Federal Office for Information Security, or Bundesamt für Sicherheit in der Informationstechnik in German) published the first result document from the “Windows dissected” (ger.: “Windows seziert”) project: our analysis of Windows Hello for Business (WHfB). If you have followed this blog over the past year, you have seen the pieces. The full 170-page report has now been published. And it can be downloaded from the project page.

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Events

TROOPERS26: Integrating Incident Analysis and Digital Forensics Tooling for Automated Compromise Detection

Last week I gave a talk at #TROOPERS26: Integrating Incident Analysis and Digital Forensics Tooling for Automated Compromise Detection. I discussed the challenges of incident analysis, such as increasing storage capacities and the lack of integration between tools. I presented a modular framework that Continue reading “TROOPERS26: Integrating Incident Analysis and Digital Forensics Tooling for Automated Compromise Detection”

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Events

Heads-up: TROOPERS Roundtable – Supply Chain Security

How to strengthen Supply Chain Security: Practical Exchange and Roadmap

Join an open, practitioner-focused roundtable for direct exchange on supply chain security. This session offers a concise overview of core concepts, e.g. SBOM, CSAF, and VEX and digs into the processes behind them: how to obtain, process and apply information to improve security across the supply chain.

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Breaking

Vulnerability Disclosure: Stealing Emails via Firefox’s AI Features

Imagine the following: You visit a webpage with a lot of text you don’t want to read and ask your AI assistant for a summary. A few moments later, the AI assistant has extracted one of your emails and sent it to an attacker without you ever knowing.

In October 2025, we found exactly this vulnerability in Firefox’s AI chatbot integration1.

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Misc

Insights into Entra ID’s (Un)Conditional Access

When looking at security measures in Microsoft Entra ID environments, a common recommendation is to implement Conditional Access policies.

Whether Conditional Access is implemented can be quickly checked, and you can put a check mark next to it in your best-practice compliance form. However, simply implementing conditional access will not provide much security. A phishing attack that we recently analyzed highlights this very well.

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Breaking, Misc

CVE-2026-47237 – Overly Permissive Istio Permissions Allow Kubeflow Authorization Token Stealing

Kubeflow is vulnerable to the theft of authorization tokens by any user of the Kubeflow UI or APIs, such as the Dashboard, Pipelines API, or Notebooks. With this token, the attacker can take over the user’s account and the data that is processed by that user. The attacker needs a valid user with the kubeflow-edit or Contributor role in a random Kubeflow namespace to perform this attack. This is given if Automatic Profile Creation is enabled. A setup based on the official manifests prior to version 1.10, and on most other packaged Kubeflow distributions, is vulnerable.

The Istio edit permissions were removed by Kubeflow in a timely manner. Affected users should update to the latest version to mitigate this issue.

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Misc

ERNW White Paper 77: Unified Security Hardening with Cross-Platform Native Binaries

When configuring a new device, achieving an acceptable Lynis hardening score is a challenge most practitioners are familiar with.

Navigating its recommendations often requires significant background knowledge, leaving administrators without clear guidance on which settings are vulnerable and how to remediate them effectively.
We believe that security hardening should be insightful and accessible, a philosophy that drove this research and the development of our tool, Hardener, built around three identified deficits in established frameworks:

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Misc

ERNW White Paper 76: Linux Client Hardening Guide

Hardening a Linux client system to an acceptable degree is a time-consuming process, one that demands familiarity with a broad set of configuration parameters, framework recommendations, and the reasoning behind each control.

This post introduces our new Linux client hardening guide (MD, PDF), a comprehensive, publicly available hardening reference for Linux systems.

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Misc

When paradigms are shifting: InfoSec in the age of AI

Over the last few weeks, I have had a very productive exchange with Christoph Klaassen on the impact of AI on security governance and compliance. In this post, we summarize our thoughts.

When the Perimeter Dissolves: InfoSec in the Age of Agentic AI

There’s an old saying among hackers coined by Dr. Eugene Spafford: “The only truly secure system is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards – and even then I have my doubts.”1

It was a joke, a wry nod to the impossibility of perfect security. But here’s the thing: the joke doesn’t land anymore. Because in the world we’re building right now, the systems don’t stay powered off. They reason. They plan. They act. And they do it faster than any human security team can keep up.

Welcome to the age of agentic AI. If you work in Information Security Management and/or Governance, Risk & Compliance, this is the inflection point you may have been sensing in your gut for months.

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