René Mayrhofer

I just watched the BlackHat OpenAI-HuggingFace talk and have … mixed feelings, to be polite about it (insert warning about ranty language following): I didn’t hear a “we messed up and are sorry about our mistakes”, but this was another marketing talk dres…

This is the farewell note I sent to my Google colleagues after deciding to resign from my position as Principal Engineer/Architect for Android Security (a so-called “Independent Contributor” position after my primary Director role, when I stopped having d…

Vulnerability Finding and PoCs: A Defender’s Point of View — in the era of LLM coding agents This is an additional perspective to my 2019 post on PoC disclosure, taking into account recent advances in automated vulnerability finding and PoC creation throu…

Why For a few weeks, I have been struggling to make OPNsense perform well from a performance point of view on my low-power test box, an APU4d4.

This is a public list of some of my statements concerning the issue of IEEE Security&Privacy, NDSS, and USENIX Security only being hosted in the US.

I gave the following statement for the debate on the thesis of “Kriminalität ist der Preis der Freiheit.

Was passiert, wenn unser digitaler Schatten Form annimmt – sichtbar, befragbar, beobachtend?

Response to latest EU data retention initative In response to the Impact assessment on retention of data by service providers for criminal proceedings, I contributed the following statement: There are many good reasons why unspecific mass data retention of

Even more collateral damage The AI hype has been ongoing for a while now, and the ecological impact is bad.

Android Private Space Private space is a new feature introduced with Android 15 to add an additional lock on a subset of apps (and data/content) installed on a device.

Why Recently, my fiber-to-the-home (FTTH) connection changed from a slighly easier DHCP based setup to an additional required authentication step using PPPoE to connect to the Internet.

Password manager requirements Password managers are a necessary tool for keeping accounts secure.

Running Linux on a Lenovo Yoga 6 Gen 8 (2023 version, specifically 13ABR8, but probably applies to others as well) works reasonably well with most hardware being supported out-of-the-box with all Linux distributions from around 2022 or later that I have t…

We (mostly) seem to have made it through the Blockchain and cryptoscam hype with only medium collateral damage to most of the population (highly profitable ransomware and burning much more dirty coal than would otherwise have happened), but unfortunately…

This is an opt-out statement for the EU directive 2019/790 of the European Parliament on copyright and related rights in the Digital Single Market pertaining text and data mining for commercial use.

Thoughts I have very mixed feelings about #ChatGPT and related large language models (LLMs).

Executive summary The bird site has, after being bought by the Space Man (a.k.a.

Why Since switching to OPNsense as my main home network firewall/router, I have been having intermittent issues with DNS resolution latency.

It’s easy: I don’t intentionally collect any visitor data and won’t share any of the potential technical logging data the the web server collects.

Interne Notizen und Links in Vorbereitung des Interviews (unstrukturiert, aber hier im Sinne der Transparenz angegeben als Quellen der von mir genannten Zahlen): Daten von Cambridge University Centre for Alternative Finance: Bitcoin ca. 1GW Leistung, 130…

Introduction The academic peer review process can often be frustrating — not only for junior members of the research community.