One thing that many macOS users don’t know is that they are using a completely outdated version of the Bash shell. However, it is highly recommended to use a newer version of Bash on macOS, because it enables you to use useful new features. This article explains how to do this.

Transparently transform the macOS CLI into a fresh GNU/Linux CLI experience by

installing missing GNU programs
updating outdated GNU programs
replacing pre-installed BSD programs with their preferred GNU implementation
installing other programs common among popular GNU/Linux distributions

This post is about a heap buffer overflow vulnerability which I found in Apple's XNU operating system kernel. I have written a proof-of-concept exploit which can reboot any Mac or iOS device on the same network, without any user interaction. Apple have classified this vulnerability as a remote code execution vulnerability in the kernel, because it may be possible to exploit the buffer overflow to execute arbitrary code in the kernel.

Bashrc file or .profile are the place where we put the initialization of the bash/zsh/fish shell, and lot’s of software want to add a line here, mainly to init some environment variable, or change path (BTW there is a feature to do that on OSX). The result is a bloated, unreadable file for init. So, let’s split it in several files.

Office for Mac Macro Payload Generator

Alors que macOS High Sierra se rapproche, certains s’interrogent sur l’arrivée d’un nouveau système de fichiers sur les Mac : APFS, pour Apple File System. Il remplace le bien ancien HFS+ après près de 20 ans de service. Nous faisons le tour de ses fonctionnalités et apports, afin de mieux cerner ce nouveau venu.

7 mois sont passés, c’est l’heure du bilan. La migration est totalement achevée. Revendiquée. Bouleversante. Ce fut parfois dur, parfois désespérant, parfois à la rupture, mais c’est fait. Bien fait. Il n’y aura pas de retour en arrière. Une dé-li-bran-ce.

Almost 3 years ago I installed Mac OS X mavericks for the first time on my personal computer, before this I used a lot of distributions of gnu linux.

After 12 years, I switched from macOS to OpenBSD. It's clean, focused, stable, consistent and lets me get my work done without any hassle.

Macs don’t get much love in the forensics community, aside from @iamevltwin (Sarah Edwards), @patrickolsen (Patrick Olsen), @patrickwardle (Patrick Wardle), and a few other incredibly awesome pioneers in the field.

GitHub - drduh/macOS-Security-and-Privacy-Guide: A practical guide to securing macOS.

Running Mac OS X El Capitan and macOS Sierra on QEMU/KVM

This is a collection of thoughts on securing a modern Apple Mac computer using OS X 10.11 "El Capitan", as well as steps to improving online privacy.