Recent posts about Little Snitch

Little Snitch and the Deprecation of Kernel Extensions

You probably came here because your Mac showed a message telling you that software from “Objective Development Software GmbH” (Little Snitch) loaded a system extension that will no longer be compatible with a future version of macOS and that you »

macOS 10.15.1 Update Fixes Kernel Prelinking

The initial release of macOS Catalina caused trouble for a lot of Little Snitch users. Updating an existing version of Little Sntich would almost always lead to a dreaded “Version Mismatch” error being shown after restarting your Mac. We documented »

How Kernel Prelinking Works on macOS Catalina (or not)

Update on October 30, 2019: This issue is fixed in macOS 10.15.1.In this article we’d like to outline some technical details about how the installation of a kernel extension works on macOS Catalina, about potential pitfalls »

The Story Behind CVE-2019-13013

This blog post targets fellow software developers. It’s a story of how it could happen that we shipped a version of Little Snitch with a serious vulnerability and, more importantly, what we can learn from it. It all began »

All That Glitters is not Gold

In February 2019, security experts from Trend Micro published an article about a new variety of malware. This particular attempt gained additional attention because it was the first time that cybercriminals tried to run an .exe file (Windows executable) on »

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