It sounds like you’re referring to a blog post title that mentions , Mac OS X , and a crack/patch group tag ( -Kd By Openssh-l ).
: It is officially qualified for older operating systems, specifically Mac OS X 10.6.7 (Snow Leopard) through 10.8.5 (Mountain Lion) . It is not supported on macOS 10.9 (Mavericks) or higher. Avid Pro Tools HD 10 3 10 Mac OSX -Kd By Openssh-l
Avid no longer provides active support or downloads for Pro Tools 10. Current information on supported systems can be found on the Avid Knowledge Base Pro Tools 10.3.10 Information & Downloads - Knowledge Base Avid Pro Tools HD 10