Protected subsystem A collection of procedures and data objects that is encapsulated in a domain of its own so that the internal structure of a data object is accessible only to the procedures of the ...

Since Monday, version 1.0 of the operating system can be downloaded from the project’s website. Qubes OS follows a “security by isolation” design principle.

0-day bug in fully patched OS X comes under active exploit to bypass password protection Privilege-escalation bug lets attackers infect Macs sans password.