Exploring the Qubes OS secure operating system
Most operating systems claim to be secure; however, most fail terribly. Newcomer Qubes OS tries a different approach, relying on a microkernel and pervasive virtualization.
Does the world really need another operating system that claims to be totally secure? It already has OpenBSD, which has reported two remote vulnerabilities in the past 16 years – others can only dream of that kind of security.
OpenBSD also does everything right in terms of its design: It guarantees security through high-quality management, including code reviews, coding standards, and automated tests. According to most experts, checking the code is essential for any secure system, because the majority of all serious security issues are attributable to well-known programming errors.
Break-ins occur because of buffer overflows, format string vulnerabilities, off-by-one errors, and sometimes also because of incorrectly initialized random number generators.
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