Operating System threats I (robustness)

• Unsecure OS:

  • malicious user exploit OS flaw (buffer overflow, ...) in order to access to multimedia content when he does not has permission to do so
  • OS security depends on:
    • solid development
    • architecture strengths: microkernel / monolithic, user mode / kernel mode, ...
    • fast bugs detection
    • bug reporting
    • quick issue of patches