In advance of Friday's general release of Apple Mac OS X Leopard, Apple has posted a variety of preview pages, one of which details new security features. In Apple's preview, the Cupertino vendor cites 11 specific enhancements that should make Leopard more secure than Tiger.
Library randomization: This is huge. The technology behind this, address space layout randomization (ASLR), randomly arranges the positions of key data areas. This prevents malware authors from predicting the targeted memory addresses for buffer overflows and malware exploitation. Windows Vista includes ASLR.
Sandboxing: Sandboxing allows applets to run without interfering with the overall … Read more