April 29, 2004

Stuffing Software Holes

http://infosecuritymag.techtarget.com/ss/0,295796,sid6_iss366_art684,00.html

A commonly accepted explanation for security problems is poorly written software, whether application or operating system. This article discusses 7 major trends in software development, many of which have security implications:

1. Disappearance of Bloated Operating Systems: Microsoft's 'kitchen sink' approach to operating systems has shown its vulnerability both legally and technically; a simple OS is a safer OS.
2. Evolution of Components and Objects: will allow security elements to be seamlessly integrated into application, but will also increase the risks of penetration
3. Rise of Mobile Code: will continue to cause security headaches.
4. Normalization of Distributed Computation: increases complexity, thus increasing exploit risks both logically and geographically.
5. Proliferation of Embedded Systems: PDA's have the organizational security potential of a hand grenade, though location-specific security application may help here.
6. Mass Adoption of Wireless Networks: represent the major challenge to organizational security.
7. Change in Payment Models: Giving digital content economic value makes it impossible to defend.

While many of these factors have a negative implication on security, the fact that they tend to specialized solutions in each application environment means that future security exploits will not be as widespread as at present. But when they do happen, they will cut much deeper.

A related article discusses the problems inherent in complexity, connectivity, and extensibility as these relate to current software:

http://infosecuritymag.techtarget.com/ss/0,295796,sid6_iss366_art689,00.html

I have known for some time that operating system code has increased in complexity [I remember the DOS days well], but the chart showing that the number of code lines in Windows OS has metastasized from 3 million to 50 million lines in 15 years is a vivid and arresting image!

Posted by jho at April 29, 2004 10:29 AM
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