Security Engineering - Security Stance

Security Stance

The two possible default positions on security matters are:

1. Default deny - "Everything, not explicitly permitted, is forbidden"

Improves security at a cost in functionality.
This is a good approach if you have lots of security threats.
See secure computing for a discussion of computer security using this approach.

2. Default permit - "Everything, not explicitly forbidden, is permitted"

Allows greater functionality by sacrificing security.
This is only a good approach in an environment where security threats are non-existent or negligible.
See computer insecurity for an example of the failure of this approach in the real world.

Read more about this topic:  Security Engineering

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