RE: defining 0day

["Marvin Simkin" <Marvin.Simkin () asu edu>]

> Unpatched Vulnerability: Working Exploit

"Working in a white hat's lab" is not as urgent as "being abused right now in the wild".

> . . . or maybe "zero day exploit".

Proposed:

1. A 0-day EXPLOIT is an Unpatched Vulnerability that we realize is being or has been abused.

2. A 0-day VULNERABILITY: no such thing. All vulnerabilities are either Unpatched or Patched. They start out in 
Unpatched status the moment some programmer creates them. They remain Unpatched until they are Patched.

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Marvin Simkin
Manager of Information Technology
School of Earth and Space Exploration
Arizona State University
http://simkin.asu.edu/