In this article, unless the context otherwise requires:

1. 1. "Breach" or "security system breach" has the same meaning prescribed in section 18-551.
2. 2. "Budget unit" has the same meaning prescribed in section 18-101.
3. 3. "Information technology" has the same meaning prescribed in section 18-101.
4. 4. "Security incident" has the same meaning prescribed in section 18-551.