CUSIP No. 46121E205 Schedule 13G Page 9 of 9

EXHIBIT 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the common stock of Intrusion Inc. and further agree that this Joint Filing Agreement be included as an Exhibit to such joint filings.

In evidence thereof, the undersigned, being duly authorized, have executed this Joint Filing Agreement this 10^th day of November 2010.

MAZ Partners LP
By:	MAZ Capital Advisors, LLC, its General Partner
By:	/s/ Walter Schenker
	Name: Walter Schenker
	Title: Manager
MAZ Capital Advisors, LLC
By:	/s/ Walter Schenker
	Name: Walter Schenker
	Title: Manager
By:	/s/ Walter Schenker
	Walter Schenker