ISC8 Strengthens Corporate Development Naming Marcus A. Williams as Senior Vice President

COSTA MESA, Calif., Dec. 20, 2011 /PRNewswire/ -- ISC8 (OTCBB: IRSN) announced today the appointment of Marcus A. Williams as Senior Vice President of Corporate Development.  In this role, Williams will oversee the company's M&A activities along with other strategic corporate development projects, reporting to Bill Joll, President and CEO of ISC8.  Mr. Williams previously served on the ISC8 Board of Directors, on the Compensation and Governance Committees, and stepped down from that position to join the organization in this new role.

Mr. Williams brings over 15 years of experience to ISC8 in a variety of M&A, strategic finance and legal roles. He was most recently Vice President of Transactions and Development with Tech Team Global, Inc., a role he assumed after serving as Assistant General Counsel. Mr. Williams also served a similar role for TechTeam subsidiaries domestically and internationally, including TechTeam Government Solutions, Inc., a provider of classified IT services to agencies of the United States government.  Mr. Williams led the sale of both TechTeam Government Solutions, Inc. and TechTeam Global, Inc., with both transactions closing in late 2010.

"The addition of Marcus to the ISC8 management team builds on our long-term strategy to recruit top-level talent with diverse backgrounds to support the company's future growth needs," said Joll. "His financial acumen, coupled with his strategic legal experience, makes him well suited to assist us with opportunities for growth and to enhance value for our shareholders."

"I'm thrilled to join ISC8 at this exciting time," said Williams. "I like this company and its new management, and look forward to working with them to identify and deliver new opportunities to create shareholder value."

While in private law practice, Mr. Williams focused on M&A and financing transactions, as well as governance and select securities matters, primarily for IT services and government contracting companies.

Mr. Williams received his BBA in Finance and Accounting from the University of Michigan Ross School of Business, and his JD from the University of Michigan Law School.

About ISC8
ISC8 is actively engaged in the development and sale of intelligent Cybersecurity solutions for information technology (IT) for commercial and government environments worldwide. To provide multiple hardware, software and cloud-based product and service offerings that enable Enterprise Threat Management it leverages anti-tamper, 3D stacked chip assemblies, high-speed processors, and miniaturized sensors – all technologies it was instrumental in developing. The company's other division manufactures and sells thermal imaging systems for current U.S. Military force platforms. ISC8 (Irvine Sensors Corporation) was founded in 1974 and is headquartered in Costa Mesa, California.

ISC8 Statement Under the Private Securities Litigation Reform Act
The release contains information about future expectations, plans and prospects of ISC8's management that constitute forward-looking statements for purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those indicated by these forward-looking statements as a result of various important factors including, but not limited to, the effects of any attempts to intentionally disrupt our services or network by hackers or others, changes in ISC8's technologies such that they are no longer inter-operable, failure of customers to adopt, or delays in their adoption of, ISC8 products or services discussed above, and other factors that are discussed in the Company's Annual Report on Form 10-K, quarterly reports on Form 10-Q, and other documents periodically filed with the SEC.

SOURCE ISC8