Neustar taps ex-DHS advisor as CISO

Neustar has named Mark Tonnesen as its chief information and security officer.

In his new role, Tonnesen will lead the definition, development, delivery and security of Neustar’s technology infrastructure and services.

He will also be responsible for the overall operations of the company’s IT and product infrastructure, data centers and network and communications capabilities, the company said in a release.

He brings more than 20 years of technology experience to the company which he earned in roles such as senior advisor for the Homeland Security Department.

About the Author

Mark Hoover is a senior staff writer with Washington Technology. You can contact him at, or connect with him on Twitter at @mhooverWT.

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