Interlink secures $7.5 million

Interlink Networks announced Monday it raised $7.5 million in a second round of funding led by Duchossois Technology Partners. Other investors include Arbor Partners, Intel Capital, M Group and Siemens Venture Capital. Ann Arbor, Mich.-based Interlink Networks, which develops software for network security and access control, has raised a total of $12.5 million.