Most Dangerous Tech Companies

By Bloomberg Rankings - 2013-12-12T02:27:18Z

Photograph by Gianluca Colla/Bloomberg

Company Symbol % Change
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10. Cisco Systems (Tied)

Sixteen percent of the top 50 U.S. technology companies identified the world's largest maker of computer-networking equipment as a threat in their annual filings with the SEC. Adobe Systems and Citrix Systems were among the eight companies that listed Cisco in the risk factors or competitors section of their 10-K reports. 

Cisco has been going beyond hardware to apply its expertise in how the Internet works to build more efficient software, including corporate communication and security tools.

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