` ` Cybersecurity is one of our most urgent concerns , '' says DHS chief Janet Reno . Action to protect U.S. computer networks will occur over the next three years . Reno considers the networks too crucial to be so vulnerable to attack .
`` Cybersecurity is one of our most urgent priorities , '' says DHS chief Janet Napolitano . Hiring to protect U.S. computer networks will occur over the next three years . Napolitano says computer networks too crucial to be left vulnerable to attack .