` ` 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 . Napolitano said she doubts it will be necessary to fill all 1,000 of the authorized positions , but she is focused on making DHS a `` world-class cyberorganization . '' Reno considers the networks too crucial to be so vulnerable to attack .
` ` 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 .