The DHS Is Responsible for Is Safeguarding and Securing Cyberspace

The DHS is responsible for is safeguarding and securing cyberspace. DHS efforts in this area are clearly a work in progress, but why is it not completely their fault?

A) It's the fault of Congress, where legislation on cyber security has stalled, due to privacy and liability concerns.
B) The fault lies with the President, who has refused labels of terrorism, even in cases of cyberterrorism.
C) The Supreme Court thinks cyberterrorists should be treated as criminals and protected under the Constitution.
D) It's the fault of other governmental agencies who refuse to or are too inept to share information with the DHS.