Answer :
4) Penetrate hostile networks. is NOT one of the four objectives established by the Department of Defense (DoD) Cyber Strategy.
The recognized objectives typically include:
Protect the cyber domain with allies and partners – This emphasizes the importance of collaboration with other nations to ensure the security of cyberspace and mutual benefits from joint efforts.
Defend the nation – This focuses on protecting the United States from cyber threats and defending its networks and systems against attacks.
Build enduring advantages in cyberspace – This objective is about developing and maintaining capabilities that offer a strategic edge in cybersecurity.
Penetrate hostile networks – This involves actively engaging with and infiltrating networks considered hostile to further national security and defense.