The United States and Russia are locked in a fundamental dispute over how to counter the growing threat of cyberwar attacks that could wreak havoc on computer systems and the Internet.

Both nations agree that cyberspace is an emerging battleground. The two sides are expected to address the subject when President Obama visits Russia next week and at the General Assembly of the United Nations in November, according to a senior State Department official.

The Pentagon is planning to create a military command to prepare for both defense and offensive computer warfare. And last month, President Obama released his cybersecurity strategy and said he would appoint a “cybersecurity coordinator” to lead efforts to protect government computers, the air traffic control system and other essential systems. The administration also emphasizes the benefits of building international cooperation.