Figure 3. Game invasion.
Defender agent D, whose task is to block the passage against invasion by the attacker A, tries to guess A’s next move from a symbol shown.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.