00:00This is just this tool.
00:01And the hacker knows what is going on in your system.
00:05This tool is named Nmap.
00:08This is hackers and security experts use to scan the network.
00:13This checks which ports are open,
00:15which services are run,
00:17and which operating system in the system.
00:20For example, if you use this command,
00:24nmap-a target IP,
00:27then the system can be a lot of information.
00:31So don't ignore the network security,
00:33or no one can scan your system silently.
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