1 00:00:00,240 --> 00:00:05,550 ‫So let's have a look at NASA's developed by Tenable Network security is one of the most popular and 2 00:00:05,550 --> 00:00:07,470 ‫capable vulnerability scanners. 3 00:00:08,340 --> 00:00:11,070 ‫NASA's professional is a commercial product. 4 00:00:11,490 --> 00:00:17,730 ‫In addition, a free NASA's home version is also available, though it's limited and only licensed for 5 00:00:17,730 --> 00:00:18,810 ‫home network use. 6 00:00:19,800 --> 00:00:22,710 ‫NASA's allow scans for the following types of vulnerabilities. 7 00:00:23,730 --> 00:00:29,160 ‫Vulnerabilities that allow a remote hacker to control or access sensitive data on a system. 8 00:00:30,300 --> 00:00:39,510 ‫Misconfiguration, for example, open mail relay, missing patches etc default passwords, a few common 9 00:00:39,510 --> 00:00:44,400 ‫passwords and blank or absent passwords on some system accounts. 10 00:00:45,060 --> 00:00:50,160 ‫Neces can also call Hydra an external tool to launch a dictionary attack. 11 00:00:51,570 --> 00:00:56,850 ‫Denials of service against the TCP IP stack by using malformed packets. 12 00:00:58,300 --> 00:01:01,300 ‫And preparation for PCI, DSS audits. 13 00:01:02,330 --> 00:01:07,600 ‫Now, in a typical operation, Nasir's begins by doing a port scan to determine which ports are open 14 00:01:07,600 --> 00:01:11,680 ‫on the target and then tries various exploits on the open ports. 15 00:01:12,430 --> 00:01:19,390 ‫The vulnerability tests available as subscriptions are written in NASL Nessus attack scripting language, 16 00:01:19,780 --> 00:01:23,680 ‫a scripting language optimized for custom network interaction. 17 00:01:25,310 --> 00:01:30,020 ‫NASA's is constantly updated with more than 70000 plug ins. 18 00:01:31,280 --> 00:01:38,030 ‫Key features include remote and local authenticated security checks, a client server architecture with 19 00:01:38,030 --> 00:01:45,140 ‫a web based interface, and an embedded scripting language for writing your own plug ins or understanding 20 00:01:45,140 --> 00:01:45,920 ‫the existing one. 21 00:01:47,080 --> 00:01:53,650 ‫Optionally, the results of the scan can be reported in various formats, such as plain text, XML, 22 00:01:54,040 --> 00:01:56,350 ‫HTML and latex.