1 00:00:00,040 --> 00:00:02,080 Large organizations like the Federal Government 2 00:00:02,080 --> 00:00:04,610 process a lot of sensitive information, 3 00:00:04,610 --> 00:00:06,600 and they want to ensure that their operating systems 4 00:00:06,600 --> 00:00:08,210 are truly trusted. 5 00:00:08,210 --> 00:00:10,750 To provide organizations with a level of assurance, 6 00:00:10,750 --> 00:00:13,300 the classification of a Trusted Operating System 7 00:00:13,300 --> 00:00:14,700 was created. 8 00:00:14,700 --> 00:00:17,350 A Trusted Operating System is any operating system 9 00:00:17,350 --> 00:00:20,100 that meets the requirements set forth by the government 10 00:00:20,100 --> 00:00:22,710 and it contains multilevel security. 11 00:00:22,710 --> 00:00:24,140 For the Security+ exam, 12 00:00:24,140 --> 00:00:26,720 you don't need to learn the specific requirements, 13 00:00:26,720 --> 00:00:28,440 but you should know that the government 14 00:00:28,440 --> 00:00:30,520 has a long list of them. 15 00:00:30,520 --> 00:00:32,290 What operating systems meet the criteria 16 00:00:32,290 --> 00:00:34,610 to be called a Trusted Operating System? 17 00:00:34,610 --> 00:00:37,400 Well, every version of Windows since Windows 7 18 00:00:37,400 --> 00:00:39,770 is considered a Trusted Operating System. 19 00:00:39,770 --> 00:00:42,140 This includes Windows 8, Windows 10, 20 00:00:42,140 --> 00:00:45,900 Windows Server 2012, and Windows Server 2016. 21 00:00:45,900 --> 00:00:50,010 Also, every version of Mac OS X since version 10.6 22 00:00:50,010 --> 00:00:52,900 is classified as a Trusted Operating System. 23 00:00:52,900 --> 00:00:54,600 If you're using FreeBSD, 24 00:00:54,600 --> 00:00:56,850 if you load the TrustedBSD extensions, 25 00:00:56,850 --> 00:00:58,730 this is also considered trusted, 26 00:00:58,730 --> 00:01:01,760 as well as Red Hat Enterprise Server. 27 00:01:01,760 --> 00:01:04,230 There are other Trusted Operating Systems out there as well, 28 00:01:04,230 --> 00:01:07,990 but those are much less popular than the ones listed here. 29 00:01:07,990 --> 00:01:10,040 To remain a Trusted Operating System, 30 00:01:10,040 --> 00:01:12,320 the software manufacturer must routinely provide 31 00:01:12,320 --> 00:01:14,300 patches and updates to the software 32 00:01:14,300 --> 00:01:16,500 in order to maintain its security. 33 00:01:16,500 --> 00:01:19,010 This is one of the reasons that both Mac and Windows 34 00:01:19,010 --> 00:01:20,860 provide frequent security updates, 35 00:01:20,860 --> 00:01:24,010 to patch any vulnerabilities that have been discovered. 36 00:01:24,010 --> 00:01:26,470 Prior to installing any patches or updates though, 37 00:01:26,470 --> 00:01:28,550 you should first verify the current version 38 00:01:28,550 --> 00:01:30,900 and build of your operating system. 39 00:01:30,900 --> 00:01:33,630 This is done by going to the system information program 40 00:01:33,630 --> 00:01:34,950 within your computer. 41 00:01:34,950 --> 00:01:36,160 For a Windows machine, 42 00:01:36,160 --> 00:01:39,670 you simply run the msinfo32.exe program 43 00:01:39,670 --> 00:01:40,910 from the Command Prompt 44 00:01:40,910 --> 00:01:42,690 and it'll display the exact version 45 00:01:42,690 --> 00:01:44,470 and build of the software. 46 00:01:44,470 --> 00:01:47,450 In this example, the computer is running Windows 10, 47 00:01:47,450 --> 00:01:51,790 version 10.0.10240. 48 00:01:51,790 --> 00:01:53,780 This contains all the patches and updates 49 00:01:53,780 --> 00:01:57,197 to the software code through Build 10240.