1 1 00:00:00,980 --> 00:00:02,520 Now, as I promised you, 2 2 00:00:02,520 --> 00:00:05,370 this course is going to be highly practical. 3 3 00:00:05,370 --> 00:00:08,763 But I also promised that I will not neglect the theory. 4 4 00:00:09,900 --> 00:00:11,610 Now, what we mean by hacking 5 5 00:00:11,610 --> 00:00:15,280 is being able to gain access to a system 6 6 00:00:15,280 --> 00:00:18,170 that you're not supposed to have access to. 7 7 00:00:18,170 --> 00:00:21,240 So for example, logging into an email account 8 8 00:00:21,240 --> 00:00:23,700 that you're not supposed to have access to 9 9 00:00:23,700 --> 00:00:26,003 is considered hacking that account. 10 10 00:00:26,890 --> 00:00:29,350 Gaining access to a remote computer 11 11 00:00:29,350 --> 00:00:31,530 that you're not supposed to have access to 12 12 00:00:31,530 --> 00:00:33,480 is hacking that computer. 13 13 00:00:33,480 --> 00:00:36,030 Reading information that you're not supposed 14 14 00:00:36,030 --> 00:00:39,363 to be able to read, again, is considered hacking. 15 15 00:00:40,340 --> 00:00:43,610 So you can see that there is a large number of ways 16 16 00:00:43,610 --> 00:00:46,090 to hack into a system, and the word hacking 17 17 00:00:46,090 --> 00:00:48,240 can refer to a number of things, 18 18 00:00:48,240 --> 00:00:50,880 but the main concept is the same, 19 19 00:00:50,880 --> 00:00:53,770 gaining access or being able to do things 20 20 00:00:53,770 --> 00:00:56,400 that you're not supposed to be able to do 21 21 00:00:56,400 --> 00:00:58,570 is considered hacking. 22 22 00:00:58,570 --> 00:01:01,110 Now, there are three main types of hackers. 23 23 00:01:01,110 --> 00:01:02,840 We have the black-hat hackers, 24 24 00:01:02,840 --> 00:01:06,540 these are the bad people that hack systems illegally 25 25 00:01:06,540 --> 00:01:08,190 in order to steal money, 26 26 00:01:08,190 --> 00:01:11,183 or to achieve their own illegal goals. 27 27 00:01:12,050 --> 00:01:15,370 The second part of hackers are the white-hat hackers. 28 28 00:01:15,370 --> 00:01:19,340 So this is us, these people use the same techniques 29 29 00:01:19,340 --> 00:01:21,400 used by the black-hat hackers, 30 30 00:01:21,400 --> 00:01:23,790 and they also hack into systems. 31 31 00:01:23,790 --> 00:01:26,300 But they only hack into systems 32 32 00:01:26,300 --> 00:01:28,630 that they have permission to hack 33 33 00:01:28,630 --> 00:01:31,963 in order to test the security of the systems. 34 34 00:01:32,910 --> 00:01:36,370 And finally, we have the gray-hat hackers. 35 35 00:01:36,370 --> 00:01:38,610 These are a mixture of the two, 36 36 00:01:38,610 --> 00:01:40,480 so they'll hack into any system, 37 37 00:01:40,480 --> 00:01:42,310 even if they don't have permission 38 38 00:01:42,310 --> 00:01:44,890 to test the security of the system. 39 39 00:01:44,890 --> 00:01:48,480 But they will never steal money or damage that system, 40 40 00:01:48,480 --> 00:01:50,480 and in most cases, they'll go ahead 41 41 00:01:50,480 --> 00:01:53,710 and tell the administrator of that system. 42 42 00:01:53,710 --> 00:01:56,100 But what they do is still illegal 43 43 00:01:56,100 --> 00:01:59,170 because they test the security of systems 44 44 00:01:59,170 --> 00:02:02,853 that they do not own, or do not have permission to test. 45 45 00:02:03,840 --> 00:02:07,630 Now, one big question that people always ask is why hacking? 46 46 00:02:07,630 --> 00:02:09,700 Why teach or learn hacking? 47 47 00:02:09,700 --> 00:02:12,110 Well, hacking is an existing industry, 48 48 00:02:12,110 --> 00:02:15,270 there are lots of job opportunities for ethical hackers, 49 49 00:02:15,270 --> 00:02:17,450 for people like us, who would go ahead 50 50 00:02:17,450 --> 00:02:19,420 and test the security of systems 51 51 00:02:19,420 --> 00:02:21,910 to make sure that these systems are secure 52 52 00:02:21,910 --> 00:02:24,980 and not vulnerable to black-hat hackers. 53 53 00:02:24,980 --> 00:02:26,530 There is actually a huge demand 54 54 00:02:26,530 --> 00:02:28,320 for ethical hackers these days 55 55 00:02:28,320 --> 00:02:32,130 because of the increased amount of hacking attacks. 56 56 00:02:32,130 --> 00:02:34,720 So we hear on the daily big systems 57 57 00:02:34,720 --> 00:02:37,230 and big companies are getting hacked. 58 58 00:02:37,230 --> 00:02:39,310 Not so long ago, Uber got hacked, 59 59 00:02:39,310 --> 00:02:44,310 and information of more than 56 million users were exposed. 60 60 00:02:44,410 --> 00:02:47,420 So companies like Uber, Facebook, and Google, 61 61 00:02:47,420 --> 00:02:49,930 they hire hackers in order to try 62 62 00:02:49,930 --> 00:02:51,550 and hack into their systems, 63 63 00:02:51,550 --> 00:02:53,720 and tell them where the weaknesses are 64 64 00:02:53,720 --> 00:02:55,550 so that they can fix it. 65 65 00:02:55,550 --> 00:02:57,640 They also have bug bounty programs 66 66 00:02:57,640 --> 00:03:00,660 where they literally ask all the hackers around the world 67 67 00:03:00,660 --> 00:03:02,960 to go ahead and try to hack into their websites 68 68 00:03:02,960 --> 00:03:05,490 and with their web applications, and if they could, 69 69 00:03:05,490 --> 00:03:08,313 they will pay them a bounty for the bugs that they find.