1 00:00:00,000 --> 00:00:00,800 2 00:00:00,800 --> 00:00:03,030 - The extraordinary hacking spree 3 00:00:03,030 --> 00:00:06,600 that hit Twitter, targeting some of the most high profile 4 00:00:06,600 --> 00:00:10,950 accounts, is drawing urgent questions about the platform's 5 00:00:10,950 --> 00:00:13,200 security and resilience. 6 00:00:13,200 --> 00:00:16,410 The company said late Wednesday that hackers took control 7 00:00:16,410 --> 00:00:20,280 of employee credentials to hijack the accounts of some 8 00:00:20,280 --> 00:00:24,870 of the most prominent political and business figures in the US, 9 00:00:24,870 --> 00:00:28,020 from Barack Obama and Joe Biden to Bill 10 00:00:28,020 --> 00:00:30,060 Gates and Warren Buffett. 11 00:00:30,060 --> 00:00:32,910 In a series of tweets, the company said, quote, 12 00:00:32,910 --> 00:00:35,070 "we detected what we believed to be 13 00:00:35,070 --> 00:00:38,730 a coordinated social engineering attack by people who 14 00:00:38,730 --> 00:00:41,640 successfully targeted some of our employees 15 00:00:41,640 --> 00:00:45,240 with access to internal systems and tools." 16 00:00:45,240 --> 00:00:48,180 The company's statement confirmed the fears of security 17 00:00:48,180 --> 00:00:51,180 experts that the service itself, rather than 18 00:00:51,180 --> 00:00:53,670 users, had been compromised. 19 00:00:53,670 --> 00:00:56,220 Posing as celebrities and the wealthy, 20 00:00:56,220 --> 00:01:00,480 those responsible for the attack asked followers to send Bitcoin 21 00:01:00,480 --> 00:01:02,250 to a series of addresses. 22 00:01:02,250 --> 00:01:04,830 MIKKO HYPPONEN: I don't think this particular attack has 23 00:01:04,830 --> 00:01:06,480 any links to foreign nations. 24 00:01:06,480 --> 00:01:09,750 - Mikko Hypponen, a cybersecurity expert, 25 00:01:09,750 --> 00:01:13,710 says what the hackers chose to do with their access tells us 26 00:01:13,710 --> 00:01:15,705 a lot about who they could be. 27 00:01:15,705 --> 00:01:18,660 MIKKO HYPPONEN: Remembering they could do anything on Twitter, 28 00:01:18,660 --> 00:01:22,170 they chose to use these quick hack mechanisms of making 29 00:01:22,170 --> 00:01:24,060 a little bit of Bitcoin. 30 00:01:24,060 --> 00:01:26,860 They could have sold this access to a number of places-- 31 00:01:26,860 --> 00:01:29,340 for example, to foreign intelligence agencies. 32 00:01:29,340 --> 00:01:32,930 They could have used this access to announce a merger 33 00:01:32,930 --> 00:01:35,790 and acquisition in the name of Bill Gates or Elon Musk, 34 00:01:35,790 --> 00:01:38,610 which would have immediately affected stock prices. 35 00:01:38,610 --> 00:01:41,490 This was most likely an opportunistic hack, 36 00:01:41,490 --> 00:01:44,520 most likely done by some younger people. 37 00:01:44,520 --> 00:01:46,470 And this was the first thing they could imagine 38 00:01:46,470 --> 00:01:47,610 to make some money with. 39 00:01:47,610 --> 00:01:51,360 - Wednesday's hack, the worst to date for Twitter, 40 00:01:51,360 --> 00:01:54,930 is also raising questions about Twitter's resilience 41 00:01:54,930 --> 00:01:57,990 in the run-up to the US presidential election. 42 00:01:57,990 --> 00:02:01,800 Its role as a key communications platform for politicians 43 00:02:01,800 --> 00:02:05,070 and public officials, including President Donald Trump, 44 00:02:05,070 --> 00:02:07,980 has led to fears hackers could wreak havoc 45 00:02:07,980 --> 00:02:10,740 with the November election or otherwise 46 00:02:10,740 --> 00:02:12,930 compromise national security. 47 00:02:12,930 --> 00:02:17,190 After the day's chaos, Twitter CEO Jack Dorsey said quote, 48 00:02:17,190 --> 00:02:19,330 "tough day for us at Twitter. 49 00:02:19,330 --> 00:02:22,940 We all feel terrible this happened." 50 00:02:22,940 --> 00:02:24,000