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"WannaCry" and the attack on Wanwei Company both rely on cyber weapons stolen and released by shadow brokers, who effectively use these weapons against the government that develops weapons. WannaCry took advantage of the Windows operating system vulnerability "Eternal Blue" to launch an attack. It used unpatched Microsoft servers to spread malicious software (North Korea used it to spread blackmail software to 200,000 servers worldwide within 24 hours). The attack on Wanwei also used the "Eternal Blue" virus, but at the same time it also used another weapon called "DoublePulsar", which can penetrate the system without undermining the system's security measures. These weapons are designed to carry out silent destruction. They spread rapidly and uncontrollably, and anti-virus software all over the world cannot find them.Public User getUser2 () {郑氏见公婆郑重其事地来，心下诧异，一边让他们坐，一边问道：爹，娘，咋过来了？有事叫我们进去问呗。Deliberate practice takes place outside people's comfort zone and requires students to continuously try things that are just beyond their current ability.两人溜得比兔子还快，一边转头分辨，说他们才上来一会工夫，是红椒姐姐和香荽让拔的。Thank you for watching. I hope you didn't watch it late at night.《High School: Love On》是一部青春幻想浪漫成长电视剧，讲述变身人类的天使与热血高中学生们爱情、友情的故事。