North Korea bitcoin

Yesterday, I went to the electronic reading room. Not long after I plugged in the USB flash drive, the teacher suddenly asked everyone to unplug the USB flash drive. Some students found that all the files in the USB flash drive could not be opened, and there were two more documents asking for money

so everyone rushed to check, as long as the U disk inserted in the school computer were poisoned, large-scale computer poisoning occurred in the evening

a lot of people's information and graation thesis are in the computer. I really feel that hacker's behavior is disgusting. For the sake of money, regardless of the future of students, teachers' lifelong scientific research achievements...

hope to catch criminals as soon as possible and give them severe punishment by law

this virus will scan windows devices with open 445 file sharing port. As long as the user's device is on the Internet, hackers can implant blackmail software, remote control Trojan horse, virtual currency mining machine and other malicious programs in computers and servers

some security researchers point out that this large-scale network attack seems to be deployed through a worm application, and wannacry can spread among computers. What's more terrible is that unlike most malicious programs, this program can replicate and spread on its own in the network, and most of the current viruses still need to rely on the successful users to spread by cheating them to click the attachment with the attack code

the attack has affected 99 countries and as many as 75000 computers, but because the virus uses anonymous network and bitcoin anonymous transaction to obtain ransom, it is very difficult to track and locate the originator of the virus

1. secondly, we should be able to accurately judge whether rose red garnet or wine red garnet. Generally, garnet ornaments seen in shopping malls or jewelry stores are illuminated by light, which makes them look very bright, If you take the garnet jewelry to the outdoor natural light, it's easy to distinguish the two colors of garnet: the color of wine red garnet is very close to the color of wine we usually drink, and the color of rose red garnet is purplish. First of all, you can wear a strong light. You can use the light to play directly on the garnet jewelry to see the color of the garnet you want to buy

2. garnet is mainly dark red, so even rose red or rose purple garnet may still be dark red from a distance. In terms of the current market situation of common garnet bracelets, they can present bright, non dark red rose purple, only small grain garnet bracelets less than 8mm, and the brightly colored large grain top grade garnet rarely flows to the consumer market

3. another thing is to look at the texture of the baby. In a very simple way, the quality of the garnet crystal directly affects the price of the Garnet Bracelet. The high purity and transparency of the crystal show that the garnet has a good character, so its price is relatively high