"I am very pessimistic about weapons of mass destruction, but I think the possibility of a nuclear war is lower than that of chemical weapons and cyber attacks." No one thought that Buffett was at the Berkshire Hathaway shareholders meeting a week ago. The words said have become true so soon.

On the evening of May 12, WanaCryptOr 2.0 ransomware broke out in the world (WCry2.0). Wcry2.0 can scan a Windows machine that has an open 445 file-sharing port without any user intervention, thus implanting a malicious program. When it is implanted, the file will be encrypted, and then the computer will pop up a window showing that it needs to pay 300 US dollars (about RMB 2068 yuan) within three days to unlock, overdue ransom, no payment within seven days, you can no longer The file is restored and the form of payment is required to be paid in bitcoin.

At present, the virus has spread to hundreds of countries around the world. At present, relevant reports show that many colleges and universities in China have also made moves. According to relevant media and news, the gas station of a certain oil company in the country suddenly broke off at around 0 o'clock today, and can only use cash to pay, but the gas station refueling business is operating normally.

In the medical field, the UK's medical system has been severely tested. According to CNN, about 25 hospitals were attacked extensively and could not function properly. The operation was cancelled and the ambulance was forced to switch to other hospitals.

Another British official said that in England, at least 16 hospitals and related institutions of the British National Health Service (NHS) were attacked, while five in Scotland. These attacked hospitals, the hospital's intranet was compromised, the computer was locked, and the phone was blocked. The hacker asked for a ransom of 300 bitcoin (nearly 4 million yuan) per hospital, otherwise all the information would be deleted.

Britain's Prime Minister Theresa May said the UK government's information security department is working with the NHS. She confirmed that no patient data was leaked.

Medical workers report that their systems are locked out and can't get in. A message appears on the screen asking them to pay a "ransom" to reopen.

A hospital in the UK issued a Twitter message saying that preventive measures are being taken to protect patients. Some doctors posted a Twitter message stating that they were unable to obtain the patient's file due to the attack.

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