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日々！ｴﾝォ事件として、ｴｰこういったﾊﾞｸﾞﾊﾖｺｸﾝゥ゛ゥ゛ゥ゛～が、ﾏｰ行われてないかとか、ｱ゛ー…ｧ今日は変なことが起こらなかったけど、明日起こるんじゃないかとかﾊ、 | 日々！ｴﾝォ事件として、ｴｰこういったﾊﾞｸﾞﾊﾖｺｸﾝゥ゛ゥ゛ゥ゛～が、ﾏｰ行われてないかとか、ｱ゛ー…ｧ今日は変なことが起こらなかったけど、明日起こるんじゃないかとかﾊ、 | ||
こういったことをｼﾃ、ｲﾙ、ｩ゛ｰ…ﾝ゛ｰ若者が、いるんであれば、ｿﾗﾓｳただちに、ｨ゛ｰやめたほうが良いと！お伝えたいです | こういったことをｼﾃ、ｲﾙ、ｩ゛ｰ…ﾝ゛ｰ若者が、いるんであれば、ｿﾗﾓｳただちに、ｨ゛ｰやめたほうが良いと！お伝えたいです | ||
====英語版==== | |||
A man was given a suspended sentence after found guilty of sending emails threatened to blow up Matsudo city hall and Chiba prefecture. Municipalities have been hit by a series of threats this year. NHK has learned that nearly 140 threats have been sent to 66 prefectures and municipalities. | |||
An NHK reporter says police and others have been on alert checking for explosives at the airport since early this morning after it was a subject to a bomb threat. Police and airport authorities are busy searching for explosives following the bomb threat at the airport in Nagano two days ago. | |||
This passenger says it's frighten. Another says he feels threaten. | |||
This email has been sent to Nagano prefecture office. This message says the airport in the prefecture and other prefectural facilities will be blown up on October 19th. | |||
"Are you afraid? You'd better flee quickly, that shouldn't be too hard." | |||
Inspections were carried out that the prefectural office all day. A Nagano prefectural official says the threats are intended to frighten people and cannot be tolerated. | |||
Similar threats are reaching municipalities across Japan this year. NHK question 121 municipalities including prefectures and large cities. 66 were found to have received such emails in 137 incidents. Some municipalities receive multiple threats. | |||
The emails have something in common. Their sentences and with the unlikely letters "wo". The expression "nari" also appears frequently. And in 73 emails, the sender was named "Takahiro Karasawa". Our reporter search for anyone named "Takahiro Karasawa". | |||
It turns out that a Takahiro Karasawa works as a lawyer in Tokyo, fighting cyberbullying and online harassment. He's not the one sending the threats but they were made under his name. | |||
Karasawa says he can only conclude that someone is trying to interfere with his legal work. He says he just can't condone that kind of things. Karasawa says the problem started after he intervened on behalf of a teenager who was been subjected cyberbullying on an online notice board. Karasawa contacted its operator and asked that the offending comments be removed. He says he was then hit by an online abuse and threats. Karasawa says this is an example of messages he was getting. It's a death threats. Karasawa's family grave is also vandalized. He says the name on the grave was defaced and somebody has spray-painted his name near the bottom. Karasawa then found that the bomb threats were being sent under his name. On the day we interviewed Karasawa, police told him his name had appeared in another online threat. Karasawa says that often nothing out of ordinary happens. And there are no bomb threats made in his name, but he says there was always worry it might happen again the next day. He says he wants to tell any young people engaging in such malicious behavior to stop it at once. | |||
Several people are believed to be making bomb threats under Karasawa's name. Defendant Ryota Ando is one of them. A court today found him guilty of making a bomb threat against local government and gave him a suspended sentence. We visited the Tokyo detention house recently to ask Ando why he make the threat. He said he regrets what he did and gave us a letter. | |||
He writes that he saw the lawyer as a toy on the Internet and that he was having fun playing the toy. He says it's an easy way to evoke a great response. We also asked about bomb threats that are still being issued. He writes he never thought so many copycats would emerge. | |||
The threats were made using software that allows the senders to avoid being identified. This company provides cybersecurity support to business and government offices. We asked the cybersecurity expert from the firm to analyze such mails. Ken'ichiro Okamoto says the mails were sent with the sender's IP addresses hidden. IP addressees are recorded with **** when one sends . By tracking IP addresses, the computers used to send the mails can be identified, but software that anonymizes senders was used for the recent bomb threats. The software allows senders to access the so-called dark web where IP addresses frequently change making senders anonymous. It is difficult to identify bomb threat senders if they use the dark web. Of the bomb threat emails sent this year, at least 28 was sent by the dark web. | |||
Okamoto says the dark web can be used to sell illegal drugs or personal data, making it a hotbed for crime. He says this poses a great threat to a society. He answers technical or legal measures should be taken as soon as possible and that law enforcement also act immediately. | |||
It was expected in summer this year in Nagasaki, where plan session to present the hibakusha atomic survivor experiences to primary school students was cancelled after a bomb threat. The man responsible for the bomb threat claimed that it was a prank, but the threat mobilized police and the local governments and immeasurable danger to an individual whose name was used for a threat. | |||
In the US, fake IDs as well as weapons are traded over the dark web and the FBI is increasingly concerned. The Japanese police is also stepping up patrol "cyber patrol". Every measure needs to be taken so dark web is not used as a tool for such crimes. | |||
== 映像から開示された情報 == | == 映像から開示された情報 == | ||