South Korean ISP Targeted Torrenting Customers With Malware

South Korean telecommunications giant KT is under investigation for allegedly hacking customers who used torrent services.

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Any better source on this?
- https://www.tomshardware.com/tech-industry/cyber-security/south-korean-telecom-company-attacks-torrent-users-with-malware-over-600000-people-report-missing-files-strange-folders-and-disabled-pcs
  
  Here's another article on it
  
  That's crazy. Why the fuck did they think that was a good idea‽
  
  So its a service infected with malware that spread? Oof.
Are they changing the payload of the .torrent or the actual file being transmitted over BitTorrent?

Kind of hard to tell what
- From what I could see from their site, they sound like a cloud provider that has support for folder sharing with guests. Nothing that specifies usage of torrents.
  
  http://www.webhard.net/page/what/what.php
Missing file I can understand, but how they infect the user with malware? Is it through the BitTorrent protocol, or undisclosed vulnerbility of the Grid Service? The kill chain isn't complete.

P.S. The use of BitTorrent in Korea by service providers is somehow justified IMO given how expensive the bandwidth is which Twitch quit the market.

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