Summary:
A major South Korean internet service provider, KT (formerly Korea Telecom), is facing serious allegations after reports surfaced that it installed malware on the computers of over 600,000 customers. The incident primarily targeted users of Webhard, a popular file-sharing service in South Korea.

Beginning in May 2020, Webhard users began experiencing significant issues such as slow transfer speeds, corrupted files, and in some cases, complete computer shutdowns. Initially, suspicions fell on Webhard itself, prompting numerous complaints from users.

However, investigative reporting by Korean news agency JTBC uncovered evidence suggesting that KT was behind the disruptions. According to JTBC's findings, KT allegedly deployed malware through dedicated teams specializing in malware development, distribution, operation, and wiretapping. The malware specifically targeted Webhard users, disrupting their file transfers and causing the reported technical problems.

The motive behind KT’s actions appears to be related to managing torrent traffic on their network. Torrenting remains popular in South Korea, with services like Webhard facilitating peer-to-peer file sharing, which ISPs like KT argue strains their network bandwidth and incurs high operational costs.

Security Officer Comments:
This controversy has sparked outrage among the public and raised significant concerns about privacy violations and ethical business practices. The Gyeonggi Southern Police Agency has taken action by seizing KT’s data center and headquarters, suspecting potential violations of the Communications Secrets Protection Act and the Information and Communications Network Act. Depending on the investigation's outcome, KT could face legal consequences for its actions.

This incident is not isolated, as ISPs globally have faced scrutiny for similar practices. For instance, Google’s Threat Analysis Group reported cases in Italy and Kazakhstan where ISPs were allegedly involved in installing malware to spy on mobile users.

Suggested Corrections:
Overall, the KT case underscores the importance of transparency and ethical standards in internet service provision. Customers expect ISPs to protect their privacy and ensure reliable service without resorting to unlawful or unethical tactics, even in the face of network management challenges.

Link(s):
https://hackread.com/isp-mass-malware-attack-on-customers/