Skip to content
Submit incident
DII-2025-00381
ReportedReported by fewer than three independent publishers, with no official finding.

Kr: Investigation shows KT concealed malware infections, security failures leading to hacking breach

KT Corp., South Korea’s second-largest mobile carrier, was found to have concealed critical malware infections and failed to report the security breaches that led to a recent hacking and data theft incident, a...

6 November 2025 · Malware and credential theft
6 November 2025
DII-2025-003812 sources ↓
Quick facts
Category
Malware and credential theft
Source
DataBreaches.net
Date
6 November 2025
Drafted by
Raidu Incident Detection

What happened

Not publicly disclosed.

Classification

Category
Malware and credential theft
Industry
Business and professional services

Sources and evidence

This record was researched and written by the Index, based on the following original reporting.

DataBreaches.net
Kr: Investigation shows KT concealed malware infections, security failures leading to hacking breach
6 November 2025
en.yna.co.kr
Yonhap News