Cyberfeed6 › Countries › South Korea
5 IT, OT and crypto incidents involving South Korea are listed for May to November 2026 (5 IT). The most common kinds are data breach, espionage. The country is where the affected organizations or users are, not where the attackers are.
Joint advisory on North Korean phishing and watering-hole attacks
2026-07-31 · Advisory · NK News
South Korean police, the intelligence service and four private security firms warned that North Korean state-backed hackers continue to target individuals and businesses with phishing emails and watering-hole attacks, which can infect devices just by visiting hijacked websites.
Breach at booking supplier Amadeus exposes passenger records at Asian airlines
IT October 31, 2026 · Data breach
Weverse (HYBE) breach, 422,584 accounts compromised
IT September 10, 2026 · Data breach · musicbusinessworldwide.com
Sogang University breach exposes 180,000 accounts
IT August 15, 2026 · Data breach · koreajoongangdaily.com
South Korean foreign ministry breach exposes diplomats' data
IT July 22, 2026 · Data breach · bleepingcomputer.com
South Korean electronics maker infiltrated by MuddyWater
IT May 13, 2026 · Espionage · Roundup: CM Alliance: biggest cyber attacks, data breaches and ransomware attacks, May 2026