2025 Ransomware Threat Landscape: Impact on Korean Enterprises
Overview and Background The number of ransomware attacks has been increasing worldwide in recent years, and Korean companies are not exempt from this trend. The situation is particularly acute in Asia, where ransomware attacks have surged since 2023. This growing trend has prompted a need for a systematic analysis
Ransom & Dark Web Issues Week 3, Novermber 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 3, Novermber 2025 DireWolf launches ransomware attack against a Pakistani automobile assembly and sales company Massive data leak of major South Korean companies on DarkForums [1], [2], [3], [4] Akira ransomware group threatens data leak
Ransom & Dark Web Issues Week 1, Novermber 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 1, Novermber 2025 Black Shrantac Targets South Korean Cybersecurity and Network Solutions Company Japanese Major Online Retailer Listed as New Victim by Ransomware Group RansomHouse Data from Japanese ISP Leaked on DarkForums
Ransom & Dark Web Issues Week 5, October 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 5, October 2025 A South Korean food manufacturing and processing company has been listed as a new victim by the ransomware group RansomHouse. The Data Extortion group Coinbase Cartel claims to have leaked the entire source
Ransom & Dark Web Issues Week 4, October 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 4, October 2025 Black Shrantac Lists a South Korean Cybersecurity Firm as Its Victim Qilin Targets South Korean Financial Intelligence Firm in Ransomware Attack Ransomware Attack Causes System Outage at Major Japanese Online Retailer Online
Ransom & Dark Web Issues Week 3, October 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 3, October 2025 New ransomware groups Kyber, Nasir Security, Kryptos, Tengu, and VFVCT (V For Vendetta Cyber Team) have emerged. Data from a South Korean website-building platform is being sold on the cybercrime forum DarkForums.
Ransom & Dark Web Issues Week 1, October 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 1, October 2025 Ransomware group Qilin listed nine South Korean asset management firms as new victims within a week. Ransomware group Qilin listed a South Korean engineering services company as a new victim. Ransomware group Gunra
Ransom & Dark Web Issues Week 4, September 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 4, September 2025 Personal information of Spanish politicians and public officials shared on DarkForums. A university application platform in South Korea listed as a new victim by the ransomware group Kill Security. Data from a
Ransom & Dark Web Issues Week 3, September 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 3, September 2025 The emergence of a new ransomware group, BlackShrantac South Korean asset management firms listed as new victims of the Qilin ransomware group A South Korean broadcasting and telecom equipment manufacturer listed as
Ransom & Dark Web Issues Week 2, September 2025
ASEC Blog publishes Ransom & Dark Web Issues Week 2, September 2025 Financial Institution Data from Poland and Central Europe Listed for Sale on DarkForums Gunra Ransomware Targets Korean Manufacturer Emergence of Four New Ransomware Groups: Obscura, Yurei, The Gentlemen, Radar
