AhnLab’s April 2026 Ransomware Report Highlights Critical-Sector Targeting

Summary
AhnLab’s April 2026 ransomware report uses detection data and Dedicated Leak Site disclosures to track activity, highlighting Manufacturing, Healthcare, and Finance. It cautions that a methodology change limits comparisons with data before December 2025.
Key points
- The report covers April 2026 ransomware sample counts and damaged-system counts using AhnLab detection names.
- Targeted-business statistics draw on ATIP infrastructure and information disclosed on ransomware groups’ Dedicated Leak Sites at collection time.
- Manufacturing, Healthcare, and Finance stood out among the targeted industries.
- The report tracks Qilin, The DragonFoece, and INC Ransom, along with industry, regional, and emerging-threat trends.
- A methodology change in December 2025 means targeted-business statistics should be compared cautiously with earlier months.
Article Details
- Publisher
- AhnLab (ASEC blog)
- Report Period
- April 2026
- Scope
- Ransomware detections and reported damage, including trends by industry and region and activity attributed to major ransomware groups.
Threat Actors
INC RansomIdentified as a major ransomware group tracked in the report; the report describes ransomware activity during April 2026.QilinIdentified as a major ransomware group tracked in the report; the report describes ransomware activity during April 2026.The DragonFoeceIdentified as a major ransomware group tracked in the report; the report describes ransomware activity during April 2026.
Vendors
Products
Countries
Industries
financeIt highlights attacks on critical industries such as Manufacturing, Healthcare, and Finance, and tracks major groups including Qilin, The DragonFoece, and INC Ransom.HealthcareIt highlights attacks on critical industries such as Manufacturing, Healthcare, and Finance, and tracks major groups including Qilin, The DragonFoece, and INC Ransom.ManufacturingIt highlights attacks on critical industries such as Manufacturing, Healthcare, and Finance, and tracks major groups including Qilin, The DragonFoece, and INC Ransom.
