Spain
Spain Infostealer Threat Report — May 2026
05/01/2026 – 05/31/2026
Threat summary
Key figures from the month's threat activity.
Overview
Most common malware family: LUMMAC (29.8% of infections). Sector with the most employee account leaks: Education. Leaked accounts rose by 67.1% compared with the previous month.
Ransomware victims in Spain4,779
infected devices · from 10 families
Report periodMay 1, 2026 - May 31, 2026
Risk score
84+63vs previous month
- Infected devices
- 4,779
- Android devices
- 2,456
- Domains
- 50,560
- Employee accounts
- 1,765
- Customer accounts
- 331,073
- Families
- 10
Top 10 malware families
infections- 1LUMMAC1,424
- 2PUREV41,202
- 3REMUS668
- 4VIDAR404
- 5REDLINE272
- 6SHUB STEALER163
- 7ARKEI60
- 8STEALC57
- 9ELYSIUM STEALER53
- 10ACREED47
The full list is in the PDF reportDownload report
Top 10 antivirus
infected devices- 1Windows Defender698
- 2Reason Cybersecurity29
- 3Kaspersky12
- 4Malwarebytes7
- 5Norton 360 for Gamers4
Breakdown of leaks
Breakdown by sector, file type and critical system.
Employee accounts by sector
organizationsrecordsRansomware victimsemployee accounts- 1Education46organizations13.1Krecords2Ransomware victims188employee accounts
- 2Technology26organizations77.9Krecords1Ransomware victims102employee accounts
- 3Telecommunications9organizations5.6Krecords–Ransomware victims46employee accounts
- 4Government15organizations11.6Krecords1Ransomware victims45employee accounts
- 5Retail and e-commerce17organizations35.0Krecords3Ransomware victims37employee accounts
- 6Finance6organizations13.8Krecords1Ransomware victims29employee accounts
- 7Manufacturing and industry14organizations3.1Krecords2Ransomware victims28employee accounts
- 8Travel and hospitality7organizations7.8Krecords1Ransomware victims18employee accounts
- 9Healthcare6organizations1.6Krecords–Ransomware victims18employee accounts
- 10Nonprofit8organizations3.4Krecords–Ransomware victims15employee accounts
The full list is in the PDF reportDownload report
Report contents
Sections and pages of the full report.
Contents
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