United Kingdom
United Kingdom Infostealer Threat Report — August 2026
08/01/2026 – 08/31/2026
Threat summary
Key figures from the month's threat activity.
Overview
Most common malware family: LUMMAC (45.2% of infections). Sector with the most employee account leaks: Education. Leaked accounts fell by 4.1% compared with the previous month.
Ransomware victims in United Kingdom9,991
infected devices · from 10 families
Report periodAug 1, 2026 - Aug 31, 2026
Risk score
48-9vs previous month
- Infected devices
- 9,991
- Android devices
- 4,057
- Domains
- 75,760
- Employee accounts
- 2,722
- Customer accounts
- 600,968
- Families
- 10
Top 10 malware families
infections- 1LUMMAC4,518
- 2PUREV42,139
- 3VIDAR1,395
- 4ACREED631
- 5REDLINE481
- 6REMUS200
- 7STEALC158
- 8SHAPESHIFTER40
- 9META28
- 10ELYSIUM STEALER27
The full list is in the PDF reportDownload report
Top 10 antivirus
infected devices- 1Windows Defender294
- 2Reason Cybersecurity7
- 3Malwarebytes6
- 4360 Total Security4
Breakdown of leaks
Breakdown by sector, file type and critical system.
Employee accounts by sector
organizationsrecordsRansomware victimsemployee accounts- 1Education195organizations28.9Krecords–Ransomware victims812employee accounts
- 2Technology54organizations147.1Krecords8Ransomware victims119employee accounts
- 3Telecommunications6organizations5.9Krecords–Ransomware victims117employee accounts
- 4Government21organizations17.2Krecords1Ransomware victims38employee accounts
- 5Healthcare17organizations6.1Krecords2Ransomware victims27employee accounts
- 6Retail and e-commerce10organizations61.8Krecords4Ransomware victims22employee accounts
- 7Manufacturing and industry8organizations3.5Krecords7Ransomware victims16employee accounts
- 8Nonprofit8organizations6.5Krecords–Ransomware victims15employee accounts
- 9Gaming and betting6organizations32.7Krecords–Ransomware victims11employee accounts
- 10Finance8organizations29.7Krecords2Ransomware victims10employee accounts
The full list is in the PDF reportDownload report
Report contents
Sections and pages of the full report.
Contents
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