United Kingdom
United Kingdom Infostealer Threat Report — June 2026
06/01/2026 – 06/30/2026
Threat summary
Key figures from the month's threat activity.
Overview
Most common malware family: PUREV4 (53.8% of infections). Sector with the most employee account leaks: Education. Leaked accounts rose by 105% compared with the previous month.
Ransomware victims in United Kingdom7,389
infected devices · from 10 families
Report periodJun 1, 2026 - Jun 30, 2026
Risk score
100+42vs previous month
- Infected devices
- 7,389
- Android devices
- 2,955
- Domains
- 72,532
- Employee accounts
- 2,400
- Customer accounts
- 550,127
- Families
- 10
Top 10 malware families
infections- 1PUREV43,977
- 2VIDAR1,053
- 3REMUS731
- 4REDLINE620
- 5LUMMAC420
- 6ELYSIUM STEALER93
- 7STEALC88
- 8GHOSTBUSTERS STEALER23
- 9SHUB STEALER21
- 10ACREED21
The full list is in the PDF reportDownload report
Top 10 antivirus
infected devices- 1Windows Defender663
- 2Norton 360 for Gamers25
- 3Reason Cybersecurity15
- 4Total AV7
- 5Malwarebytes6
Breakdown of leaks
Breakdown by sector, file type and critical system.
Employee accounts by sector
organizationsrecordsRansomware victimsemployee accounts- 1Education183organizations28.2Krecords2Ransomware victims744employee accounts
- 2Technology42organizations135.3Krecords2Ransomware victims126employee accounts
- 3Telecommunications8organizations5.0Krecords–Ransomware victims85employee accounts
- 4Entertainment and lifestyle7organizations8.6Krecords–Ransomware victims58employee accounts
- 5Government15organizations13.8Krecords–Ransomware victims28employee accounts
- 6Retail and e-commerce15organizations53.7Krecords–Ransomware victims26employee accounts
- 7Finance8organizations24.1Krecords–Ransomware victims24employee accounts
- 8Travel and hospitality7organizations8.1Krecords1Ransomware victims20employee accounts
- 9Nonprofit8organizations5.6Krecords–Ransomware victims19employee accounts
- 10Healthcare9organizations4.5Krecords1Ransomware victims19employee accounts
The full list is in the PDF reportDownload report
Report contents
Sections and pages of the full report.
Contents
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