UnclassifiedUnknown
Mayfly
Mayfly is a threat actor group, tracked by Brandefense. It targets 3 sectors, including Manufacturing, and Retail and Consumer, in 3 countries, including the United States and Germany.
- Techniques
- 0
- Exploited CVEs
- No CVE data
- Record updated
Who They Target.
Countries · 3
About Mayfly.
Actor offering a claimed Flink database containing customer, order and staff records, with content hidden behind a points-based paywall.
Last updated Oct 27, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.