FTP attacks & scanning (port 21)
File transfer — anonymous access and credentialed brute force.
Observed by OffSeq honeypot sensors · last 7 days · #13 most-attacked service · last seen 4 minutes ago
8,046
Attacks
640
Distinct source IPs
21
Port · tcp
The #13 most-attacked service across the fleet in the last 7 days.
OffSeq honeypots emulating FTP recorded 8,046 attacks from 640 distinct source IPs over the last 7 days. File transfer — anonymous access and credentialed brute force.
Top CVEs exploited across the fleet (last 7 days)
Fleet-wide, not scoped to FTP.
- CVE-2019-0708501
- CVE-2024-4577479
- CVE-2021-26855479
- CVE-2017-9841401
- CVE-2017-0144252
- CVE-2025-324890