IMAP attacks & scanning (port 143/993)
Mailbox access — mailbox credential probes.
Observed by OffSeq honeypot sensors · last 30 days · #18 most-attacked service · last seen 20 minutes ago
19,647
Attacks
2,973
Distinct source IPs
143/993
Port · tcp
The #18 most-attacked service across the fleet in the last 30 days.
OffSeq honeypots emulating IMAP recorded 19,647 attacks from 2,973 distinct source IPs over the last 30 days. Mailbox access — mailbox credential probes.
Top CVEs exploited across the fleet (last 30 days)
Fleet-wide, not scoped to IMAP.
- CVE-2017-01442,731
- CVE-2019-07082,655
- CVE-2024-45771,682
- CVE-2021-268551,652
- CVE-2017-9841542
- CVE-2025-5777269
- CVE-2023-3519150
- CVE-2012-212283