logo

Over 3 million mail servers without encryption exposed to sniffing attacks

ID: 9edcaf26-3214-521a-8c1e-21832efcdd9b

STIX ID: report--9edcaf26-3214-521a-8c1e-21832efcdd9b

Feed Name: Bleeping Computer

Threat Score
70/100

Date Published: 2025-01-02

Date Updated: 2026-03-27

Author: Sergiu Gatlan

...
...

Shadowserver scans indicate roughly 3.3 million POP3/IMAP mail servers are exposed without TLS, sending credentials and email content in clear text and making them susceptible to network sniffing and credential theft; operators are being notified to enable TLS or disable the services.

Your team is not currently subscribed to this feed. You must subscribe to it in order to see this post.