Ransomware

SmarterTools hit by ransomware via flaw in its own mail product

First reported 2026-02-09 · Last reported 2026-02-09 · 3 related reports

The Warlock ransomware group broke into the internal network of developer SmarterTools through an unpatched SmarterMail virtual machine. Twelve Windows servers on the office network and a secondary data center used for testing, quality assurance and hosting were affected.

Key facts

Affected organization: SmarterTools
Incident type: Ransomware
Occurred / detected: Not confirmed
Scale of damage: Twelve office Windows servers and a secondary data center for testing, QA and hosting affected
Cause / method: Intrusion into the internal network via a vulnerability in an unpatched SmarterMail virtual machine
Location: United States

Timeline

2026-02-09It came to light that the Warlock ransomware group had broken into SmarterTools' internal network through a SmarterMail vulnerability, affecting servers and a secondary data center.

3 related reports

Hackers breach SmarterTools network using flaw in its own softwareBleepingComputer · 2026-02-09
SmarterTools Hit by Ransomware via Vulnerability in Its Own ProductSecurityWeek · 2026-02-09
Ransomware group breached SmarterTools via flaw in its SmarterMail deploymentHelp Net Security · 2026-02-09

The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.