ToddyCat: your hidden email assistant. Part 1

Securelist

November 21, 2025 at 10:00 AM

Overview

The article discusses the ToddyCat APT attacks that target corporate email systems, highlighting the use of advanced tools like TomBerBil, TCSectorCopy, and XstReader. The severity of these attacks lies in their method of stealing access tokens from Outlook, posing significant risks to corporate security.

Key Takeaways

Affected Systems: Corporate email systems, Outlook
Timeline: Ongoing since [timeframe]

Original Article Summary

Kaspersky experts analyze the ToddyCat APT attacks targeting corporate email. We examine the new version of TomBerBil, the TCSectorCopy and XstReader tools, and methods for stealing access tokens from Outlook.

Impact

Corporate email systems, Outlook

Exploitation Status

The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.

Timeline

Ongoing since [timeframe]

Remediation

Not specified

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to APT, Kaspersky.

Read Original Article

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