Trending Now - Popular Daemon Tools App Compromised in Supply-chain Attack

WHO:

Techmeme - Kaspersky is the cybersecurity company reporting the incident.

Ars Technica - Daemon Tools is identified as a widely used application for mounting disk images.

WHAT:

Techmeme - Daemon Tools has been backdoored in a monthlong compromise.

Ars Technica - The compromise has resulted in the distribution of malicious updates to users of Daemon Tools.

HOW:

Techmeme - The backdoor was introduced through a supply-chain attack that lasted for a month.

(UPDATED May 5, 2026 23:18 UTC)

Kaspersky has reported a significant cybersecurity incident involving Daemon Tools, a widely used application for mounting disk images. The company revealed that Daemon Tools has been compromised for a month, leading to the distribution of malicious updates to its users. This backdoor was introduced through a supply-chain attack that lasted for the entire duration of the compromise.