[SpeakUp](https://attack.mitre.org/software/S0374) is a Trojan backdoor that targets both Linux and OSX devices. It was first observed in January 2019. (Citation: CheckPoint SpeakUp Feb 2019)
Platforms: Linux, macOS
MITRE ATT&CK® is a registered trademark of The MITRE Corporation. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.