# Hackers Backdoored the Telnyx Python Package to Hide Credential-Stealing Malware in Audio Files

_Friday, March 27, 2026 at 7:26 PM EDT · Security · Latest · Tier 2 — Notable_

![Hackers Backdoored the Telnyx Python Package to Hide Credential-Stealing Malware in Audio Files — Primary](https://www.bleepstatic.com/content/hl-images/2024/12/10/hacker-box.jpg)

The Telnyx Python package on PyPI was compromised by the TeamPCP threat group, which uploaded backdoored versions concealing credential-stealing malware within WAV audio files. The technique uses steganography to embed the payload in audio data, reflecting growing sophistication in supply chain attacks targeting developer toolchains.

[Instagram]
TeamPCP hackers compromised the official Telnyx package on PyPI, uploading malicious versions that hid credential-stealing malware inside WAV audio files. The attack used steganography to conceal the payload. Developers using the Python Package Index should audit their dependencies.

[LinkedIn]
The Telnyx Python package on PyPI was compromised by the TeamPCP threat group, which uploaded backdoored versions concealing credential-stealing malware within WAV audio files. The technique uses steganography embedded in audio data, reflecting a growing sophistication in supply chain attacks targeting developer toolchains. Security teams should audit Python dependencies and review Telnyx package versions installed in any environment.

## Sources


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Canonical: https://techandbusiness.org/newswire/newsDraft.44501985-3b28-42e4-8aed-0fcbf16e3c76
Retrieved: 2026-07-21T23:46:31.377Z
Publisher: Tech & Business (techandbusiness.org)