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Signal

TeamPCP compromises Telnyx PyPI package with malware hidden in WAV files

Evidence first: scan the strongest sources, then decide whether to go deeper.

redditrss
supply_chainmalwarecredential_stealingpypiincident_response
Trend in the last 24h
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Evidence preview
  • The Hacker News - TeamPCP pushes malicious Telnyx versions to PyPI
    thehackernews.com
  • Help Net Security - TeamPCP backdoors Telnyx PyPI package
    helpnetsecurity.com
  • SANS ISC - TeamPCP supply chain campaign update
    isc.sans.edu
  • Backdoored Telnyx PyPI package pushes malware hidden in WAV audio
    bleepingcomputer_all
  • TeamPCP Targets Telnyx Package in Latest PyPI Software Supply Chain Attack
    Infosecurity Magazine
Overview

The threat actor TeamPCP has expanded its supply chain attacks by compromising the Telnyx Python package on PyPI.

Entities
TelnyxEndor LabsSocketSANS ISCCISATelnyx AI Voice AgentVect ransomware
Score total
2.01
Momentum 24h
6
Posts
6
Origins
6
Source types
2
Duplicate ratio
0%
Why now
  • Malicious Telnyx package versions were published on PyPI on March 27, 2026, requiring immediate attention.
  • TeamPCP's expanding campaign includes ransomware affiliates and named victims, increasing risk exposure.
  • Security communities have just released updated detection tools and advisories to respond to this threat.
Why it matters
  • Supply chain attacks on popular Python packages risk widespread credential theft and software compromise.
  • Malware hidden in audio files demonstrates advanced evasion techniques by threat actors.
  • Detection tools and advisories enable defenders to identify and mitigate this ongoing threat.
LLM analysis
Topic mix: lowPromo risk: lowSource quality: medium
Recurring claims
  • TeamPCP compromised the Telnyx Python package on PyPI by publishing malicious versions 4.87.1 and 4.87.2 containing credential-stealing malware hidden in WAV files.
  • The TeamPCP campaign is part of a wider supply chain compromise involving ransomware affiliates and named victims, with detection tools and advisories published by SANS ISC and CISA.
How sources frame it
  • The Hacker News: neutral
  • Help Net Security: neutral
  • SANS ISC: neutral