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Massive Malware Repositories Highlight Cybersecurity Challenges

Massive Malware Repositories Highlight Cybersecurity Challenges

First seen 13 May 2026, 23:29 UTC • •
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ThreatCluster AI
ThreatCluster •May 14, 2026 at 23:27 UTC
  • •vx-underground holds 30 terabytes of malware data, vital for cybersecurity research.
  • •VirusTotal has accumulated 31 petabytes of malware samples, significantly aiding threat detection.
  • •The scale of these datasets illustrates the growing complexity of malware analysis and cybersecurity.

Malware research group vx-underground reported a 30 terabyte archive of malware source code. VirusTotal, founded by Bernardo Quintero, has amassed 31 petabytes of malware samples from users. These vast datasets are crucial for cybersecurity firms and AI researchers to enhance malware detection and understand attack evolution. The data can be visualized as hard drives stacked, with vx-underground's data reaching 2.5 feet and VirusTotal's data surpassing 2,645 feet, equivalent to two-and-a-half Eiffel Towers. Such extensive repositories emphasize the ongoing challenges in combating malware and securing systems against evolving threats.

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Updated 130d ago How this analysis works

Timeline

2026-05-13
vx-underground announces malware archive size
vx-underground reported its malware source code archive amounts to 30 terabytes, essential for research.
Techcrunch
2026-05-13
VirusTotal reports malware sample size
VirusTotal disclosed it has collected 31 petabytes of malware samples from users, enhancing threat intelligence.
Techcrunch

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