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Hacking Team Breach Exposes 400GB of Data on Spying Tools

Hacking Team Breach Exposes 400GB of Data on Spying Tools

First seen 20 Oct 2026, 17:11 UTC • •
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ThreatCluster AI
ThreatCluster •October 20, 2026 at 18:12 UTC
  • •Hacking Team was hacked, leading to a significant data leak of 400GB.
  • •The leaked documents suggest the firm sold surveillance tools to repressive governments.
  • •The breach was communicated through Hacking Team's official Twitter account.

Hacking Team, a cybersecurity firm, was hacked, resulting in 400GB of documents being posted on its own Twitter feed. The leaked documents allegedly reveal the company's sales of surveillance software to repressive regimes, contradicting previous denials. The attackers, who took control of the Twitter account renamed 'Hacked Team', shared various internal documents, including emails and invoices. The breach highlights ongoing concerns regarding the sale of offensive security tools to governments with poor human rights records. The company regained control of its Twitter account after several hours, but the authenticity of the leaked documents remains unverified.

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Timeline

2026-10-20
Hacking Team Twitter account compromised
The attackers posted 400GB of alleged internal documents on Hacking Team's Twitter feed, revealing sales to repressive regimes.
The Guardian

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Common questions

What type of data was leaked?
The leaked data includes 400GB of internal documents, such as emails and invoices.
Who was affected by the breach?
Hacking Team was affected, with implications for its clients and the governments it allegedly sold tools to.
Is there confirmation of the document authenticity?
The authenticity of the leaked documents has not been independently verified.