Investigation: Israel's Unit 8200 built a system using Microsoft Azure that collects recordings of millions of phone calls made daily in Gaza and the West Bank
Revealed: The Israeli military undertook an ambitious project to store a giant trove of Palestinians' phone calls on Microsoft's servers in Europe
The Guardian
Context & Ripple Effects
The report adds a cloud-infrastructure layer to earlier coverage of the Israeli military’s rising use of Microsoft cloud and AI systems during the war, alongside reporting on facial-recognition and target-identification systems.
Unit 8200’s use of Azure to hold a large communications archive places Microsoft’s European cloud infrastructure at the center of allegations of mass surveillance of Palestinians.
Microsoft faces immediate scrutiny over customer oversight, contractual controls, and how its cloud services were used by a national-security client.
Second-order effects
The disclosure raises the compliance burden for cloud providers serving defense and intelligence agencies, particularly where workloads can combine large-scale data retention with surveillance operations.
Enterprise and public-sector customers may press providers for clearer usage restrictions and auditability when sensitive government workloads run on shared cloud infrastructure.
Third-order effects
If providers respond by imposing stronger review and enforcement mechanisms, national-security cloud contracts could increasingly be shaped by human-rights due diligence rather than technical capacity alone.
The episode points to a broader contest over whether hyperscale cloud platforms can remain neutral infrastructure when customers use them to centralize surveillance data.
The trend: Hyperscale cloud providers are being pushed from infrastructure neutrality toward more active governance of high-risk government and security workloads.
“... a cache of leaked Microsoft documents and interviews with 11 sources from the company and Israeli military intelligence reveals how Azure has been used by Unit 8200 to store this expansive archive of everyday Palestinian communications.”
“[Microsoft Azure] has facilitated the preparation of deadly airstrikes and has shaped military operations in Gaza and the West Bank” www.theguardian.com/world/2025/ a... Microsoft continues to aid genocide
“leaked Microsoft files suggest that a large proportion of the unit's sensitive data may now be sitting in the company's datacentres in the Netherlands and Ireland.” www.theguardian.com/world/2025/ a...
“One system developed in this period, sources said, scanned all text messages between Palestinians in the West Bank and assigned each message a risk rating based on an automated analysis of whether it included words deemed to be suspicious” www.theguardian.com/world/2025/ a...
it is immoral for @scotparl, or indeed anyone else, to use Microsoft services - the company is such a direct partner to genocide https://www.theguardian.com/ ...
Microsoft data centres in Ireland and the Netherlands are storing millions of hours of Palestinian phone calls intercepted by the IDF. The data has been used for mass surveillance and arrests in the West Bank, and identifying strike targets in Gaza. https://www.theguardian.com/ .…
“One afternoon late 2021, Microsoft's chief executive, Satya Nadella, met with commander of Israel's military surveillance agency, Unit 8200. On the spy chief's agenda: moving vast amounts of top secret intelligence material into the US company's cloud.” https://www.theguardian.c…