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Iran Tests Academic “Whitelists” Amid Nationwide 2026 Blackout

ID: 9c43adc3-0c78-5a3b-8e6d-70379568dacb

STIX ID: report--9c43adc3-0c78-5a3b-8e6d-70379568dacb

Feed Name: securityonline.info

Date Published: 2026-01-10

Date Updated: 2026-04-23

Author: Ddos

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Iran enacted a nationwide shutdown of international internet access for at least 24 hours, with telemetry showing brief, orchestrated restorations for select university ASNs (University of Tehran, Sharif University of Technology, Tehran University of Medical Sciences, Tarbiat Modares University), suggesting tests of whitelisting limited institutions; activity was concentrated in Tehran (~49.6%), authorities provided no timeline, and domestic intranet services likely continue operating.

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