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IoT in the Enterprise Report: Empty Office Edition

ID: 7efee226-8197-59e2-8eeb-2789f7278379

STIX ID: report--7efee226-8197-59e2-8eeb-2789f7278379

Feed Name: Zscaler Security Research Blog

Threat Score
70/100

Date Published: 2025-04-02

Date Updated: 2026-05-01

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**IoT in the Enterprise: Empty Office Edition** reports on a sharp rise in IoT malware targeting corporate networks during office closures, finding a 700% year-over-year increase and roughly 833 IoT malware blocks per hour; Mirai and Gafgyt accounted for 97% of payloads, 76% of IoT communications were unencrypted, and entertainment/home automation devices posed the highest risk, with technology, manufacturing, retail/wholesale, and healthcare most frequently impacted. The report identifies attacker origin and target countries, highlights the broad attack surface of unmanaged IoT devices, and recommends zero-trust and improved IoT policy controls to reduce exposure.

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