Report by ZScaler

Zscaler ThreatLabz 2025 Mobile, IoT, & OT Threat Report

9 FINDINGSPublished Nov 5, 2025
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Key Findings

The United States accounted for 54% of all IoT attack activity.

IoTUS

Adware accounted for 69% of mobile threat cases, overtaking the Joker malware family, which dropped to 23% of cases.

Mobile MalwareAdwareJoker

239 malicious applications were identified on the Google Play Store, collectively downloaded over 42 million times.

Mobile MalwareApp SecurityGoogle Play

Manufacturing and Transportation sectors accounted for over 40% of total IoT malware attacks, with each sector representing 20.2% of all observed attacks.

IoTManufacturingTransportation

There was a 67% year-over-year increase in Android malware transactions.

MalwareAndroid

Roughly 40% of blocked IoT transactions are linked to the Mirai malware family.

IoTMalwareMirai

India accounted for 26% of all mobile attack activity.

Mobile AttacksIndia

India experienced a 38% increase in mobile threat attacks compared to the previous year.

Mobile AttacksIndia

The energy sector experienced a 387% increase in attacks compared to the previous year.

Energy SectorCritical Infrastructure