- Google has announced three network security features primarily to be introduced in the next-generation Android OS, “Android 17.”
- These include one-time password (OTP) protection, default 2G disabling settings, and the implementation of post-quantum cryptography (PQC).
- OTP protection is not limited to “Android 17” and has already been widely deployed.
On Tuesday, May 12, 2026 (local time), Google announced three network security features primarily destined for the next-generation Android OS, “Android 17.”
The announced features include one-time password (OTP) protection, a default 2G disabling setting, and the introduction of post-quantum cryptography (PQC). Note that OTP protection is not exclusive to “Android 17” and is already being widely rolled out.
One-Time Password (OTP) Protection
One-time password (OTP) protection is a network security feature designed to prevent malicious apps with SMS permissions from stealing codes.
For three hours after an OTP is received, sensitive one-time passwords are automatically hidden from most apps. This OTP protection is currently being rolled out across the Android ecosystem.
Default 2G Disabling Setting
“Android 17” will introduce a new management feature that allows mobile carriers to configure 2G connectivity to be disabled by default.
This will provide active protection against attacks that exploit the vulnerabilities of older communication standards, particularly in regions where 2G services have already been phased out.
Introduction of Post-Quantum Cryptography (PQC)
To prepare for future threats posed by quantum computers capable of cracking encryption, “Android 17” will introduce post-quantum cryptography (PQC).
Source：Google（https://blog.google/security/whats-new-in-android-security-privacy-2026/）
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