Title: Update: Improve Login Rate Limiting
Author: WordPress VIP Documentation
Published: March 16, 2021
Last modified: August 5, 2025

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 1. [Changelog](https://docs.wpvip.com/changelog/)
 2. [VIP MU plugins [Production]](https://docs.wpvip.com/changelog/vip-mu-plugins-production/)
 3. Update: Improve Login Rate Limiting

# Update: Improve Login Rate Limiting

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 16 March 2021

19:06:07 GMT+0000

 [ VIP MU plugins [Production] ](https://docs.wpvip.com/changelog/vip-mu-plugins-production/)

 [ Permalink  ](https://docs.wpvip.com/changelog/vip-mu-plugins-production/update-improve-login-rate-limiting/)

Adds additional sanitization of the username/email during login attempts to normalize
the value and ensure more accurate rate limiting.

https://github.com/Automattic/vip-go-mu-plugins/pull/2016