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Final Encounters With A Web Comment Spammer

ID: 9c292d84-a6bb-5696-9d37-11aa97a1d30d

STIX ID: report--9c292d84-a6bb-5696-9d37-11aa97a1d30d

Feed Name: Zscaler Security Research Blog

Date Published: 2025-04-02

Date Updated: 2026-05-01

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**Executive summary:** This blog post outlines simple, deployable techniques to reduce automated comment spam—require JavaScript-confirmation, measure form fill time, include CSS-hidden or comment-embedded trap fields, and use non-obvious field names—to help distinguish human submissions from spam bots without resorting to CAPTCHA.

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