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Zscaler ThreatLabZ Phishing Roundup

ID: b598c051-5e26-5a11-bd95-e0cde69207c4

STIX ID: report--b598c051-5e26-5a11-bd95-e0cde69207c4

Feed Name: Zscaler Security Research Blog

Threat Score
55/100

Date Published: 2025-04-02

Date Updated: 2026-05-01

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This Zscaler ThreatLabZ blog analyzes recent phishing activity observed in the cloud, highlighting top targeted brands and site categories, delivery methods (email/SMS links and increasing HTTPS usage), and multiple evasion techniques — including encrypted source code, punycode homographs, image-based data exfiltration, disabled right-click, and researcher IP/User-Agent filtering — with examples (compromised sites and the "chalbhai" campaign) and recommendations for detection and coverage.

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