Esecurityplanet Optimizely Investigates Data Breach from Vishing Attack
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Optimizely, a New York-based ad tech firm, has confirmed a data breach resulting from a voice phishing (vishing) attack. The incident compromised some of its systems, affecting an undisclosed number of customers, including major brands such as H&M and PayPal. The company has begun notifying affected customers about the breach.
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Updated 217d ago How this analysis works
Timeline
2026-02-23
Optimizely confirms data breach after vishing attack
2026-02-23
Optimizely notifies customers about the breach
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