NovaCookies Campaigns Abuse Genuine Docusign Notifications to Steal Microsoft 365 Sessions

Cybersecurity researchers have disclosed details of a new adversary-in-the-middle (AitM) phishing toolkit called NovaCookies that's used as a proxy to redirect Microsoft 365 sign-ins, while capturing authenticated sessions in the process.

In a report shared with The Hacker News ahead of publication, Island characterized the $320/month service as a subscription-based phishing platform that

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id: 2736
uid: 40G8V
insdate: 2026-08-26 15:10:15
title: NovaCookies Campaigns Abuse Genuine Docusign Notifications to Steal Microsoft 365 Sessions
additional: Cybersecurity researchers have disclosed details of a new adversary-in-the-middle (AitM) phishing toolkit called NovaCookies that's used as a proxy to redirect Microsoft 365 sign-ins, while capturing authenticated sessions in the process.

In a report shared with The Hacker News ahead of publication, Island characterized the $320/month service as a subscription-based phishing platform that
category: Cybersecurity
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guid: https://thehackernews.com/2026/08/novacookies-campaigns-abuse-genuine.html
source_url: https://thehackernews.com/2026/08/novacookies-campaigns-abuse-genuine.html
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