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Threat Intelligence Report

Spring Ring: An Inside Look at Voice Phishing Campaigns in Microsoft Teams

📅 August 31, 2026 📰 unit42.paloaltonetworks.com 🔍 0 CVE(s) referenced

Attackers are exploiting Microsoft Teams’ trust and voice features to impersonate IT staff in highly convincing vishing campaigns, coercing employees into granting remote access or executing malware that can escalate to domain-wide compromise.

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