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Email Bombing, Fake IT Support Calls Drive Microsoft Teams Phishing Surge

Mayura Kathir · 2 days ago · Read original ↗

ATT&CK techniques detected

6 predictions
T1566.002Spearphishing Link
83%
". - establish verification procedures for it requests using trusted internal channels. these microsoft teams phishing campaigns highlight a broader shift toward abusing trusted enterprise platforms for initial access. by combining email bombing, impersonation, and remote access a…"
T1667Email Bombing
74%
"email bombing, fake it support calls drive microsoft teams phishing surge email bombing campaigns combined with fake it support outreach are driving a surge in sophisticated microsoft teams phishing attacks. the attacks typically begin with email bombing, where victims are floode…"
T1586.002Email Accounts
52%
"email bombing, fake it support calls drive microsoft teams phishing surge email bombing campaigns combined with fake it support outreach are driving a surge in sophisticated microsoft teams phishing attacks. the attacks typically begin with email bombing, where victims are floode…"
T1566.004Spearphishing Voice
45%
"email bombing, fake it support calls drive microsoft teams phishing surge email bombing campaigns combined with fake it support outreach are driving a surge in sophisticated microsoft teams phishing attacks. the attacks typically begin with email bombing, where victims are floode…"
T1566.003Spearphishing via Service
38%
"email bombing, fake it support calls drive microsoft teams phishing surge email bombing campaigns combined with fake it support outreach are driving a surge in sophisticated microsoft teams phishing attacks. the attacks typically begin with email bombing, where victims are floode…"
T1583.001Domains
35%
"data exfiltration. infrastructure and attribution patterns esentire identified consistent infrastructure patterns across these campaigns. malicious microsoft teams messages frequently originate from bulletproof hosting providers such as nktelecom inc, worktitans b. v., global con…"

Summary

Email bombing campaigns combined with fake IT support outreach are driving a surge in sophisticated Microsoft Teams phishing attacks. The attacks typically begin with email bombing, where victims are flooded with spam messages to create confusion and urgency. Shortly after, threat actors initiate contact via Microsoft Teams, impersonating internal IT support or helpdesk personnel. Posing […]

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