TA4903

Primary motivation
financial-gain
Sophistication
intermediate
Resource level
team
Actor type
criminal
Profile updated
2026-07-07 12:16:51

Targeted industries: financial-services government-and-public-sector professional-services

Targeted regions: country_code:us

Context

TA4903 is a financially motivated threat actor known for conducting credential phishing and business email compromise campaigns. They target organizations in the U.S. across various sectors, spoofing government entities and private businesses. The actor has been observed using techniques such as QR codes in phishing campaigns and spoofing supplier domains to prompt victims to provide banking information. TA4903's activities typically involve stealing corporate credentials to facilitate follow-on BEC activities.

Reports & references

  • proofpoint.com — Ta4903 Actor Spoofs Us Government Small Businesses Phishing Bec Bids (report)

External references