Error 524 Decoy Campaign is a threat campaign tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed June 3, 2026; most recent activity June 3, 2026.
Group-IB researchers have uncovered a large-scale smishing and phishing operation that has been active since the second half of 2025. This campaign impersonates over 260 brands across 72 countries, primarily targeting…