Cellbroadcast is a technology platform tracked by ThreatCluster, appearing in 1 threat cluster built from 2 intelligence report mentions.
Cellbroadcast is a technology platform tracked across 1 threat cluster and 2 intelligence report mentions on ThreatCluster. First observed June 20, 2026; most recent activity June 21, 2026.
Brazil's national civil defense alert system was hacked, sending unauthorized alerts with the term 'misanthropi4' to millions of mobile phones across at least seven states. The alerts, categorized as 'Extreme Alert',…
Cellbroadcast is a technology platform tracked by ThreatCluster, appearing in 1 threat cluster built from 2 intelligence report mentions.
The most recent intelligence report mentioning Cellbroadcast on ThreatCluster is dated June 21, 2026. Activity was first observed June 20, 2026, giving a tracked span from then to June 21, 2026.
Across ThreatCluster reporting, Cellbroadcast most frequently co-occurs with Anatel, Brazilian Government, CNN Brasil, National Civil Defense, National Civil Protection And Defense System, among 9 tracked related entities.
The most significant recent cluster is “Hackers Disrupt Brazil's Emergency Alert System with Fake 'Misanthropy' Messages” (19 articles · Updated June 20, 2026). Cellbroadcast appears across 1 threat cluster in total, listed above with sources.
Cellbroadcast appears in 2 intelligence report mentions across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.