Mastodon is an organization tracked by ThreatCluster, appearing in 4 threat clusters built from 8 intelligence report mentions.
Mastodon is a organization tracked across 4 threat clusters and 8 intelligence report mentions on ThreatCluster. First observed April 20, 2026; most recent activity June 30, 2026.
The Gamaredon group, a Russian-aligned APT, has significantly upgraded its cyber capabilities in 2025, focusing on spear-phishing campaigns against Ukrainian targets. ESET Research reports that Gamaredon conducted 35…
On June 4, 2026, Viginum, the French government agency, revealed a network of fake news websites linked to China's state media, CGTN. The operation, named 'Fawn Mianju', uncovered over 3000 articles, with 2300 being…
Mastodon's flagship server, mastodon.social, experienced a severe DDoS attack on April 20, 2026, which temporarily rendered the site inaccessible to many users. The attack involved a flood of malicious web traffic that…
ESET Research participated in Operation Endgame, a coordinated effort to disrupt the Amadey botnet and Stealc infostealer. This operation involved multiple organizations, including Microsoft and Europol, targeting the…
Mastodon is an organization tracked by ThreatCluster, appearing in 4 threat clusters built from 8 intelligence report mentions.
The most recent intelligence report mentioning Mastodon on ThreatCluster is dated June 30, 2026. Activity was first observed April 20, 2026, giving a tracked span from then to June 30, 2026.
Across ThreatCluster reporting, Mastodon most frequently co-occurs with Gamaredon, InvisiMole, Sandworm, Turla, Uac-0099, among 12 tracked related entities.
The most significant recent cluster is “Gamaredon APT Escalates Cyber Operations Against Ukraine in 2025” (7 articles · Updated June 25, 2026). Mastodon appears across 4 threat clusters in total, listed above with sources.
Mastodon appears in 8 intelligence report mentions across 4 deduplicated threat clusters, aggregated from 17,000+ monitored sources.