Sidewinder is an apt_group tracked by ThreatCluster, appearing in 6 threat clusters built from 6 intelligence report mentions.
Sidewinder is a apt_group tracked across 6 threat clusters and 6 intelligence report mentions on ThreatCluster. First observed November 14, 2025; most recent activity June 8, 2026.
The advanced persistent threat group SideWinder has initiated a targeted phishing campaign aimed at South Asian government organizations, specifically targeting institutions like the Bangladesh Navy and Pakistan’s…
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Sidewinder is an apt_group tracked by ThreatCluster, appearing in 6 threat clusters built from 6 intelligence report mentions.
The most recent intelligence report mentioning Sidewinder on ThreatCluster is dated June 8, 2026. Activity was first observed November 14, 2025, giving a tracked span from then to June 8, 2026.
Across ThreatCluster reporting, Sidewinder most frequently co-occurs with Andariel, Apt12, Apt28, Apt29, APT3, among 12 tracked related entities.
The most significant recent cluster is “SideWinder Targets South Asian Governments with Phishing Campaign” (2 articles · Updated April 21, 2026). Sidewinder appears across 6 threat clusters in total, listed above with sources.
Sidewinder appears in 6 intelligence report mentions across 6 deduplicated threat clusters, aggregated from 17,000+ monitored sources.