S-300 — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
February 6, 2026
Last Seen
June 17, 2026

S-300 is a technology platform tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.

S-300 is a technology platform tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed February 6, 2026; most recent activity June 17, 2026.

Related Threat Clusters

  • Ukraine Intensifies Deep Strikes, Depleting Russian Air Defenses

    Ukraine's long-range strike campaign against Russia is escalating, with over 800 deep strikes planned for 2026, compared to 685 in 2025. These strikes, targeting critical infrastructure, have significantly impacted…

    2 articles · Updated June 17, 2026
  • US Cyber Capabilities Target Iran's Air Defense Systems

    The US military is preparing to utilize advanced cyber and electronic warfare capabilities against Iran's air defense systems, including the S-300 and Bavar-373. These operations aim to disrupt Iran's radar and command…

    2 articles · Updated February 6, 2026

Recent Intelligence Reports

  • Ukraine's deep strikes leaving Russia short on air defense missiles, possibly at an ... — Cbsnews · June 17, 2026
  • 'Digital superpower': Can Iran's SAM network survive a US cyber-electronic storm? — Wionews · February 6, 2026

Frequently asked questions

What is S-300?

S-300 is a technology platform tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.

Is S-300 still active?

The most recent intelligence report mentioning S-300 on ThreatCluster is dated June 17, 2026. Activity was first observed February 6, 2026, giving a tracked span from then to June 17, 2026.

What is S-300 associated with?

Across ThreatCluster reporting, S-300 most frequently co-occurs with Iran, Russia, Ukraine, Aargm-er, Bavar-373, among 12 tracked related entities.

What are the latest developments involving S-300?

The most significant recent cluster is “Ukraine Intensifies Deep Strikes, Depleting Russian Air Defenses” (2 articles · Updated June 17, 2026). S-300 appears across 2 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on S-300?

S-300 appears in 2 intelligence report mentions across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown