Nx-os — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
February 26, 2026
Last Seen
June 13, 2026

Nx-os is a technology platform tracked by ThreatCluster, appearing in 2 threat clusters built from 3 intelligence report mentions.

Nx-os is a technology platform tracked across 2 threat clusters and 3 intelligence report mentions on ThreatCluster. First observed February 26, 2026; most recent activity June 13, 2026.

Related Threat Clusters

  • Cisco SD-WAN Zero-Day Exploited by Threat Actor Since 2023

    A cyber threat actor has been exploiting a zero-day vulnerability (CVE-2026-20127) in Cisco Catalyst SD-WAN Controller since 2023. This vulnerability allows unauthenticated remote attackers to bypass authentication and…

    104 articles · Updated February 25, 2026
  • Operation Highland: Velvet Ant's Decade-Long Espionage Campaign

    Operation Highland, attributed to the Velvet Ant cyberespionage group, involved a sophisticated attack that began in 2016 and persisted undetected for a decade. The attackers hijacked the authentication stack of a major…

    9 articles · Updated June 13, 2026

Recent Intelligence Reports

  • Chinese hackers hijack auth flow, spy on isolated network for a decade — Bleepingcomputer · June 13, 2026
  • Chinese hackers hijack auth flow, spy on isolated network for a decade — Bleepingcomputer · June 13, 2026
  • Cisco: Attackers have been entering networks via security gap for three years — Heise.De · February 26, 2026

Frequently asked questions

What is Nx-os?

Nx-os is a technology platform tracked by ThreatCluster, appearing in 2 threat clusters built from 3 intelligence report mentions.

Is Nx-os still active?

The most recent intelligence report mentioning Nx-os on ThreatCluster is dated June 13, 2026. Activity was first observed February 26, 2026, giving a tracked span from then to June 13, 2026.

What is Nx-os associated with?

Across ThreatCluster reporting, Nx-os most frequently co-occurs with Uat-8616, Velvet Ant, DDoS, Malware, Trojan, among 12 tracked related entities.

What are the latest developments involving Nx-os?

The most significant recent cluster is “Cisco SD-WAN Zero-Day Exploited by Threat Actor Since 2023” (104 articles · Updated February 25, 2026). Nx-os appears across 2 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on Nx-os?

Nx-os appears in 3 intelligence report mentions across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown