Koi — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
January 5, 2026
Last Seen
January 28, 2026

Koi is an organization tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.

Koi is a organization tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed January 5, 2026; most recent activity January 28, 2026.

Related Threat Clusters

  • PackageGate Vulnerabilities Affect Major JavaScript Package Managers

    Koi researchers identified a set of vulnerabilities known as 'PackageGate' in NPM, PNPM, VLT, and Bun. These flaws allow attackers to bypass supply chain protections and execute malicious code, posing risks to users of…

    2 articles · Updated January 28, 2026
  • Malicious Extension Risks in AI-Powered VSCode Forks

    AI-powered IDEs like Cursor, Windsurf, Google Antigravity, and Trae recommend extensions that do not exist in the OpenVSX registry. This allows threat actors to claim the namespace and upload malicious extensions,…

    3 articles · Updated January 5, 2026

Recent Intelligence Reports

  • PackageGate bugs let attackers bypass protections in NPM, PNPM, VLT, and Bun — Securityaffairs.Co · January 28, 2026
  • VSCode IDE forks expose users to "recommended extension" attacks — Bleepingcomputer · January 5, 2026

Frequently asked questions

What is Koi?

Koi is an organization tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.

Is Koi still active?

The most recent intelligence report mentioning Koi on ThreatCluster is dated January 28, 2026. Activity was first observed January 5, 2026, giving a tracked span from then to January 28, 2026.

What is Koi associated with?

Across ThreatCluster reporting, Koi most frequently co-occurs with Supply Chain Attack, Azure, OpenVSX, Pnpm, Visual Studio Marketplace, among 10 tracked related entities.

What are the latest developments involving Koi?

The most significant recent cluster is “PackageGate Vulnerabilities Affect Major JavaScript Package Managers” (2 articles · Updated January 28, 2026). Koi appears across 2 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on Koi?

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

CVSS v3.1 Breakdown