Internal Revenue Service — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
December 3, 2025
Last Seen
February 1, 2026

Internal Revenue Service is a organization tracked across 4 threat clusters and 5 intelligence report mentions on ThreatCluster. First observed December 3, 2025; most recent activity February 1, 2026.

Related Threat Clusters

  • Opexus Hires Twins with Criminal Past, Fails Background Check

    Opexus hired twins Muneeb and Sohaib Akhter, who had a criminal history including wire fraud and hacking the State Department. The company conducted background checks but missed key red flags from the brothers' past…

    1 article · Updated December 15, 2025
  • Open-source AI Deployments Present Global Security Risks

    Researchers from SentinelLABS and Censys have identified a significant security risk associated with open-source AI deployments, specifically those using Ollama, which are exposed to the internet. The analysis revealed…

    2 articles · Updated February 1, 2026
  • Virginia Brothers Charged with Stealing and Wiping Government Databases

    Twin brothers Muneeb and Sohaib Akhter were arrested for allegedly stealing and destroying sensitive government data after being fired from their contractor positions. The brothers are accused of compromising databases…

    4 articles · Updated December 4, 2025
  • Treasury Cancels Contracts with Booz Allen Over Trump Tax Records Leak

    The U.S. Treasury Department has canceled all contracts with Booz Allen Hamilton after an employee leaked tax records of President Donald Trump and billionaires Jeff Bezos and Elon Musk. The cancellation affects 31…

    2 articles · Updated January 27, 2026

Recent Intelligence Reports

  • Open-source AI is a global security nightmare waiting to happen, say researchers — Theregister · February 1, 2026
  • Open-source AI is a global security nightmare waiting to happen, say researchers — Theregister · February 1, 2026
  • Treasury cuts ties with Booz Allen over tax records breach — Federalnewsnetwork · January 27, 2026
  • Opexus claims background checks missed red flags on twins accused of insider breach — Cyberscoop · December 15, 2025
  • Twins with hacking history charged in insider data breach affecting multiple federal agencies — Cyberscoop · December 3, 2025

CVSS v3.1 Breakdown