Back to overview
Confidence HighJan 7, 2025treasury.gov

CISA Confirms US Treasury Department as Only Federal Agency Impacted by BeyondTrust Breach

PatternExternal actor · Hacking · Confidentiality impact

The Cybersecurity and Infrastructure Security Agency (CISA) confirmed on January 7, 2025, that the US Treasury Department was the only federal agency impacted by a significant data breach attributed to Chinese government-backed hackers. The incident, which came to light in December 2024, involved the exploitation of a compromised cloud service provided by BeyondTrust.

Signal date
Jan 7, 2025
Updated
Jul 1, 2026
Confidence
High
Sources
2 sources
treasury.gov logo

Treasury

Sector
Public Administration
Signals
1 linked

Signal context

First seen: Jan 7, 2025

Last updated: Jul 1, 2026

Status: Public signal

Key points

  • Chinese government-backed hackers (APT group) attributed to the breach.
  • Exploitation of a compromised BeyondTrust cloud service (CVE-2024-12686 and CVE-2024-12356).
  • Attackers gained unauthorized access to a stolen Remote Support SaaS API key.

Signal analysis

Beta

This analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.

Affected organization
Treasury logo
Treasury

Sector: Public Administration

Likely country: 🇺🇸 United States

inferred from company domain

    Estimated
    Threat source
    Hacking activity

    Watch internet-facing systems, credential abuse and exploit activity.

    • Source type: outside the affected organization
    Business impact
    Potential data exposure

    Impact area: Confidentiality

    Likely asset: User or customer data, Server or cloud data store

    Trend context
    66 signals with similar action pattern
    • 1 signal in the same sector
    • 88 signals with the same likely impact area
    • 1 signal linked to this organization/domain
    Mentioned entities
    TreasuryData DisclosureCISA Confirms US Treasury DepartmentOnly Federal Agency ImpactedCISAUS Treasury DepartmentChineseBeyondTrust. ChineseAPTExploitation of

    External sources

    Related signals

    Grouped by why the signal is relevant.

    aivd.nl logoAivdJul 1, 2026
    Same action patternSame impact area

    CTIVD: AIVD en MIVD verwerken persoonsgegevens in bulkdata onrechtmatig

    The Dutch intelligence services, AIVD and MIVD, have unlawfully processed personal data in bulk datasets, according to a ruling by the Committee for the Supervision of the Intelligence and Security Services (CTIVD). The report, published on July 1, 2026, states that groups of employees had unauthorized access to personal data, and large quantities of data were stored for too long. The bulk datasets, sometimes containing millions of records, include names, phone numbers, location data, social media data, and communication content, sourced from government agencies, commercially available datasets, or stolen datasets offered by criminals. The CTIVD has issued thirteen recommendations to improve the situation.

    aflac.com logoAflacJun 30, 2026
    Same action patternSame impact area

    Aflac Life Insurance Japan Suffers Cybersecurity Breach Exposing Policyholder Data

    Aflac Life Insurance Japan disclosed unauthorized access to its systems between June 15 and June 25, 2026. The breach affected files containing policy details, personal information, and bank account information of approximately 4.38 million customers. The company has suspended affected systems and is investigating the incident with third-party cybersecurity experts.

    polymarket.com logoPolymarketJun 29, 2026
    Same action patternSame impact area

    Polymarket Confirms Supply Chain Attack, $3 Million Stolen

    Polymarket, a cryptocurrency-based prediction market, confirmed a supply chain attack. A breach of a third-party frontend vendor led to malicious JavaScript being injected into its website. Attackers tricked users into approving fraudulent transactions, resulting in approximately $3 million being stolen from fewer than 15 accounts. The backend systems remained unaffected.

    naic.org logoNaicJun 29, 2026
    Same action patternSame impact area

    National Association of Insurance Commissioners (NAIC) Confirms Data Breach via Oracle PeopleSoft Zero-Day

    The National Association of Insurance Commissioners (NAIC), a US insurance regulatory standards body, confirmed a cyberattack after the ShinyHunters group claimed theft of 3.1TB of data. The breach was reportedly achieved through an Oracle PeopleSoft zero-day vulnerability. ShinyHunters claimed access to regulatory filings, production logs, cloud configuration files, and other internal records.

    ctc.co.jp logoCtcJun 28, 2026
    Same action patternSame impact area

    Chubu Telecommunications C., Inc. Affected by KDDI Corporation Data Breach

    Chubu Telecommunications C., Inc., a Japanese internet service provider, was impacted by a data breach originating from an email system provided by KDDI Corporation. Threat actors gained unauthorized access to this shared system by exploiting a vulnerability in third-party software. This led to the potential exposure of up to 14.2 million email addresses and passwords across all affected ISPs. Chubu Telecommunications customers' email addresses and passwords may have been compromised.

    biglobe.ne.jp logoBiglobeJun 28, 2026
    Same action patternSame impact area

    BIGLOBE Inc. Affected by KDDI Corporation Data Breach

    BIGLOBE Inc., a Japanese internet service provider, was impacted by a data breach originating from an email system provided by KDDI Corporation. Threat actors gained unauthorized access to this shared system by exploiting a vulnerability in third-party software. This led to the potential exposure of up to 14.2 million email addresses and passwords across all affected ISPs. BIGLOBE Inc. customers' email addresses and passwords may have been compromised.