Back to overview
Eur logo
eur.nl
Eur
Confidence HighMay 6, 2026eur.nl

Erasmus University Rotterdam student and staff data stolen in Canvas cyberattack

PatternExternal actor · Hacking · Confidentiality impact

As a result of the cyberattack on the Canvas learning platform, data belonging to students and staff of Erasmus University Rotterdam was stolen. The compromised data includes names, email addresses, student numbers, and messages sent within Canvas.

Signal date
May 6, 2026
Updated
Jul 3, 2026
Confidence
High
Sources
3 sources
eur.nl logo

Eur

Domain
eur.nl
Sector
Information
Signals
1 linked

Signal context

First seen: May 6, 2026

Last updated: Jul 3, 2026

Status: Public signal

Key points

  • Data of Erasmus University Rotterdam students and staff stolen.
  • Compromised data includes names, email addresses, student numbers, and messages sent within Canvas.
  • The university confirmed the data theft on May 6, 2026.

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
Eur logo
Eur

Sector: Information

Likely country: 🇳🇱 Netherlands

inferred from company domain

    Estimated
    Threat source
    Hacking activity

    The feed marks multiple actor roles. Treat this as a review signal rather than a final attribution.

    • Source type: outside the affected organization
    • Source type: possible insider or internal misuse
    Business impact
    Potential data exposure

    Impact area: Confidentiality

    Likely asset: User or customer data

    Trend context
    63 signals with similar action pattern
    • 23 signals in the same sector
    • 88 signals with the same likely impact area
    • 1 signal linked to this organization/domain
    Mentioned entities
    EurData DisclosureErasmus University RotterdamCanvasCanvas. Data of Erasmus UniversityRotterdamCompromisedCanvas. The

    External sources

    Related signals

    Grouped by why the signal is relevant.

    aivd.nl logoAivdJul 1, 2026
    Same sectorSame 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.

    stnet.co.jp logoStnetJun 28, 2026
    Same sectorSame action patternSame impact area

    STNet, Inc. Affected by KDDI Corporation Data Breach

    STNet, 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. STNet customers' email addresses and passwords may have been compromised.

    kddi-web.com logoKddi WebJun 28, 2026
    Same sectorSame action patternSame impact area

    KDDI Web Communications Customer Data Affected by KDDI Email System Breach

    KDDI Web Communications, a subsidiary of KDDI, was impacted by the data breach in KDDI Corporation's email system, disclosed on June 28, 2026. The incident, caused by a third-party software vulnerability, led to the potential exposure of up to 14.2 million email addresses and passwords belonging to customers across six Japanese ISPs, including KDDI Web Communications.

    ctc.co.jp logoCtcJun 28, 2026
    Same sectorSame 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.

    nifty.com logoNiftyJun 28, 2026
    Same sectorSame action patternSame impact area

    NIFTY Corporation Affected by KDDI Corporation Data Breach

    NIFTY Corporation, 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. NIFTY Corporation customers' email addresses and passwords may have been compromised.

    biglobe.ne.jp logoBiglobeJun 28, 2026
    Same sectorSame 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.