Deloitte — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
December 13, 2025
Last Seen
April 20, 2026

Deloitte is a organization tracked across 3 threat clusters and 4 intelligence report mentions on ThreatCluster. First observed December 13, 2025; most recent activity April 20, 2026.

Overview

Deloitte is a global professional services firm offering cybersecurity advisory, risk management, and incident response services. It helps organizations assess cyber risk, design and implement security controls, and respond to breaches, making it a key player in shaping security strategy for enterprises worldwide.

Related Threat Clusters

  • Hazy Hawk Campaign Hijacks Subdomains at 34 US Universities

    In early April 2026, a coordinated subdomain takeover campaign was discovered, affecting 34 major US universities, including MIT, Harvard, and Stanford. The attackers, identified as Hazy Hawk, exploited abandoned CNAME…

    2 articles · Updated April 20, 2026
  • $6.3M RIBridges and $1M Dakota Eye Institute Data Breach Settlements

    Deloitte has agreed to a $6.3 million settlement regarding a 2024 data breach affecting RIBridges. Additionally, a $1 million settlement has been reached for patients affected by the Dakota Eye Institute data breach,…

    3 articles · Updated December 13, 2025
  • ownCloud Users Urged to Enable MFA Amid Credential Theft Reports

    ownCloud has advised its users to activate multi-factor authentication (MFA) following reports of credential theft that could allow attackers to access sensitive data. The warning comes as a threat actor, Zestix, is…

    2 articles · Updated January 7, 2026

Recent Intelligence Reports

  • Hazy Hawk Hijacked Subdomains Mit Harvard Stanford Us Universities — www.sh.consulting · April 20, 2026
  • ownCloud urges users to enable MFA after credential theft reports — Bleepingcomputer · January 7, 2026
  • Cloud file — Bleepingcomputer · January 5, 2026
  • $6.3M RIBridges data breach class action settlement — Topclassactions · December 13, 2025

CVSS v3.1 Breakdown