Breaches


  • Ransomware Data Breach Protection Cyber Security Email Phishing Encrypted Technology, Digital Information Protected Secured
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    Ransomware disproportionately targets medium-sized firms, straining customer relationships

    These companies often have the hardest time balancing their roles as suppliers and customers, according to the risk management firm Black Kite.

    By Aug. 19, 2026
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    Major genetic-testing firm says hack compromised sensitive patient data

    The June breach, which also exposed employees’ information, underscored the supply-chain risks facing the healthcare sector.

    By Aug. 17, 2026
  • Trendline

    Managing identity sprawl

    Cyber threat actors know the simplest way to hack into an enterprise and remain under the radar is with stolen, legitimate user credentials -- and cloud services and AI are making managing and securing digital identities more challenging than ever.

    By Cybersecurity Dive staff
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    Researchers confirm breach claims by data-extortion group

    The exfiltrated data may be related to misconfiguration of Microsoft Power Page portals, according to a new report.

    By Aug. 14, 2026
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    Former BlackFile affiliates linked to extortion campaign targeting private equity

    Researchers warned that hackers are using voice-phishing attacks to pressure company employees under the guise of providing IT help desk services.

    By Aug. 11, 2026
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    Experts say healthcare faces cybersecurity crisis: ‘These are patient safety issues’

    Regulatory failures, funding constraints and industry consolidation have created serious hacking risks.

    By Aug. 7, 2026
  • A man stands on a stage next to a screen that shows the stages of a cyberattack
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    Eric Geller/Cybersecurity Dive
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    OpenAI warns autonomous hacks are ‘watershed moment for computer security’

    Company employees said their industry should rethink how it balances capabilities and safeguards.

    By Aug. 5, 2026
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    MF3d via Getty Images
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    Tech industry alliance proposes AI agent safety reporting program

    The information-sharing exchange is designed to widely share lessons learned from agentic AI security incidents.

    By Aug. 4, 2026
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    AI makes costly spearphishing attacks easier, cyber insurer says

    Impersonation campaigns led to more than 85% of the losses that Resilience dealt with in the first half of the year, a dramatic increase from two years ago.

    By Aug. 4, 2026
  • The Claude AI website is seen on a laptop
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    Michael M. Santiago via Getty Images
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    Anthropic says human error let Claude AI models escape test environment and hack third parties

    The company said its discovery, which followed OpenAI’s similar admission, proved the need for better testing guardrails.

    By July 31, 2026
  • Microsoft AI antitrust concerns
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    Hackers abuse Microsoft Teams in ransomware campaign through fake IT support

    Researchers said dozens of US and Canadian firms have been targeted, however, the motivation appears to be financial rather than espionage.

    By July 30, 2026
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    As data breaches grow costlier, ungoverned AI creates new risks

    Meanwhile, many companies still aren’t doing the basics to protect on-premises data, IBM found.

    By July 29, 2026
  • fairlife, coca-cola
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    Courtesy of Coca-Cola
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    Coca-Cola restores most production capacity at dairy unit after ransomware attack

    The company said it does not expect the Fairlife disruption to have a material impact on financial performance or operations. 

    By July 27, 2026
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    Permission granted by Fairlife
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    Threat group claims credit for ransomware attack on Coca-Cola’s dairy unit

    The attackers previously exploited vulnerabilities or used stolen credentials for initial access. 

    By July 22, 2026
  • Stripe OpenAI agentic AI Sam Altman commerce protocol
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    Justin Sullivan via Getty Images
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    OpenAI models escaped containment, hacked major AI application library

    The attack is the first known instance of frontier models autonomously breaking out of a testing environment and into another company’s servers.

    By July 22, 2026
  • American Hospital Hallway
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    Hackers steal customer data from major hospital software vendor

    The breach is another reminder of how vulnerable the healthcare industry is to supply-chain attacks.

    By July 20, 2026
  • Modern glass and metal office building with a reflective blue-tinted facade, set against a clear blue sky. In the foreground, a large black and white sign reads “Abbott” with the company’s stylized logo and the number “645.” The area has neatly cut grass and a few small trees.
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    Alamy
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    Abbott discloses cyberattack on cancer diagnostics business

    The cyberattack follows Abbott’s recent $21 billion purchase of Exact Sciences. Abbott did not disclose what kind of information was accessed.

    By Ricky Zipp • July 17, 2026
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    Data breach hits car insurance provider

    Hackers gained access to more than 6.9 million records at AssuranceAmerica by targeting a company employee.

    By July 9, 2026
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    Ransomware ecosystem grows, but ‘four-headed monster’ dominates

    AI is helping hackers, a new report finds, but mostly by automating very human behaviors.

    By July 9, 2026
  • A large building with the Accenture logo is seen in front of trees and construction cranes
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    PierreOlivierClementMantion via Getty Images
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    Accenture faces massive data breach that could put clients at risk

    The threat actor claiming responsibility says they stole source code, encryption keys and more.

    By July 8, 2026
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    Alleged member of Scattered Spider extradited to US

    A man with dual U.S.-Estonian citizenship was charged in connection to the hack of a luxury jewelry retailer.

    By July 6, 2026
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    Most cybersecurity workers have been told to conceal a breach, report finds

    Security firm Bitdefender also found that U.S. companies were simultaneously more confident and more strained on cyber defense than foreign peers.

    By July 2, 2026
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    Insurance body confirms hackers posted Oracle PeopleSoft breach data

    NAIC warned that some ratings agencies have suspended data feeds as a precaution. 

    By Updated June 29, 2026
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    Ransomware attacks grew in 2025 as traditional data breaches fell

    In a new report, Bitsight charted a massive surge in internet-exposed AI services.

    By June 24, 2026
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    Klue investigating supply chain attack that targeted Salesforce integrations

    Customer data from several prominent cybersecurity firms was among that of hundreds of potential enterprise victims.

    By June 23, 2026
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    Courtesy of Fortinet
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    CISA urges device hardening after thousands of Fortinet credentials compromised

    Security researchers warn of a months-long FortiBleed campaign targeting western organizations.

    By June 22, 2026