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Colorado Health Network Notifies Patients of Last Year’s Breach—But Key Details Remain Undisclosed

In August 2025, DataBreaches added the Colorado Health Network (CHN) to our non-public worksheets after threat actors called Cephalus added the provider to its’ dark web leak site with a claim that they had acquired 900 GB of data. Cephalus disappeared from public view days later, and never leaked the data on any server that...

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Ukraine’s National Postal Service Ukrposhta Hacked Overnight

Kyiv Post reports: Ukrposhta, Ukraine’s national postal service, announced system malfunctions following a cyberattack overnight going into Thursday. In a brief update, the state-run postal service said it is working to restore operations and would provide updates as they become available. “Due to a nighttime hostile attack on IT systems, the Ukrposhta application is temporarily malfunctioning,”...

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Tata Electronics confirms cyberattack as hackers leak data

Bill Toulas reports: Tata Electronics has confirmed in a statement to BleepingComputer that it was the target of a cyberattack that impacted parts of its IT infrastructure. The company emphasizes that its operations continued to run normally and were not affected by the incident. […] While Tata Electronics has not disclosed the threat actor’s identity,...

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Xsolis breach affected 1,396,519 of its clients’ patients

Xsolis, Inc. is a business associate in the healthcare sector, providing utilization and case management services. They describe themselves as applying “industry-leading AI and automation to ensure appropriate care settings and accelerate collaboration across a connected network of providers and payers.” On June 19, California Attorney General’s Office posted a copy of a breach notification...

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Cherry Health provides preliminary notice of recent data breach

On April 19, 2026, Cherry Health in Michigan detected suspicious network activity. Investigation revealed that an unknown person or persons had gained access to its network and copied data. On June 18, Cherry Health published a preliminary notice on its website.  The notice makes no mention of any earlier reporting on the incident that had...

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Klue OAuth breach victim list grows as Icarus hackers claim attack

Lawrence Abrams reports: Market intelligence platform Klue has publicly confirmed a recent security incident that allowed threat actors to steal OAuth tokens used to connect to customers’ Salesforce environments, as the new “Icarus” extortion group publicly claims the attack. The disclosure comes after cybersecurity firms Huntress and ReliaQuest detailed how attackers abused compromised Klue Battlecards integrations to steal Salesforce...

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Global Schools Group Obtained Two Court Injunctions That Didn’t Seem to Change Much—and Might Backfire (1)

Following a major data security incident involving sensitive student and parent information, Global Schools Group sought court injunctions prohibiting the publication of data acquired by FulcrumSec. They obtained the injunctions, but once again, injunctions do not affect threat actors — or at least, not in the way the plaintiffs hoped.  Yesterday, DataBreaches reported that Global...

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Canadian hacker pleads guilty to charges for cyberattack on Texas Republican website

Alexandra Posadzki reports: Canadian hacker Aubrey Cottle has pleaded guilty to three charges stemming from a cyberattack linked to notorious hacktivist group Anonymous on the Texas Republican Party. Mr. Cottle, who appeared in court in Newmarket, Ont., on Thursday, pleaded guilty to fraudulently obtaining a computer service, namely the systems of web-hosting company Epik, causing mischief...

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Blue Fish Pediatrics notifies 41,485 Texans about data breach last year

Ahmed Humble reports that 41,485 Texans may have had personal and protected health information exposed in a data breach involving a Houston-based Blue Fish Pediatrics. The breach reportedly occurred between July 11 and July 17, 2025, but patients are only first being notified now. The types of information included: Full names Dates of birth Social...

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Amazon-Owned One Medical Faces Alleged 8.8TB Data Breach

Emily Hill reports: One Medical, the primary care provider acquired by Amazon in 2023, is facing questions after the cybercriminal group ShinyHunters claimed it stole 8.8 terabytes of company data and threatened to publish the information unless negotiations begin by June 22. The allegation remains unverified, and the group has not released any sample data to support...

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Texas government data breach allowed hackers to steal 3 million driver’s licenses and passports

Zack Whittaker reports: A data breach at a Texas state government department allowed hackers to take the driver’s license information and passport numbers of more than 3 million people, according to the state’s attorney general. The incident is one of the largest data breaches to affect the state this year. In a data breach notice on the Texas...

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Data analysis of the Global Schools Group breach, Part 2

In Part 1,  DataBreaches published some totals and aggregate data from the recent Global Schools Group data breach. All analyses and statistics were provided to this site by FulcrumSec, who had attacked Global Schools Group (GSG) and exfiltrated the data. Data from three of GSG’s school brands were included in Part 1. Data for the...

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Cybersecurity breach includes Crime Stoppers of Hamilton data

The Navigate360 (“P3”) data breach seems to finally be getting some attention in Canada. Nicole O’Reilly reports: Hamilton police say they’ve been made aware that a cybersecurity incident earlier this year affecting a U.S.-based online platform includes a breach of Crime Stoppers of Hamilton data. The P3 platform, owned by Navigate360, is under contract with...

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Data analysis of the Global Schools Group breach, Part 1

This is the first part of a two-part report of findings from the Global Schools Group data breach. All statistical analyses and findings were provided to DataBreaches by FulcrumSec, and are presented to assist those investigating the breach as well as parents and employees who might be concerned as to what types of data were...

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Cybercriminals Are Targeting EdTech: Data Breaches and Ransomware Attacks on the Rise

Resecurity writes: The education technology (EdTech) sector has become a prime target for cybercriminals as attacks against educational institutions and related platforms continue to escalate. With sensitive data, including student records, employee information, and payment data, stored on EdTech systems, the sector has become an appealing target for cybercriminals seeking financial gain, data exploitation, and...

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One threat actor demanded $50 million from Novo Nordisk. Another one demanded $25 million. Neither got paid.

Yesterday, DataBreaches reported that FulcrumSec had hacked Danish pharmaceutical giant Novo Nordisk. FulcrumSec followed up on that reporting by releasing their own very detailed report on their dark web leak site about the incident and what they had acquired. This morning, DataBreaches woke up to find messages waiting on Signal from someone claiming they, too, had hacked...

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