data breach

Malware stole internal PowerSchool passwords from engineer’s hacked computer

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A cyberattack and data breach at U.S. edtech giant PowerSchool that was discovered December 28 threatens to expose the private data of tens of millions of school children and teachers.  PowerSchool told customers the breach was linked to the compromise of a subcontractor’s account. TechCrunch learned this week of a separate security incident, involving a […]

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Clop ransomware gang names dozens of victims hit by Cleo mass-hack, but several firms dispute breaches

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The prolific Clop ransomware gang has named dozens of corporate victims it claims to have hacked in recent weeks after exploiting a vulnerability ​​in several enterprise popular file transfer products developed by U.S. software company Cleo.  In a post on its dark web leak site, seen by TechCrunch, the Russia-linked Clop gang listed 59 organizations

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PowerSchool data breach victims say hackers stole ‘all’ historical student and teacher data

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U.S. school districts affected by the recent cyberattack on edtech giant PowerSchool have told TechCrunch that hackers accessed “all” of their historical student and teacher data stored in their student information systems.  PowerSchool, whose school records software is used to support more than 50 million students across the United States, was hit by an intrusion

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UnitedHealth hid its Change Healthcare data breach notice for months

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Change Healthcare, the UnitedHealth-owned healthtech company that lost more than 100 million people’s sensitive health data in a ransomware attack last year, said on Tuesday that the company has “substantially” completed notifying affected individuals about the massive data breach. The February 2024 ransomware attack on Change Healthcare, one of the biggest processors of patient billing

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Cannabis company Stiiizy says hackers accessed customers’ ID documents

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Popular Los Angeles-based cannabis brand Stiiizy has confirmed that hackers accessed reams of sensitive customer data, including government-issued documents and medical cannabis cards, during a November cyberattack. In a data breach notice filed with California’s attorney general this week, Stiiizy said it was notified by its point-of-sale processing vendor that an “organized cybercrime group” had

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PowerSchool says hackers stole students’ sensitive data, including Social Security numbers, in data breach

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Edtech giant PowerSchool has warned customers that hackers accessed its customers’ highly sensitive information — including student Social Security numbers, grades, and medical information — during a recent data breach, TechCrunch has learned.  In an FAQ obtained by TechCrunch that was sent to affected customers this week, PowerSchool says that “sensitive personal information” was accessed during

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Ukrainian hackers take credit for hacking Russian ISP that wiped out servers and caused internet outages

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Russian internet provider Nodex said it was in the process of restoring its systems after a destructive cyberattack earlier this week that saw hackers compromise its network and wipe its internal servers, causing an immediate and complete collapse of internet connectivity to its Russian customers. According to data from networking giant Cloudflare, which monitors internet

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Edtech giant PowerSchool says hackers accessed personal data of students and teachers

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Education technology giant PowerSchool has told customers that it experienced a “cybersecurity incident” that allowed hackers to compromise the personal data of students and teachers in K-12 school districts across the United States. The California-based PowerSchool, which was acquired by Bain Capital for $5.6 billion in 2024, is the largest provider of cloud-based education software

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Casio says hackers stole personal data of 8,500 people during October ransomware attack

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Japanese electronics giant Casio has confirmed that the personal data of almost 8,500 individuals was stolen during an October ransomware attack. Casio was the target of a ransomware attack on October 5, which saw hackers access sensitive data and render many of the company’s systems unusable. The attack was claimed by the Underground ransomware gang,

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UN aviation agency confirms hacker breached recruitment database to access thousands of records

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The United Nations’ aviation agency has confirmed that a hacker accessed thousands of records after compromising its internal recruitment database. Over the weekend, an individual using the alias “Natohub” claimed to have accessed 42,000 documents from the International Civil Aviation Organization (ICAO). The agency said it was investigating the incident on Monday and, in an

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