data breach

Change Healthcare stolen patient data leaked by ransomware gang

This is the second group to demand a ransom payment from Change Healthcare to prevent the release of stolen patient data in as many months.

Roku says 576,000 user accounts hacked after second security incident

Roku said it discovered malicious hackers compromised more than half a million user accounts while investigating an earlier spate of account hacks.

US think tank Heritage Foundation hit by cyberattack

Founded in 1973, the Washington DC-based Heritage Foundation and supports and lobbies on conservative issues.

US government urges Sisense customers to reset credentials after hack

The U.S. cybersecurity agency said it was responding to a "recent compromise" at the data analytics giant, which provides business intelligence to critical infrastructure companies.

AT&T notifies regulators after customer data breach

The legally required disclosure came a week after AT&T confirmed a cache containing millions of customers' data that leaked online was genuine.

Targus says cyberattack is causing operational outage

Targus' parent company, B. Riley Financial, said it discovered "a threat actor gained unauthorized access to certain of Targus’ file systems."

Hackers stole 340,000 Social Security numbers from government consulting firm

U.S. consulting firm Greylock McKinnon Associates (GMA) disclosed a data breach in which hackers stole as many as 341,650 Social Security numbers. The data breach was disclosed on Friday on Maine’s

Indian government’s cloud spilled citizens’ personal data online for years

The Indian government has finally resolved a years-long cybersecurity issue that exposed reams of sensitive data about its citizens. A security researcher exclusively told TechCrunch he found at least

AT&T resets account passcodes after millions of customer records leak online

A security researcher told TechCrunch that leaked AT&T customer data contained encrypted account passcodes that can be easily unscrambled.

US offers $10M to help catch Change Healthcare hackers

The government's reward for information now extends to ALPHV's affiliates, which claimed responsibility for a massive weekslong healthcare cyberattack.

UK blames China for massive breach of voter data

It's the first time the United Kingdom has attributed the massive breach of millions of citizens' voter data since the cyberattack was first disclosed in 2023.

AT&T won’t say how its customers’ data spilled online

Customers say their leaked AT&T customer data — names, addresses, phone numbers and Social Security numbers — is accurate.

Mintlify says customer GitHub tokens exposed in data breach

Documentation startup Mintlify says dozens of customers had GitHub tokens exposed in a data breach at the start of the month and publicly disclosed last week. Mintlify helps developers create document

How to verify a data breach

Over the years, TechCrunch has extensively covered data breaches. In fact, some of our most-read stories have come from reporting on huge data breaches, such as revealing shoddy security practices at

As the Change Healthcare outage drags on, fears grow that patient data could spill online

A cyberattack at U.S. health tech giant Change Healthcare has ground much of the U.S. healthcare system to a halt for the second week in a row. Hospitals have been unable to check insurance benefits o

UK utility giant Southern Water says hackers stole personal data of hundreds of thousands of customers

U.K.-based water utility Southern Water has confirmed that hackers stole the personal data of as many as 470,000 customers in a recent data breach. Southern Water, which provides water and wastewater

Hackers uncover new TheTruthSpy stalkerware victims: Is your Android device compromised?

A consumer-grade spyware operation called TheTruthSpy poses an ongoing security and privacy risk to thousands of people whose Android devices are unknowingly compromised with its mobile surveillance a

‘World’s biggest casino’ app exposed customers’ personal data

The startup that develops the phone app for casino resort giant WinStar has secured an exposed database that was spilling customers’ private information to the open web. Oklahoma-based WinStar b

HopSkipDrive says personal data of 155,000 drivers stolen in data breach

Student rideshare startup HopSkipDrive has confirmed a data breach involving the personal data of more than 155,000 drivers. Los Angeles-based HopSkipDrive offers an Uber-style rideshare service for c

FTC orders Blackbaud to overhaul ‘reckless’ security practices in wake of 2020 breach

Education tech company Blackbaud agreed to settle with the U.S. Federal Trade Commission over the company’s security practices that resulted in a 2020 data breach. The FTC alleges that Blackbaud, a
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