UnitedHealth hid its Change Healthcare data breach notice for months
The ransomware attack on Change Healthcare affected over 100 million Americans, the health giant told regulators.
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A breach of Gravy Analyticsβ huge trove of location data threatens the privacy of millions
The company confirmed the breach after a hacker posted millions of location data records online.
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China hacked US Treasuryβs CFIUS, which reviews foreign investments for national security risks
The hackers targeting the Treasury are dubbed Silk Typhoon, and previously mass-hacked thousands of corporate email servers.
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Ukrainian hackers take credit for hacking Russian ISP that wiped out servers and caused internet outages
The Russian ISP blamed the Ukrainian hackers for causing a "complete failure" across its internet infrastructure.
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EU court fines European Commission for breaching its own data privacy laws
The EU court said the bloc's executive authority violated a citizen's rights by transferring some of his personal data to the U.S. without proper safeguards.
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Telegram reports spike in sharing user data with law enforcement
The messaging app handed over user data on thousands of Telegram users to U.S. authorities over 2024, the data reveals.
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Washington sues T-Mobile over 2021 data breach that spilled 79 million customer records
The 2021 breach affected at least 2 million Washington state residents, and tens of millions more customers around the United States.
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CISA says βno indicationβ of wider government hack beyond Treasury
U.S. Treasury officials confirmed a cyberattack on its systems in early December 2024.
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Online gift card store exposed hundreds of thousands of peopleβs identity documents
The gift card store secured the public cloud storage server containing customer ID documents, which was not protected with a password.
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US Treasury says China accessed government documents in βmajorβ cyberattack
Treasury officials attributed the December theft of unclassified documents to China.
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Volkswagen leak exposed precise location data on thousands of vehicles across Europe for months
The data was found exposed on an Amazon cloud server, and contained precise location data on thousands of vehicles.
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Cyber firmβs Chrome extension hijacked to steal user passwords
The data-loss startup says it was targeted as part of a "wider campaign to target Chrome extension developers."
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These were the badly handled data breaches of 2024
Blaming victims, months of silence, and suing security researchers all featured in cybersecurity in 2024.
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Home for the holidays? Share this top cybersecurity advice with friends and family
Sharing security advice can go a long way in protecting your loved ones from the most common and damaging online threats.
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Clop ransomware gang takes credit for latest mass hack that breached dozens of companies
The prolific ransomware gang says it hacked at least 66 companies by exploiting a bug in tools made by Cleo Software.
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These are the cybersecurity stories we were jealous of in 2024
The very best work from our friends at competing publications.
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The TechCrunch Cyber Glossary
This glossary includes the most common terms and expressions TechCrunch uses in our security reporting, and explanations of how β and why β we use them.
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Third member of LockBit ransomware gang has been arrested
LockBit is believed tobe responsible for at least $500 million in ransom payments alone.
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Ransomware attack on health giant Ascension hits 5.6 million patients
The cyberattack on Ascension ranks as the third-largest healthcare-related breach of 2024.
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Tracker firm Hapn spilling names of thousands of GPS tracking customers
A security researcher found customer names and workplace affiliations spilling directly from Hapn's servers.
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