Zack Whittaker

Zack Whittaker

Security Editor

Zack Whittaker is the security editor at TechCrunch. You can send tips securely via Signal and WhatsApp to +1 646-755-8849. He can also be reached by email at zack.whittaker@techcrunch.com.

The Latest from Zack Whittaker

What we learned when Twitter whistleblower Mudge testified to Congress

A ticking bomb of security vulnerabilities. Covering up security failures. Duping regulators and misleading lawmakers. These are just some of the allegations when Twitter’s ex-security lead turn

iOS 16 lands today with these five new security and privacy features

Apple’s long-awaited iOS 16 update for iPhones lands Monday with new security and privacy features, aimed at preventing spyware, protecting users against domestic and spousal abuse and replacin

Patreon confirms security team layoffs

Patreon has confirmed it has laid off five employees from its security team. Emily Metcalfe, a former senior security engineer at Patreon, said in a LinkedIn post on Thursday: “So for better or

Parsing Samsung’s data breach notice

What Samsung is saying — and isn't saying — about its July data breach.

Samsung says customer data stolen in July data breach

Electronics giant Samsung has confirmed a data breach affecting customers’ personal information. In a brief notice, Samsung said it discovered the security incident in late-July and that an &#82

A huge Chinese database of faces and vehicle license plates spilled online

A massive Chinese database storing millions of faces and vehicle license plates was left exposed on the internet for months before it quietly disappeared in August. While its contents might seem unrem

Plex warns users to reset passwords after data breach

Streaming media platform Plex has confirmed a data breach and is warning users to change their passwords. Plex said it discovered the compromise on Tuesday and found the intruder had accessed “a

Apple releases iOS, iPadOS and macOS security fixes for two zero-days under active attack

Apple released surprise software updates for iPhones, iPads and Macs on Wednesday that fix two security vulnerabilities known by Apple to be actively exploited by attackers. The two vulnerabilities we

TechCrunch launches TheTruthSpy spyware lookup tool

TechCrunch today launched a spyware lookup tool that allows anyone to check if their Android device was compromised by a fleet of consumer-grade spyware apps, including TheTruthSpy. The aim is to help

Hands-on with Lockdown Mode in iOS 16

Lockdown Mode is a new Apple feature you should hope you’ll never need to use. But for those who do, like journalists, politicians, lawyers and human rights defenders, it’s a last line of

Twitter fixes security bug that exposed at least 5.4 million accounts

Twitter says it has fixed a security vulnerability that allowed threat actors to compile information of 5.4 million Twitter accounts, which were listed for sale on a known cybercrime forum. The vulner

Hackers stole passwords for accessing 140,000 payment terminals

Hackers had access to dashboards used to remotely manage and control thousands of credit card payment terminals manufactured by digital payments giant Wiseasy, a cybersecurity startup told TechCrunch.

JusTalk spilled millions of user messages and locations for months

Popular messaging app JusTalk left a huge database of unencrypted private messages publicly exposed to the internet without a password for months. The messaging app has around 20 million international

Messaging app JusTalk is spilling millions of unencrypted messages

Popular video calling and messaging app JusTalk claims to be both secure and encrypted. But a security lapse has proven the app to be neither secure nor encrypted after a huge cache of users’ un

Security flaws in a popular GPS tracker are exposing a million vehicle locations

Security vulnerabilities in a popular Chinese-built GPS vehicle tracker can be easily exploited to track and remotely cut the engines of at least a million vehicles around the world, according to new

Runa Sandvik’s new startup Granitt secures at-risk people from hackers and nation states

Few know the threats that journalists face better than Sandvik, a native Norwegian. She defended The New York Times newsroom from hackers and nation-state adversaries, trained reporters to cloak their

A ransomware attack on a debt collection firm is one of 2022’s biggest health data breaches

A ransomware attack on a little-known debt collection firm that serves hundreds of hospitals and medical facilities across the U.S. could be one of the biggest data breaches of personal and health inf

Amazon’s Ring gave a record amount of doorbell footage to the government in 2021

Ring, the maker of internet-connected video doorbells and security cameras, said in its latest transparency report that it turned over a record amount of doorbell footage and other information to U.S.

A huge data leak of 1 billion records exposes China’s vast surveillance state

A massive store of data containing information on about one billion Chinese residents could be one of the biggest breaches of personal information in history. Portions of the leaked data appeared last

Apple says Lockdown Mode in iOS 16 will help block government spyware attacks

Apple said Wednesday it will bring a new “Lockdown Mode” to its upcoming iPhone and Mac software that will switch off certain features aimed at helping targeted individuals combat governme
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