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, and his PGP fingerprint for email is: 4D0E 92F2 E36A EC51 DAAE 5D97 CB8C 15FA EB6C EEA5.

He can also be reached by email: zack.whittaker@techcrunch.com.

The Latest from Zack Whittaker

Security lapse exposed Republican voter firm’s internal app code

A voter contact and canvassing company, used exclusively by Republican political campaigns, mistakenly left an unprotected copy of its app’s code on its website for anyone to find. The company,

Saudi spies tracked phones using flaws the FCC failed to fix for years

Lawmakers and security experts have long warned of security flaws in the underbelly of the world’s cell networks. Now a whistleblower says the Saudi government is exploiting those flaws to track

Social Bluebook was hacked, exposing 217,000 influencers’ accounts

A social media platform used to match advertisers with thousands of influencers has been hacked. Social Bluebook, a Los Angeles-based company, allows advertisers to pay social media “influencers

A Norwegian school quit using video calls after a naked man ‘guessed’ the meeting link

A school in Norway has stopped using popular video conferencing service Whereby after a naked man apparently “guessed” the link to a video lesson. According to Norwegian state broadcaster

Cyber insurer Chubb had data stolen in Maze ransomware attack

Chubb, a major cybersecurity insurance provider for businesses hit by data breaches, has itself become a target of a data breach. The insurance giant told TechCrunch it was investigating a “secu

Medical and military contractor Kimchuk hit by data-stealing ransomware

Kimchuk, a medical and military electronics maker, has been hit by data-stealing ransomware, TechCrunch has learned. The Danbury, Conn.-based manufacturer, which builds electronics for medical equipme

Twitter pulls The Federalist’s dangerous ‘pox’ coronavirus tweet

A tweet by conservative online magazine The Federalist, which suggested people should deliberately infect themselves with the coronavirus strain COVID-19, has been pulled after it “violated&#822

UK turns to WhatsApp to share coronavirus information

Three years ago, the U.K. government chastised WhatsApp for enabling end-to-end encryption by default. Today, it’s relying on the encrypted messaging app as a vital service for sharing informati

Better know a CSO: Indiana University Health’s Mitch Parker

Mitch Parker has one of Indiana’s most critical jobs. As chief information security officer for Indiana University Health, Parker oversees cybersecurity for more than 30,000 employees at 18 hosp

Microsoft says hackers are attacking Windows users with a new unpatched bug

Microsoft says attackers are exploiting a previously undisclosed security vulnerability found in all supported versions of Windows, including Windows 10. But the software giant said there is currently

Justice Dept. files its first coronavirus takedown: a bogus vaccine website

U.S. federal prosecutors have filed and won a temporary restraining order against a website offering a fraudulent coronavirus vaccine, which the Justice Department said is its first enforcement action

US State Department issues unprecedented ‘do not travel’ warning over coronavirus

The U.S. State Department has issued an unprecedented “do not travel” warning to U.S. citizens, as the number of coronavirus-related infections jumped sharply overnight. The advisory said

Charter staff told to report to offices despite positive coronavirus tests

Staff at telecommunications giant Charter Communications are still having to work from corporate offices — against the advice from the federal government — despite at least one employee testing po

Hackers hit NutriBullet website with credit card-stealing malware

Magecart hackers have struck again, this time targeting the NutriBullet website. According to new research by security firm RiskIQ, hackers broke into the blender maker’s website several times o

Staff angered as Charter prohibits working from home despite spread of coronavirus

An engineer from Charter Communications, one of the largest phone and internet providers in the U.S., sent an email blast to a senior vice president and hundreds of engineers on Friday. In the email,

Online printing site Doxzoo exposed thousands of customer files

Doxzoo proudly says on its website that your “documents are in safe hands.” But for some time, that wasn’t true. The U.K. printing company left its customer files on a cloud storage

Microsoft Teams goes down — just as everyone starts working from home

Microsoft Teams, the collaboration software that rivals Slack, is currently down. A lot of workers are staying at home because of the ongoing coronavirus pandemic. Countries are shutting borders, enti

Insight Partners sells security firm Checkmarx to Hellman & Friedman for $1.15B

Checkmarx, an Israeli security company acquired in 2015 by private equity firm Insight Partners with an $84 million investment, was sold today to Hellman & Friedman, another private equity firm at

US slashes federal interest rates in response to the coronavirus pandemic

The Federal Reserve announced today that it has slashed interest rates as part of an effort to stabilize the economy following a rocky week on the financial markets. The bank’s Board of Governo

UK is advising against all travel to the US amid the coronavirus pandemic

The U.K. government is advising citizens and residents against all travel to the U.S. in response to the coronavirus pandemic. In a brief statement, the U.K. Foreign Office said it is “advising
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