Zack Whittaker

Zack Whittaker

Zack is the author of ~this week in security~.
06
Dec
'25

I've investigated 'stalkerware' for five years. Here's what I've learned

Stalkerware is a pervasive surveillance used by millions around the world, but these operations keep getting hacked and leaking victims' private phone data.
11 min read
a screenshot showing a Riverside film studio setup, with Zack Whittaker on the left and documentary journalist Daisy Maskell on the right.
30
Nov
'25

this week in security — november 30 2025 edition

Prolific hacker outed as Jordanian teen, Shai-Halud worm hacks thousands of devs, FCC warns of emergency alert hijacks, Mixpanel breach hits OpenAI, and more.
9 min read
26
Nov
'25

Banning TP-Link won't save America from its own terrible cybersecurity

TP-Link routers face a ban in the U.S. over the company's alleged links to China, but shoddy cybersecurity is the real insider threat to the United States.
6 min read
a photo of the back of a TP-Link wireless router
23
Nov
'25

this week in security — november 23 2025 edition

Gainsight breach hits 200 companies; airlines to stop selling ticket data to the government; bank data stolen in SitusAMC hack; DoorDash breach, and more.
10 min read
16
Nov
'25

this week in security — november 16 2025 edition

NSO Group now under U.S. ownership, EU considers weakening GDPR for AI, ClickFix attacks on the rise, U.S. agencies hacked via Cisco bugs, and more.
9 min read
14
Nov
'25

It's far too easy to find leaked passports and driver's licenses online

Passports and driver's licenses are easy to find online, thanks to a dizzying array of websites and apps that require a copy but aren't keeping the data safe.
5 min read
It's far too easy to find leaked passports and driver's licenses online
09
Nov
'25

this week in security — november 9 2025 edition

SonicWall blames nation-state for theft of firewall backups, CBO hacked, Korea Telecom covered up hacks, North Korea's remote IT workers' scheme, and more.
11 min read
06
Nov
'25

Thousands of North Koreans have secretly infiltrated US and European companies as remote IT workers

North Korea's secret remote workers are a major threat facing U.S. and European businesses today, taking jobs in Fortune 100 and smaller companies alike. Here's how to recognize and combat the threat.
15 min read
a photo of North Korean propaganda, featuring a man holding a book, gesturing to the North Korean flag, which reads in Korean: "Let's march forward towards a new victory!"
02
Nov
'25

this week in security — november 2 2025 edition

Ex-Trenchant boss guilty of selling exploits, U.S. may ban TP-Link products, CIA hacked Venezeulan intelligence, EY data breach, Azure outage, and more.
11 min read
26
Oct
'25

this week in security — october 26 2025 edition

DOJ says Trenchant boss sold secrets to Russian buyer, U.S. 'slipping' on cyber, Microsoft patches exploited Windows bug, AI browser security, and more.
9 min read
25
Oct
'25

AI browsers are a hot mess of security risks

AI-enabled web browsers are putting their users' data, security, and privacy at risk from rudimentary prompt injection attacks.
4 min read
a photo of OpenAI's ChatGPT Atlas browser, with a glitchy effect added to the image.