• COMMENT
• Bruce Schneier

While we know intellectually that everything we do online is recorded, we often still act as though our conversations are ephemeral.

• Craig Timberg

Aside from the US, many other advanced nations such as China, Russia, Britain and Israel have extremely sophisticated tools for digital spying.

• ANALYSIS
• Craig Timberg, Ellen Nakashima and Elizabeth Dwoskin

The CIA can crack and take control of iPhones, smart TVs and connected cars worldwide, WikiLeaks alleges.

• Michael Gorey

Australians now have some comfort they will at least be notified if there's a massive leak of online personal data and many companies are expected to ramp up cyber security after federal parliament passed mandatory breach reporting laws.

• Kimiko de Freytas-Tamura

Cayla is a blond, bright-eyed doll that chatters about horses and hobbies. She plays games and accurately answers questions about the world at large. She could also be eavesdropping on your child.

• Hayley Tsukayama

TV maker Vizio has been accused of secretly collecting - and selling - data about its customers' locations, demographics and viewing habits.

• Lifehacker Staff

Free Wi-Fi is a windfall, but you do have to care about security when you're out and about. Here's how to surf safely, on any device.

• Hayley Tsukayama

Hubbub over the security of the White House's accounts is a good reminder for all Twitter users to take a spin through their settings.

• Spandas Lui

Chinese app Meitu has recently taken off in English-speaking countries, and your social feed may be filled with images of your friends' faces contorted into an anime style. But security researchers are warning the app is doing far more making your selfies cute.

• Adam Turner

After a string of online security breaches, Australians are wary of storing their credit card details online and mistrust local retailers more than tech giants Apple and Google.

• Tim Biggs

We've all heard the warnings about passwords — use a variety of character types, make it random, use a password manager — but many of us, it seems, still aren't listening.

• Steve Lohr

Data gathered in those immense pools of information that are at the heart of everything from artificial intelligence to online shopping recommendations is increasingly a focus of technology competition.

• Daniel Burdon

The University of Canberra has again refused to force all users of its computer systems to regularly change their passwords, ignoring recommendations the ACT Auditor-General has urged be taken on at the institution since 2006.

• Elizabeth Weise

Ransomware is a growing problem. It's estimated to have affected tens of thousands of Americans in 2016, and according to the FBI, is on track to make nearly $US1 billion a year for the criminals behind it.

Yahoo has identified a new system breach that occurred in August 2013 and involved data associated with more than one billion user accounts.

• Cynthia Karena

Do you want to see live-stream footage of everyone who comes to your door? If so, then it may be worth spending $299 on a video doorbell, made by US company Ring, which has a camera with night vision and two-way audio.

• EXCLUSIVE
• Eamonn Duff

A Sydney father unwittingly became a major organised crime suspect after a police officer created a false intelligence report in his name.

• Esther Han

Don't get too excited by a cut-price deal to rent a cool holiday house on Airbnb. Here are ways to avoid the scammers.

• IN DEPTH
• Nassim Khadem

Cyber attacks against Australian agencies, businesses and individuals are on the rise, but our nation still lacks the capability to defend.