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.

• Stefan Nicola

Deutsche Telekom AG fell victim to hackers using malware that targets household devices, with hundreds of thousands of customers experiencing technical issues with their phone, internet and TV services.

• Tim Biggs

A newly-found bug in Apple's Safari software causes any iPhone or iPad to slow down and then crash when a specific video file is played in the browser.

• Jonah Engel Bromwich

There are more reasons than ever to understand how to protect your personal information.

• David Ellery

Australian companies caught out by the sale of leaked customer information from offshore call centres may only have themselves to blame, former cyber spy David Irvine suggests.

• Tim Johnson

'The real victor is the US public which is better informed as a result of our work,' Assange wrote. 'It would be unconscionable for WikiLeaks to withhold such an archive from the public during an election.'

• Spandas Lui

Security experts speaking at Australia's Ruxcon 2016 event explain why the weekend's internet problems are likely just the beginning.

• Julia Angwin

'Last stand' on web privacy has fallen away, with search giant now able to pair its ad data with what it knows about you personally.

• Jeremy Wagstaff

Consumer demand for smaller, longer lasting devices is forcing manufacturers to push the technology to the limits, battery experts say.

• Craig Timberg and Elizabeth Dwoskin

A powerful surveillance program that police used for tracking racially charged protests in Baltimore and Ferguson, Missouri, relied on special feeds of user data provided by social networks.

• Cecilia D'Anastasio

Two members of hacking groups Lizard Squad and PoodleCorp were charged last week with 'conspiring to cause damage to protected computers'.

• Andrea Peterson

Yahoo developed specific software that secretly scanned the incoming emails of its hundreds of millions of users on request from US intelligence.

• Hayley Tsukayama
• 1 hr ago

Yahoo has confirmed that at least 500 million user accounts had been affected by a massive breach. Here are some answers to basic questions that you may have about the breach.

Yahoo has announced that the account information of at least 500 million users was stolen by hackers two years ago.

• Andrew Colley

Byron Bay inventor is aiming to revolutionise security in online commerce and possibly other internet transactions with a new one-click payment system.