• Patricia Hurtado

Target has agreed to pay $US18.5 million ($24.78 million) to settle investigations by dozens of US states over a 2013 hack of its database, in which the personal information of millions of customers was stolen.

• Ju-min Park and James Pearson

North Korea's main spy agency has a special cell called Unit 180 that is likely to have launched some of its most daring and successful cyber attacks, according to defectors, officials and internet security experts.

• Kieran Gair

People who share or post sexually explicit images of others without their consent will face tough new penalties if a national proposal to combat revenge porn is passed into law.

With the clock ticking on whether a global hacking attack would wipe out his data, Bolton Jiang had no intention of paying a 21st-century ransom.

• Jemima Kelly

Bitcoin is well-entrenched as the preferred payment for cybercriminals like the WannaCry hackers who have hit more than 300,000 computers over the past week, but cryptocurrencies offering more anonymity are threatening to displace it.

• Joel Schectman

A bill proposed in US Congress would require the National Security Agency to inform representatives of other US government agencies about security holes it finds in software like the one that allowed the recent ransomware attacks.

• Kirsty Needham

North Korea's state newspaper has acknowledged the "unprecedented attack" of the WannaCry ransomware.

Researchers say some code in an earlier version of the WannaCry also appeared in programs used by the Lazarus Group.

• Guy Faulconbridge and Dustin Volz

The WannaCrypt "ransomware" cyber attack spread more slowly on Monday.

• Tom McIlroy

Cyber Security Minister Dan Tehan says the government can't rule out vulnerabilities to cyber threats.

• Tim Biggs

In a matter of days, a new form of ransomware known as WannaCry (or WannaCrypt) has crippled thousands of computers and locked up essential services including hospitals in Britain, FedEx in the US and Telefonica in Spain.

• ANALYSIS
• Brian Krebs

Very few malware writers make much money and yet they are responsible for perpetuating a global crime machine.

Security experts are warning that the global cyberattack that began on Friday is likely to be magnified.

• Melissa Cunningham, Michael Koziol

A global cyber attack leveraging hacking tools that has struck computers across Europe and Asia is believed to have infected its first Australian business, the federal government says.

• Rick Noack

A researcher may have found a "kill switch" for the ransomware crippling computers worldwide.

• Costas Pitas and Alistair Smout

A global cyber attack leveraging hacking tools believed to have been developed by the US National Security Agency has infected tens of thousands of computers in nearly 100 countries, disrupting Britain's health system and global shipper FedEx.

• Hayley Tsukayama

The massive international cyberattack overnight may give you the best reason of all to hit "update" when prompted.

• Michael Gorey

A national survey of how organisations handle privacy shows that 91 per cent believe they could be more transparent with consumers about how their information is used.

• NICOLE PERLROTH

The security weaknesses of vendors are increasingly the weaknesses of their clients, no matter how fortified their own networks.