• Liam Mannix

Thought you had dodged a speeding fine? You haven't been so lucky.

• Jack Stubbs and Matthias Williams

Hijacking the servers of a company which makes a popular accounting program, hackers sent false software updates to around a million computers, which kicked off the massive worldwide spread of 'NotPetya' last week. Experts now believe the apparent mass ransom attempt was merely a cover for something more nefarious, and Ukrainian authorities are scrambling to untangle it.

• Tim Biggs

A confronting report shows that a vendor on the dark web can pull up the full Medicare card details of any Australian on request — and is selling them for around $30 each — indicating a security hole somewhere in the health system.

Australia's cyber intelligence agency will be given the power to launch offensive operations to shut down foreign criminal networks, Prime Minister Malcolm Turnbull has announced.

Increasingly sophisticated ransomware assaults now have cybersecurity experts questioning what the attackers are truly after. Is it money? Mayhem? Delivering a political message?

• Tim Biggs

Security experts are warning that a quick-spreading new ransomware attack may have more tricks up its sleeve than the previous WannaCry software that crippled thousands of computers worldwide last month.

• Joel Schectman, Dustin Volz and Jack Stubbs

Western technology companies, including Cisco, IBM and SAP, are acceding to demands by Moscow for access to closely guarded product security secrets in order to sell their products in Russia.

• Finbar O'Mallon

The government departments are using services from tech company that helped FBI hack smartphones.

• Dustin Volz and Julia Edwards Ainsley

A total of 21 US state election systems were breached as part of Russian campaign, Congress hears, while a leaked video of Donald Trump discussing sexual conquests served to distract the US public.

• Tony Yoo

Westpac customers have been targeted by criminals in a malicious email campaign this week that attempts to collect their personal and banking information.

• COMMENT
• Leonid Bershidsky

Trump's next Twitter misfire could be deadly serious if his account isn't better protected.

• 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.