A top secret document reveals New Zealand's surveillance agency spied on candidates vying to be the director-general of the World Trade Organisation (WTO).

Details of people's prescriptions are being fed into an online repository from pharmacies across the country.

The GCSB not only spies on the Solomon Islands using its Waihopai satellite interception base - it also had a secret listening post inside the country, according to documents provided by the United States National Security Agency whistleblower Edward Snow

A decision on whether John Key's deletion of his text messages amounts to a destruction of the country's public records is progressing.

NZ spies targeted the emails and other electronic communications of the aides and confidants of the Prime Minister of the Solomon Islands, a top-secret document says.

Why did the GCSB intercept emails to and from Solomon Island officials? Nicky Hager and Ryan Gallagher report.

Hillary Clinton has attempted to defuse a growing crisis over her controversial use of a private email account while Secretary of State, explaining that she had opted not to use a government email address as a "matter of convenience".

Is it really necessary to look at the contents of personal computers at the country's borders? Clearly Customs is already doing so.

You're still wrong! That's the message from John Key after a former director of the GCSB said the spy agency did carry out 'mass collection' of communications from the Pacific.

There is something breathtaking about the Prime Minister's scattergun pre-emptive denunciations.

John Key worked to undermine the Herald's spying revelations before he knew what they were, writes David Fisher.

'We take our obligations under the Privacy Act seriously" is a common refrain, sadly, observed more in the breach, writes Gehan Gunasekara.

Apple boss Tim Cook's been on tour - saying he too is worried about online privacy.

Exclusive: Flaws in the management of New Zealand's spy networks have been exposed, including problems getting intelligence material to the Prime Minister.

Health authorities could gain an unprecedented picture of how the flu spreads with complex models that reveal how we move among each other.

Twitter said government requests for user data and content removal jumped in the second half of 2014.

The internet has turned into a massive social experiment in which unknown people know everything about you and other people.

Police have warned tenants searching for accommodation to beware of an international property scam as more attempts to dupe renters came to light yesterday.

One of seven men accused of running Megaupload as a piracy enterprise has been arrested in the US, prompting speculation he will testify against Kim Dotcom.

Unless it receives a more serious complaint, the company's only concern can be that it has staff so careless as to leave the lights on in a glass-fronted area.

The age of information-sharing is brilliant, as long as you have no secrets, writes Heather du Plessis-Allan.

Yes, you can have a reasonable expectation of privacy in a publicly visible place, writes privacy law expert Nicole Moreham.

Yet another guest visiting the businessman Kim Dotcom was detained by the Customs Service for hours. Welcome to New Zealand - unless you're here to see Kim Dotcom.

It's being described as a war, an arms race, an unseen struggle where the stakes are being raised and the weapons redefined each minute - the war a faceless cyber-criminal.

Sensitive health documents of four dead patients have been spilled on to a busy Auckland motorway.