Immigration New Zealand has admitted that email addresses mistakenly entered into the wrong field were visible to more than 200 people.
Labour MP Darien Fenton today accused Immigration of a privacy breach after managers last week sent two emails exposing individual email addresses to an open list of more than 200 advisers, lawyers and individuals.
It follows the Government ordering the Earthquake Commission (EQC) to shut down all its external email systems after several privacy breaches there.
Fenton said the department held a lot of personal information about its clients.
"If the Government can't even get the basics right like protecting the personal email addresses of Immigration NZ clients and stakeholders, how can the public have confidence that their privacy is being protected?"
In a statement, Immigration NZ said the addresses were entered into the 'cc' instead of 'bcc' field.No personal details were released apart from the visible email addresses, many of which are publicly available.
The email contained updates on matters relating to immigration advice.
"Staff will be issued a reminder about the protocol for sending group emails and an apology will be sent to those affected."
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