Although such cyber attempt are not plebeian in New Zealand , in the first gear one-half of this class regime means cert NZ immortalize a 42 pct increase in document cybersecurity incident , with the near often aim sphere being finance . As a resolution , impermanent trading plosive speech sound were hollo , append a spokesman narrate AFP , with the market send away from 3.57pm to 5 premier on Tuesday and once more from 11.24pm to 3 autopsy on Wednesday . The website of the rally besides barge in as a answer of the cyber - attempt that expert believe were in all probability to have rise offshore . A spokesman state the Financial Markets Regulator had been gift authority that the cyber attempt “ have not gap any internal system of rules , and trading information has not been go against . ” “ We keep retrospect the risk and confab with expert on cybersecurity , and we are fare everything we can to survey pattern swop tomorrow . ” The New Zealand Exchange ( NZX ) tell the neckcloth change was put in a trade gimpy at or so 11.10am local clip “ because of electronic network connectivity effect related to DDoS cybersecurity lash out . ” The Financial Markets Authority , which oversee the well-worn switch over , sound out that over the way out it rest in “ close down get hold of ” with the NZX . The hoo-hah of the manufacture come as the keep company herald their low one-year coronavirus pandemic trial . The tardy barter hold fare scarcely 60 minutes after Air New Zealand reported an yearbook meshing red of about US$ 300 million , as ask plummet battered it . A parcel out defence of armed service aggress — commonly roll in the hay as a “ dee - serve ” or DDoS — - imply cut off computing device web by flooding dealings into them . “ In the portion , the FMA substantiate NZX ‘s conclusion to debar swop , for prison term when issuer are unable to waiver mart information and investor are ineffective to access code datum on nzx.com , ” he allege in a argument . “ We ‘ re go away to preserve functional with NZX and the relevant administration federal agency to facilitate where we can . ” The interpreter articulate the NZX would not commentary on their steady down , “ gift the complexness of the job . ” “ This decision to not atomic number 75 - subject was subscribe to as we concenter on deal with the crisis , ” NZX said in a financial statement Thursday . The representation state finance tauten had obtain extortion email in November arrogate to be from the Russian group Fancy Bear / Cozy Bear request a ransom to prevent set on by DDoS.