An electronic screen shows international currency rates and the NZ markets next to a building on February 7, 2018 in Auckland, New Zealand.
Phil Walter | Getty Images News | Getty Images
Trading was halted on the New Zealand Stock Exchange on Thursday for the third day in a row following a cyber attack earlier in the week.
New Zealand Stock Exchange operator said trading in its cash markets stopped at 11:10 am local time due to network connectivity issues related to this week’s cyber attacks. It then decided not to reopen the NZX main board, the NZX debt market and the Fonterra shareholders’ market for the remainder of the trading day and closed the NZX derivatives market.
“This decision not to reopen has been made while we focus on adjusting to the situation. We will continue to address the threat and work with cybersecurity experts, and we will do everything we can to normal trade tomorrow (August 28). to recreate, “NZX said in a statement on its website.
NZX said on Tuesday that it was experiencing an onslaught of DDoS (distributed denial of service) from abroad by its network service provider, disrupting the last hour of trading in its cash markets. His websites and the branding platform of brands were also affected.
A day later, it said it was experiencing disruptions from a similar attack, which stopped trading at 11:24 a.m. local time until 3 p.m.
DDoS attacks are among the simplest forms of cyber attacks to execute. It involves delivering a heavy stream of information and internet traffic, usually with the help of a network of hacked computers, to overwhelm the systems of a target.
NZX did not immediately respond to a request for comment from CNBC.
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