New Zealand’s communications safety bureau has been referred to as in to assist after its inventory trade was hit by cyber assaults for the fourth consecutive day.
The trade didn’t open as deliberate on Friday resulting from so-called “distributed denial of service” (DDoS) assaults.
The $135bn (£102bn) market, which is nearing a document excessive, has mentioned the assaults got here from abroad.
The trade’s web site was overwhelmed by the cyber assaults, forcing it to halt buying and selling.
“I can’t go into far more when it comes to particular particulars aside from to say that we as a authorities are treating this very severely,” Finance Minister Grant Robertson mentioned in a media briefing.
The inventory market operator NZX mentioned its networks had crashed because of the cyber assaults, which originated abroad.
“We’re at present experiencing connectivity points which seem just like these attributable to extreme DDoS assaults from offshore this week,” NZX mentioned after the market didn’t open at 10am Wellington time.
Buying and selling on the trade ultimately resumed three hours later.
DDoS assaults are designed to knock an internet site offline by flooding it with big quantities of requests till it crashes.
Such assaults are comparatively easy in nature and depend on their sheer scale to be efficient.
In November New Zealand cyber-security organisation CertNZ issued an alert that emails had been being despatched to monetary corporations threatening DDoS assaults until a ransom was paid.
The emails claimed to be from a well-known Russian hacking group referred to as Fancy Bear.
However CertNZ mentioned on the time the menace had by no means been carried out, past a 30-minute assault as a scare tactic.
Aside from saying that the assaults had been from abroad, NZX has but to touch upon their supply or whether or not any calls for have been made.
In June, know-how big Amazon mentioned its on-line cloud, which gives the infrastructure on which many web sites rely, had fended off the biggest DDoS assault in historical past.
The disruptions to buying and selling in New Zealand have come at a very dangerous time for buyers as it’s at present in a busy firm earnings season.