Attacks on stock exchanges could lead to an array of legal disputes

The distributed denial of service attack on the New Zealand stock exchange highlights national financial infrastructure as a growing target for cyber criminals.

The New Zealand stock exchange’s (NZX) main website last week was once again taken down in a cyber assault.

The exchange had already suffered an unusually powerful and persistent distributed denial of service (DDoS) attack in the last week of August. Over a span of four days, this interrupted trading for hours at a time.

Even though the attackers did not corrupt the exchange’s trading systems, they prevented it from displaying regulatory news updates, which investors require access to if they are to make informed decisions.

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