NZ Herald nzherald.co.nz 28 Sep, 2020 02:15 am

Daylight saving blunder: NZX latest glitch not caused by hackers

Daylight saving blunder: NZX latest glitch not caused by hackers
More grief for the local exchange - but this time there's no cyber-crime lords involved.

The NZX came under a sustained DDoS (distributed denial of service) attack over the week from August 28, with the exchange drafting in multinational content delivery network Akamai and the GCSB to beef up its defences.Instead, they unleashed a DDoS (distributed denial of service) attack to send a flood of connection requests to the NZX's website, rendering it inaccessible to regular users.As trading opened this morning, the NZX website was up, but displaying blanks instead of stock prices.Jones says a state actor, or organised crime cyber-gang, would have deployed a ransomware attack that could would have given the attackers control of the NZX's data until it paid up - or spent weeks rebuilding its systems.

Jones says the attackers probably did make a financial demand realised early on that they had no chance of being paid.It was all for nought, however, with the attacks easily repelled.

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