In just the past few months, hackers have paralysed shipping at some of Australia’s largest ports wreaked havoc on Las Vegas casinos brought about a shortage of disinfecting wipes and garbage bags at Clorox Co and disrupted clearance of some Treasury market trades. “Bad actors are doing damage in a much shorter amount of time,” he said. Arora singled out ransomware attacks in particular as increasing in frequency and severity during a recent call with investors.

“Activity is at an all-time high,” said Nikesh Arora, chief executive officer of network security company Palo Alto Networks Inc. Payments made to hackers who hold systems hostage for ransom increased by almost half through September, according to blockchain analytics firm Chainalysis Inc, totaling almost US$500mil (RM2.34bil) in payouts. Last year, such attacks declined from the year before, the company said.Īnd the breaches are costing victims more money. Widely disruptive, large-scale hacks are surging.Īfter a lull in 2022, ransomware attacks on high-value targets such as big companies, banks, hospitals or government agencies, have seen a “massive uptick” this year, rising 51% through late November, according to cybersecurity firm Crowdstrike Holdings Inc.

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