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Friday, 27 March 2020 06:13

Global insurer Chubb hit by Maze ransomware: claim Featured

Global insurer Chubb hit by Maze ransomware: claim Pixabay

Global insurance provider Chubb appears to have been hit by the Maze ransomware, which attacks Windows systems, the data breach monitoring and prevention service Under the Breach says, adding that the attackers have not yet provided any proof of the attack.

But Chubb has been listed on the attackers' website, the first step they follow after a successful attack.

According to its own website, Chubb had more than US$177 billion (A$291 billion) in assets and reported US$40 billion of gross premiums in 2019. The company says it has offices in Zurich, New York, London, Paris and other locations, and has more than 30,000 employees.

iTWire contacted Chubb's Australian office for comment. A spokesperson responded: "We are currently investigating a computer security incident that may involve unauthorised access to data held by a third-party service provider.

"We are working with law enforcement and a leading cyber security firm as part of our investigation.

"We have no evidence that the incident affected Chubb's network. Our network remains fully operational and we continue to service all policyholder needs, including claims. Securing the data entrusted to Chubb is a top priority for us. We will provide further information as appropriate."

There is no statement on the company's website to indicate that an attack has taken place.

Like every type of Windows ransomware attack, Maze encrypts files on a Windows system and then displays a ransom note to the user.

But an additional tool in its armour is that Maze exfiltrates data from its victims and then uses that data to pressure the victim to accede to its ransom demand.

Under the Breach told iTWire that the attackers had tagged the Chubb chief executive Evan Greenberg, chief operating officer John Keogh, and vice-chairman John Lupica in the note on their website, adding that this was an indication that the main website,, had been attacked.

A screenshot from the Maze website was tweeted by Under the Breach at about 4am AEDT on Friday. No date has been given for the attack, merely that it took place this month.

This is the second Maze attack that iTWire has reported in the last fortnight. Last Thursday, a report said the Maze group had attacked Australian freight forwarding and logistics firm Henning Harders.

A follow-up to that on Monday said the attackers were pressuring the company to pay up by publishing some data which had been exfiltrated after the attack.

A Henning Harders spokesperson told iTWire on Monday: "It does not follow that because a company remains fully operational despite a cyber incident that a ransom has been paid."


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Sam Varghese

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Sam Varghese has been writing for iTWire since 2006, a year after the site came into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.



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