Jones Day hit by cyberattack linked to group targeting law firms

Jones Day has suffered a cyber security attack after hackers accessed files linked to a number of client matters.

In a statement, the US firm said it had experienced a phishing attack in which “an unauthorised third party accessed a limited number of dated files for 10 clients”. It said that all affected clients have been notified.

The incident is understood to be linked to the Silent Ransom Group, a cybercrime group that has been targeting law firms in recent years.

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