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TOKYO, Reuters: A Toshiba Corp. unit said it was hacked by the DarkSide ransomware group, overshadowing an announcement of a strategic review for the Japanese conglomerate under pressure from activist shareholders to seek out suitors.
Toshiba Tec Corp., which makes products such as barcode printers and is valued at $ 2.3 billion, was hacked by DarkSide — the group widely believed to be behind the recent Colonial Pipeline attack, its French subsidiary said.
It added, however, that only a minimal amount of work data had been lost.
“There are around 30 groups within DarkSide that are attempting to hack companies all the time, and they succeeded this time with Toshiba,” said Mitsui Bussan Secure Directions Senior Malware Analyst Takashi Yoshikawa.
Employees accessing company computer systems from home during pandemic lockdowns have made firms more vulnerable to cyber attacks, he added.
Screenshots of DarkSide’s post provided by the cybersecurity firm said more than 740 gigabytes of information was compromised and included passports and other personal information.
Reuters could not access DarkSide’s public-facing website on Friday. Security researchers said DarkSide’s multiple websites had stopped being accessible.
Ransomware attacks have increased in number and amount of demands, with hackers encrypting data and seeking payment in cryptocurrency to unlock it. They increasingly release stolen data as well or threaten to unless they are paid more.
Amid calls from shareholders to explicitly seek offers from potential suitors after dismissing a $ 20 billion take-private bid from CVC Capital this year, Toshiba said it was setting up a strategic review committee and had appointed UBS as financial advisers.The review will be conducted by independent directors and is designed to help the board consider a new business plan to be put forward by management by October.
The CVC offer faced strong opposition within the company. Its plan to retain management was perceived by some as aimed at shielding former CEO Nobuaki Kurumatani from activist shareholders.
At a briefing by the company on Friday, 3D Investment Partners and Farallon Capital Management, its No. 2 and No. 3 shareholders respectively, both criticised Toshiba for appearing reluctant to consider offers to go private.
Chief Executive Satoshi Tsunakawa responded that the company has “no reluctance to consider various proposals to increase corporate value, including going private”. Sources have said other private equity investors such as KKR & Co. Inc. and Bain Capital are interested in Toshiba.
