Breach

Cybernews reports that major Japanese media company Nikkei Inc. which owns leading financial newspapers The Nikkei and the Financial Times has confirmed having its network breached through a hacked employee's Slack account, resulting in the compromise of its business partners' sensitive data, as well as the chat histories of 17,368 people using the messaging platform.

Askul, a Japanese office and household goods retailer, has revealed the compromise of customer and supplier information following a RansomHouse ransomware intrusion last month that purportedly led to the exfiltration of 1.1 TB of data, according to The Record, a news site by cybersecurity firm Recorded Future.

The University of Pennsylvania was claimed to have had data from nearly 1.2 million students, alumni, and donors compromised following the breach of its systems last week, just as the university dismissed hacking email notices from Penn.edu sent to alumni and students on Friday as fake, according to BleepingComputer.

Conduent, a leading U.S. business services provider, had information from more than 10.5 million individuals compromised following a data breach last year, reports BleepingComputer.

Cybernews reports that major U.S. anime and manga publisher Viz Media, which is behind Naruto, Sailor Moon, and Death Note, was claimed to have had more than 250 GB of sensitive data stolen from its systems after compromising the account of its vice president.

Over 300 million records have been compromised in 794 data breach incidents so far this year, while including aggregated datasets increased the number of leaked records on the dark web to hundreds of billions from more than 1,500 breaches, reports Infosecurity Magazine.

Cyberattack on the telecom supply chain compared to May 2021 Colonial pipeline attack.