Malware-pwned laptop gifts cybercriminals Nikkei's Slack • The Register

Japanese media behemoth Nikkei has admitted to a data breach after miscreants slipped into its internal Slack workspace, exposing the personal details of more than 17,000 employees and business partners.

The company blamed the intrusion on malware that infected an employee's device, letting attackers pinch Slack credentials and waltz into its chat system. Once the suspicious activity was spotted, Nikkei said it called in the incident to Japan's Personal Information Protection Commission – even though it may not technically have been obliged to do so under local privacy law.

In total, 17,368 people were caught up in the mess, with names, email addresses, and Slack chat histories potentially exposed. The publisher insisted that "no leakage of information related to sources or reporting act