Infostealer malware on the endpoints of 15+ Telefónica employees gave the Hellcat ransomware group credentials into the company's internal Jira ticketing system. Social-engineering escalated the access to SSH. The group did not extort — it publicly published 2.3 GB including 24,000 employee emails, 470,000 internal Jira tickets, and 5,000 internal documents.
- Victim
- Telefónica
- Records
- 500.0K
A threat cluster tracked as UNC5537 / ShinyHunters used credentials harvested by infostealer malware to log into ~160 Snowflake customer tenants that lacked MFA. Victims included AT&T, Ticketmaster, Santander, LendingTree, Advance Auto Parts, Neiman Marcus, and Bausch Health. Ticketmaster alone exposed data for ~560 million users.
- Victim
- Snowflake customer tenants (~160 organisations: AT&T, Ticketmaster, Santander, LendingTree, Advance Auto Parts, Neiman Marcus, Bausch Health, et al.)
- Records
- 560.0M
A North Korean ransomware worm that exploited the EternalBlue SMB vulnerability to spread to ~200,000 systems across 150 countries in 24 hours. Paralysed the U.K.'s NHS and crippled manufacturing globally.
- Victim
- ~200,000 organizations worldwide (UK NHS, Telefónica, Renault, Deutsche Bahn, Honda et al.)
- Loss
- $6.00B