Lazarus hackers breached dev repeatedly to deploy SIGNBT malwareThe North Korean Lazarus hacking group repeatedly compromised a software vendor using flaws in vulnerable software despite multiple patches and warnings being made available by the developer. [...]
Source: Lazarus hackers breached dev repeatedly to deploy SIGNBT malware (https://www.bleepingcomputer.com/news/security/lazarus-hackers-breached-dev-repeatedly-to-deploy-signbt-malware/)