Obsidian has completed a second independent audit by the security firm @cure53.
The report finds that incremental updates since Obsidian 1.5.3 maintained the highest degree of attention to security, and that no new vulnerabilities were introduced.
https://obsidian.md/blog/cure53-second-client-audit/
Particular emphasis was placed on hardening the new Web viewer plugin during its development process, to ensure it would pass our strict security standards.