CLEAN : White House warns US companies to 'lock digital doors' in face of Russia cyber security threat

The video features a briefing by the Deputy National Security Adviser on cybersecurity threats, particularly from Russia, in response to US and allies' actions. It emphasizes the need for enhanced digital security measures to protect critical infrastructure and discusses strategies to avoid direct military involvement in conflicts, focusing on preventing World War III.

What is the significance of the fact sheet mentioned in the update?

How does the update suggest the United States should avoid direct military involvement?