(Steve Huff Beta Beat) Cyber security is national security! At some point in October this year, President Obama signed the slightly creepy-sounding and secret Presidential Policy Directive 20, a source tells The Washington Post. According to the Post, the directive gives the military license to “act more aggressively” when combating cyber-attacks directed at major U.S. networks.

In essence, anyone waging war on the country via the internet is on notice:

The new directive is the most extensive White House effort to date to wrestle with what constitutes an “offensive” and a “defensive” action in the rapidly evolving world of cyberwar and cyberterrorism, where an attack can be launched in milliseconds by unknown assailants utilizing a circuitous route. For the first time, the directive explicitly makes a distinction between network defense and cyber-operations to guide officials charged with making often-rapid decisions when confronted with threats.

Policy Directive 20 is a refresh of a presidential directive signed during the Bush administration and falls in line with the Obama administration’s concerns regarding internet-based threats to the nation’s infrastructure.