External Risks are generally something that is uncontrollable by the first party. Wikipedia

Risks that are generally uncontrollable by the first party, or produced by a non-human source and beyond human control Wikidata

Risks that are produced by a non-human source and are beyond human control. They are unexpected but happen regularly enough in a general population to be broadly predictable. Good examples of external risks are natural disasters such as earthquakes and volcanoes. Wiktionary