Probable cause is a legal standard used in cybersecurity and law enforcement, referring to the reasonable grounds or justification for believing that a crime has been, is being, or will be committed. In the context of cybersecurity, probable cause is often required before authorities can obtain a search or seizure warrant for digital evidence, such as computers, servers, or online accounts. This standard protects individuals' privacy rights by ensuring that law enforcement cannot conduct searches or seize property without a justified reason, supported by facts or evidence. Probable cause is determined by a judge or magistrate, based on the information presented by investigators.