An antitrust complaint is a formal allegation submitted to regulatory authorities claiming that a company is engaging in anti-competitive practices, such as monopolization, price fixing, or unfair business tactics. These complaints are typically filed by individuals, organizations, or competitors who believe that a company's actions are violating antitrust or competition laws designed to protect market fairness and consumer interests. Upon receiving an antitrust complaint, authorities may investigate the company’s conduct and, if necessary, pursue legal action to restore competitive conditions. In the context of cybersecurity, antitrust complaints can arise when large technology firms are accused of using their market dominance to stifle competition in areas like software, security services, or data access.