SafeToOpen Online Security by SafeToOpen is a browser extension designed to protect users against scams, viruses, and phishing web pages. SafeToOpen Online Security operates in real-time to identify zero-day phishing web pages, distinguishing itself from other security solutions. It analyzes web pages that request sensitive information such as passwords and bank account details, but does not analyze commonly used websites like Facebook, LinkedIn, Twitter, Google, Gmail, and YouTube.