Pentester is described as 'In today's digital landscape, your online presence is constantly at risk. Cybercriminals are becoming increasingly sophisticated, and the stakes have never been higher. Your sensitive information, client data, and even your reputation are on the line' and is an website in the network & admin category. There are more than 25 alternatives to Pentester, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Self-Hosted apps. The best Pentester alternative is Have I Been Pwned, which is free. Other great sites and apps similar to Pentester are Data Breach Observatory, Mozilla Monitor, Intelligence X and LeakCheck.