McAfee ESM is described as 'McAfee Enterprise Security Manager delivers intelligent, fast, and accurate security and information (SIEM) and log management'. There are more than 10 alternatives to McAfee ESM, not only websites but also apps for Self-Hosted solutions, Windows and Linux. The best alternative is Qualys Cloud Platform. It's not free, so if you're looking for a free alternative, you could try Castle. Other great sites and apps similar to McAfee ESM are Ignyte Assurance Platform (Paid), Exabeam (Paid), Fortscale (Paid) and FireEye Threat Analytics Platform (Paid).
Qualys, Inc., is the most widely-deployed information security and compliance cloud solution in the world with over 7,700 customers including a majority of the Forbes Global 100 and a majority of the Fortune 100.
Information technology systems and applications produce a continuous stream of event and log details that can reveal suspicious behavior. Threat analytics offers the ability to proactively filter through huge amounts of data and identify real threats.
A comprehensive Security Information & Event Management (SIEM) solution that enables cost-effective compliance and provides advanced security analytics to identify threats and manage risk, so you can protect your business. How Mature Are Your Security Operations?