Based on our record, Ossec seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I'd take it one step further and install OSSEC as well. It can be configured to run as a local daemon and report suspicious activity, and also intervene. So if somebody is brute-forcing the login on your web page, it'll create a burst of 401s which OSSEC will detect in the logs and block the offender for X minutes/hours. Source: over 2 years ago
Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
snort - Snort is a free and open source network intrusion prevention system.
Symantec Cloud Workload Protection - Symantec Cloud Workload Protection enables business agility and cost savings by automating security for public cloud workloads. Visit Symantec to learn more.
McAfee Network Security Platform - McAfee Network Security Platform guards all your network-connected devices from zero-day and other attacks, with a cost-effective network intrusion prevention system.
Google Cloud Platform Security Overview - Cloud Workload Protection Platforms
AIDE - AIDE (Advanced Intrusion Detection Environment) is a file and directory integrity checker.