When comparing Microsoft Security Essentials vs FortiClient 5.0, the Slant community recommends Microsoft Security Essentials for most people. In the question“What are the best free anti-viruses for Windows?” Microsoft Security Essentials is ranked 4th while FortiClient 5.0 is ranked 15th. The most important reason people chose Microsoft Security Essentials is:
MSE doesn't seem too resource intensive
Ranked in these QuestionsQuestion Ranking
Pros
Pro Performance
MSE doesn't seem too resource intensive
Pro Simple and Silent
Does the job without distracting you.
Pro Less prone to false positives compared to other solutions
Frequent false positives in themselves can reduce security
Pro Ease of Use
Pro Accuracy
Pro Best known for it's FortiGate network security appliance
Detects phishing easily, local malware blocking test, etc. Fortinet is best known for its FortiGate network security appliance and other enterprise-level network security products. A local client running on the company's desktops communicates with the FortiGate device for fully managed security. It turns out that this client, FortiClient 5.0, can function on its own as an effective and free antivirus with some interesting bonus features.
Cons
Con Used as non-competitive baseline since 2013
All except one tested antivirus scores above Security Essentials.