The Antimalware Service Executable, also known as MsMpEng.exe, is a critical component of Windows Defender that runs in the background to protect your system from malware and other security threats.

The Antimalware Service Executable is a program that runs in the background on your Windows 10/11 PC to protect the computer from viruses and other threats. Sometimes it starts to consume too much ...

Hackers are impersonating IT staff in Microsoft Teams to trick employees into installing malware, giving attackers stealthy access to corporate networks.

VOID#GEIST malware campaign delivers XWorm, AsyncRAT, and Xeno RAT using batch scripts, Python loaders, and explorer.exe ...

I just noticed on my mom's computer that some "MsMpEng.exe" process (labeled "Antimalware Service Executable" and located under "C Program Files\Microsoft Security Client\") is consuming 100% of CPU.

Something else to worry about.

This is an undesirable program. This file has been identified as a program that is undesirable to have running on your computer. This consists of programs that are misleading, harmful, or undesirable.

A China-linked advanced persistent threat actor tracked as UAT-9244 has been targeting telecommunication service providers in South America since 2024, compromising Windows, Linux, and network-edge ...

There are two common factors that can cause Antimalware Service Executable to take up too much CPU resources, from its real time feature and Full scan feature. Real time protection Feature is ...