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  2. Microsoft Defender Antivirus - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Defender_Antivirus

    The MsmpEngine of Microsoft Defender in recent versions of Windows was found to be using high amounts of system resources, especially CPU Resources when Real-time protection and scheduled scan is configured to be turned on. [81] This issue is more apparent in PCs with Intel CPUs. [82]

  3. Executable-space protection - Wikipedia

    en.wikipedia.org/wiki/Executable-space_protection

    In computer security, executable-space protection marks memory regions as non-executable, such that an attempt to execute machine code in these regions will cause an exception. It makes use of hardware features such as the NX bit (no-execute bit), or in some cases software emulation of those features.

  4. Antivirus software - Wikipedia

    en.wikipedia.org/wiki/Antivirus_software

    ClamTk, an open-source antivirus based on the ClamAV antivirus engine, was originally developed by Tomasz Kojm in 2001.. Antivirus software (abbreviated to AV software), also known as anti-malware, is a computer program used to prevent, detect, and remove malware.

  5. Memory protection - Wikipedia

    en.wikipedia.org/wiki/Memory_protection

    Memory protection is a way to control memory access rights on a computer, and is a part of most modern instruction set architectures and operating systems.The main purpose of memory protection is to prevent a process from accessing memory that has not been allocated to it.

  6. EICAR test file - Wikipedia

    en.wikipedia.org/wiki/EICAR_test_file

    The file is a text file of between 68 and 128 bytes [6] that is a legitimate .com executable file (plain x86 machine code) that can be run by MS-DOS, some work-alikes, and its successors OS/2 and Windows (except for 64-bit due to 16-bit limitations). The EICAR test file will print "EICAR-STANDARD-ANTIVIRUS-TEST-FILE!"

  7. Computer performance - Wikipedia

    en.wikipedia.org/wiki/Computer_performance

    Response time is the total amount of time it takes to respond to a request for service. In computing, that service can be any unit of work from a simple disk IO to loading a complex web page. The response time is the sum of three numbers: [3] Service time - How long it takes to do the work requested.