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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]
Antivirus software came into use, but was updated relatively infrequently. During this time, virus checkers essentially had to check executable files and the boot sectors of floppy disks and hard disks. However, as internet usage became common, viruses began to spread online. [17]
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.
The security status and settings are now displayed in a single main interface. A CPU usage monitor displays the total CPU utilization and Norton's CPU usage in the main interface. Other features include Norton Insight, a whitelisting technology which cuts scanning times by mapping known safe files using information from an online database. [24]
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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 February 2025. Computer program that modifies other programs to replicate itself and spread Hex dump of the Brain virus, generally regarded as the first computer virus for the IBM Personal Computer (IBM PC) and compatibles A computer virus is a type of malware that, when executed, replicates itself by ...