Win7 security has to know those things (2)

        Like McAfee, Symantec, Trend Micro, and other vendors, Windows 7 compatible versions are available, but if you don't want to invest more money, Microsoft also offers free security tools to protect your system. WindowsDefender

Windows firewall and anti-spyware tool is included in the basic installation package in Windows7. You can also download and install Microsoft SecurityEssentials, a free anti-virus product recently released by Microsoft.

5. protection

kernel The kernel is the core operating system, which also makes it a prime target for malware and other attacks. Basically, if an attacker can access or manipulate the kernel of an operating system, they can execute malicious code at a level that other applications and even the operating system itself cannot detect. Microsoft developed "kernel mode protection" to protect the core and ensure that unauthorized access does not occur.

In addition to protecting the kernel, Microsoft launched after Windowsxp also made some other fundamental improvements to protect the operating system. Many attacks are based on the attacker's ability to know the location of a particular function or command that resides in memory, or to perform an attack on files that may only contain data.

Address Space Layer Randomization (ASLR) key operating system functions by randomly distributed in memory, the attacker can stop them if they hesitated to attack from where. Microsoft has also developed Data Execution Prevention (DEP) to prevent files of any type that may contain data or files stored in the data area from executing any type of code.

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