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Security Policy implementation vary by vendor<br />
Currently the leading NGFW is Paloalto<br />
There are many videos and documentation free in their website<br />
Also there is quite a bit of documentation on the Fuel User Group website - both Paloalto and generic firewall best practices <br />
<br />
If you provide some details of purpose or product we can provide further help
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Security Policy implementation vary by vendor
Currently the leading NGFW is Paloalto
There are many videos and documentation free in their website
Also there is quite a bit of documentation on the Fuel User Group website - both Paloalto and generic firewall best practices

If you provide some details of purpose or product we can provide further help

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The question as phrased is extremely broad and no concise answer can be given. &nbsp;If you can narrow it down to a specific situation or a specific modality, then we can more readily supply a good answer.
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The question as phrased is extremely broad and no concise answer can be given.  If you can narrow it down to a specific situation or a specific modality, then we can more readily supply a good answer.

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Are you referring to hardening guide for OS since you tagged it with OS security? Need more specifics to advice as per experts feedback.
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Are you referring to hardening guide for OS since you tagged it with OS security? Need more specifics to advice as per experts feedback.

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OP should clarify the question instead of deleting it.
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OP should clarify the question instead of deleting it.

PLCITS

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Agree to notes for clarity not deletion
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hi any document or link where explain which security policies apply or create documentation of security policies
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hi any document or link where explain which security policies apply or create documentation of security policies

Security policies

Operating system security (OS security) is the process of ensuring OS integrity, confidentiality and availability. OS security refers to specified steps or measures used to protect the OS from threats, viruses, worms, malware or remote hacker intrusions. OS security encompasses all preventive-control techniques, which safeguard any computer assets capable of being stolen, edited or deleted if OS security is compromised, including authentication, passwords and threats to systems and programs.

OS Security

Network security consists of the policies adopted to prevent and monitor authorized access, misuse, modification, or denial of a computer network and network-accessible resources. Network security involves the authorization of access to data in a network, and covers a variety of computer networks; conducting transactions and communications among businesses, government agencies and individuals. Networks can be private, such as within a company, and others which might be open to public access.

Network Security

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.