what is internet security?

what is internet security?
what is internet security?

what is internet security?
internet security,
Network security is a complicated subject,historically only tackled by well-trained and experienced experts.However,as more and more people become 'wired',an increasing number of people
need to understand the basics of security in a networked world.This document was written with the basic computer user and information systems manager in mind,explaining the concepts needed to read through the hype in the marketplace and understand risks and how to deal with them.
Network Security is not a new discipline; every year we see research,technologies ,products ,laws ,protocol ,standards etc
emerging .Traditionally,Network Security has been perceived as a hindrance for the adoption of technologies in the enterprise,and this mindset is a complex issue to overcome.To achieve a truly secure environment,many layers of protection are required.As networks have grown exponentially,so have the security threats to the enterprise both internally and externally.Besides the
technological challenges,there is also the daunting task of ensuring that all employees understand the threats posed by non-adherence to set guidelines.Enterprises today,in spite of understanding the implications of security,fail to undertake fundamental exercises like identifying their assets and connections or assessment of basic vulnerability.Besides these issues,many organizations lack an IT security policy and even in the more
structured organizations,which have policies,consistent enforcement across the organization often remains an issue.
Some history of networking is included,as well as an introduction to TCP/IP and internetworking .We go on to consider risk management,network threats,firewalls,and more special-purpose secure networking devices.
Network Security and Firewalls is a two-day course designed to how to secure networks from unauthorized activity.learn about establishing an effective security policy,different types of hacker activities,the hacker's mind-set,and preventing and managing hacker penetration.also about authentication procedures,encryption standards and implementations,ports and protocols that hackers manipulate,and how to engage in proactive detection and response/reporting methods.
Implement e-business solutions security policies; identify security threats and develop countermeasures using firewall systems and attack-recognition.

网络防火墙

网络安全