How Does Network Security Work?To understand What is network security?, it helps to understand that no single solution protects you from a variety of threats. You need multiple layers of security. If one fails, others still stand.Network security is accomplished through hardware and software. The software must be constantly updated and managed to protect you from emerging threats.A network security system usually consists of many components. Ideally, all components work together, which minimizes maintenance and improves security.Network security components often include:Anti-virus and anti-spywareFirewall, to block unauthorized access to your networkIntrusion prevention systems (IPS), to identify fast-spreading threats, such as zero-day or zero-hour attacksVirtual Private Networks (VPNs), to provide secure remote access
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