![]() ![]() See 'A zero trust approach to network security' below for a closer look at how zero trust security works. Instead, they only gain access to the specific assets they're permitted to use, and they must be reverified every time they access a new resource. When remote users log into a network through ZTNA, they don't gain access to the whole network. ![]() Rather than using a proxy server, ZTNA uses zero-trust access control policies to securely connect remote users. Instead of VPNs, some organizations use zero trust network access (ZTNA). VPNs encrypt a user's traffic, keeping it safe from hackers who might want to intercept their communications. VPNs can help remote workers securely access corporate networks, even through unsecured public wifi connections like those found in coffee shops and airports. When someone uses a VPN, they no longer connect directly to the internet but to a secure server that connects to the internet on their behalf. Some advanced NAC tools can automatically fix non-compliant endpoints.Ī virtual private network (VPN) protects a user's identity by encrypting their data and masking their IP address and location. If a user tries to enter the network on a device with outdated anti-malware software or incorrect configurations, the NAC will deny access. The goal is to keep unsecured or compromised devices from accessing the network. In addition to authenticating users, some NAC solutions can do risk assessments on users' endpoints. RBAC helps prevent data breaches by keeping unauthorized users away from assets they are not permitted to access. In contrast, senior developers could read, write, and push code to production. For example, a junior developer might be able to view and edit code but not push it live. NAC solutions are often used to enforce role-based access control (RBAC) policies, in which users' privileges are based on their job functions. "Authorization" means granting authenticated users permission to access network resources. "Authentication" means verifying that a user is who they claim to be. Network access control (NAC) solutions act like gatekeepers, authenticating and authorizing users to determine who is allowed into the network and what they can do inside. ![]()
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