What is a Proxy Server? How They Work + Security Risks | UpGuard

This report is a comprehensive primer on proxy servers, explaining their operation, major categories (forward/reverse, anonymity levels, protocol-specific, access, and IP-origin proxies), typical uses, benefits (anonymity, security controls, filtering, caching, load balancing), and risks (lack of encryption, data logging, limited privacy, performance variability). It contrasts proxies with VPNs to clarify security and scope differences, outlines where each is appropriate, provides high-level configuration pointers for common operating systems and browsers, and concludes with FAQs to guide safe and effective use.