The primary concern addressed in security research is how a free service sustains its infrastructure. Technical assessments from Mozilla and Surfshark point to several critical risks:

Free tiers typically suffer from slower connection speeds and limited server options compared to paid counterparts. Evaluating AmanVPN Specifically

Identify if they use ads, premium upsells, or data sharing to fund the "free" version.

According to experts at Cloudflare , VPNs use protocols like IPsec or SSL/TLS to encode data, ensuring it remains unreadable to intercepted parties.