(Image credit: Future) Norton VPN is running an exclusive deal that sees Tom's Guide and TechRadar readers get their hands on a $30 Amazon gift card with Norton VPN's two-year plans. Norton VPN is a challenger to the best VPNs , and has undergone a serious upgrade in the last year. It's a safe and secure VPN, built by one of the biggest names in cybersecurity. Affordable, yet powerful (Image credit: Norton VPN) Norton VPN is a completely new beast. 18 months ago, it was a fairly mediocre VPN, lacking the features to really challenge established names like NordVPN and Proton VPN. Now, it's a serious challenger to the biggest players, with bags of potential – you can read our Norton VPN review to see what's new. Given its name, it's no surprise that Norton VPN's privacy and security credentials are top notch. It has an audited no-logs policy , and its proprietary protocol, Mimic, has received a security assessment – neither found any major issues.…