Best cloud firewall in 2020: Web Application Firewalls (WAF) to protect your business
By Tech Radar
AWS WAF
"Amazon's cloud services firewall"
Sophos XG Firewall
"Dedicated cloud security"
Akamai Kona Site Defender
"Akamai’s firewall and DDoS protection"
Imperva WAF
"Imperva is a digital swiss army knife of security tools"