ICSA Labs on Twitter: "Zyxel ZyWALL Series retains @ICSALabs #Firewall Certification following #cybersecurity testing of the USG FLEX 200. Congratulations @ZyxelNews! The report is at https://t.co/5wMn8eVXF0 #infosecurity #CISO https://t.co/WDdoWsf5v9 ...