Kerio Control Firewall was designed to protect medium and small businesses from a comprehensive range of invasive and crippling corporate network threats.
PeerBlock Portable is a tool that allows you to block online communication with advertising, spyware, p2p monitoring, and other servers based on IP addresses. It is also available as an installer.
Use HS Blacklist Check to scan your system for botnet C&C servers linked to Dridex, Emotet (also known as Heodo), TrickBot, QakBot (also called QuakBot/Qbot), and BazarLoader (also referred to as BazarBackdoor).
ZoneAlarm Pro Firewall automatically starts protecting you from malicious web content the moment it's installed on your machine using multiple tools. ZoneAlarm Free Antivirus is also available.