A firewall is a type of security device that blocks network traffic to and from unauthorized sites, and allows traffic to authorized sites. Firewalls range from high end devices designed to protect the likes of Amazon and Facebook, down to SOHO (Small Office/Home Office) devices from Linksys. While there is a tremendous range of features … Continue reading 10 Critical Steps to Survive a Ransomware Attack, Step 4: Configure Your Firewall to Filter OUTbound Traffic.