Ransomware is a type of malicious software (malware) created to block access to files or systems and is often only released after a payment in Digital Currency (e.g Bitcoin) to scammers. You can call this digital blackmail.
This is a fair question for those who are not familiar with this term. A firewall is a network security device that looks at incoming and outgoing network traffic and decides whether to allow or block traffic based on a defined set of security policy rules. It is as simple as that.
Cisco Umbrella provides the first line of defence against the threats on the internet, protecting against malware, phishing, and command and control callbacks wherever your users go. It protects your remote employees even when they are off the VPN. Umbrella provides complete visibility into internet activity across all locations, devices, and users, and blocks threats before they ever reach your network or endpoints.
Network Security is an increasing concern for any Business and is the reason why major Vendors like Cisco are upping their game with technologies like Advanced Malware Protection (AMP). AMP technology now comes with a new tool called Cisco AMP Unity, a cloud service for enterprise network management for inbound and outbound connections.