Cyber security companies help businesses protect their data from attacks by malicious actors such as hackers. The use a series of techniques and software to safeguard systems that are accessed through the internet. These are used to secure data, application software, networks and other devices from attacks.

Some of the types of attacks that these companies protect a business from include phishing (where people are deceived into giving up their passwords), malware, denial of service attacks and ransomware. Aside from protecting data, these companies also ensure that the businesses site does not go down since this can lead to loss of business and customer confidence which can have severe impacts. There has been a significant increase in the volume of cyber attacks as businesses move online and conduct business through the internet and today cyber network security is one of the most important risks facing companies that operate online.