IT security pros have never faced more threats, whether it’s from the huge increase in remote work or aggressive nation-state sponsored hackers like those involved in the SolarWinds breach. While there will always be new holes to plug, security vulnerabilities usually stem from the same few causes: unpatched vulnerabilities, misconfigurations or user error, and even the most tech-savvy companies are vulnerable to these mistakes. Here are some of the most common IT security vulnerabilities and how to protect against them. By taking a proactive stance against the most common cyber vulnerabilities and security misconfigurations, you can prevent many cyber attacks from happening.