From small to large companies role of information security analyst includes:

☛ Implementing security measures to protect computer systems, data and networks

☛ Keep himself up-to-date with on the latest intelligence which includes hackers techniques as well

☛ Preventing data loss and service interruptions

☛ Testing of data processing system and performing risk assessments

☛ Installing various security software like firewalls, data encryption and other security measures

☛ Recommending security enhancements and purchases

☛ Planning, testing and implementing network disaster plans

☛ Staff training on information and network security procedures