Network security and application security are sister practices to infosec, focusing on networks and app code, respectively. Strictly speaking, cybersecurity is the broader practice of defending IT assets from attack, and information security is a specific discipline under the cybersecurity umbrella. cybersecurityīecause information technology has become the accepted corporate buzzphrase that means, basically, 'computers and related stuff,' you will sometimes see information security and cybersecurity used interchangeably. The SANS Institute offers a somewhat more expansive definition: Information security refers to the processes and methodologies which are designed and implemented to protect print, electronic, or any other form of confidential, private and sensitive information or data from unauthorized access, use, misuse, disclosure, destruction, modification, or disruption. As knowledge has become one of the 21st century's most important assets, efforts to keep information secure have correspondingly become increasingly important.
You might sometimes see it referred to as data security. Information security, sometimes abbreviated to infosec, is a set of practices intended to keep data secure from unauthorized access or alterations, both when it's being stored and when it's being transmitted from one machine or physical location to another.