What is security?

- Let's begin our examination of web security … with a simple definition. … Webster's Dictionary defines security … as the state of being protected or safe from harm, … things done to make people or places safe, … measures taken to guard against … espionage or sabotage, crime, attack, or escape. … So security is both the state of being protected … and the measures we take to protect. … This serves as a good general definition of security. … In this course, we'll be focused … on the security of a specific industry, web development. … What makes a website secure? … When the web server and all of its applications … are protected and safe from harm. … Websites require special consideration. … They're high profile. … In fact, they're the main public face of a company. … They represent the brand. … Websites allow organizations to interact with users, … and in some cases, provide a major source of revenue. … It's not uncommon for a website to be the whole company. … Users need to be able to trust that websites …