Information security is the process of protecting information. Many businesses are solely based on information stored in computers. Personal staff details, client lists, salaries, bank account details, marketing and sales information may all be stored on a database.Information security systems need to be implemented to protect this information.

Information Security Picture

Most people, when they hear the term “information security”, usually focus on single events like website hacking, procuring credit card details, email viruses or the like. Most people immediately think of some incident in which they themselves were the victim.There are three letters to remember when thinking of information security; they are C I A,CIA stands for Confidentiality, Integrity and Availability. You can learn more by getting a Masters Degree In Information Security
Can you guarantee that your confidential information will remain confidential or is it open to compromise by unauthorized persons gaining access to it? This access does not have to be deliberate or malicious, it could occur accidentally because you have provided insufficient control over its access. Regardless of the intent, the impact can be just as devastating to a business.The CIA principles should guide your thinking about information security. Remember that a security breach need not be a malicious act; it could be as innocent and simple as a power outage or a failure to set network access privileges correctly, or it could be the total loss of all your facilities through a disastrous event, natural or unnatural.
Companies are vulnerable to many rapidly evolving threats that stand to bring even the most conscientious companies to a screeching halt: Internet worms and viruses, phishing, spam and hackers.The rate of change in the information security arena is astounding; not only are the threats themselves evolving at lightning speed, but the roles of those in charge of information security are, too. Companies that are doing the very best job of tending to information security needs experienced less downtime and fewer financial losses despite more frequent -- and more severe – attacks.
Another area of Information Security is communication and operations management. Communication and operations management encompass such tasks as ensuring that no one person in an organization has the ability to commit and cover up a crime, making sure that systems that are being disposed of are being disposed in a secure manner. While it is easy to overlook some of these tasks, doing so can create large security holes in an organization.
Access control is another core component of Information Security. Access control is responsible for following only authorized users to have access to your organization’s system and also for limiting what access an authorized user does have.
In addition to keeping our systems secure from attackers, we also need to keep our systems running in the event of a disaster – natural or otherwise. This becomes another facet of Information Security Masters Degree, and is often called business continuity planning. All these phases are equally important, because when it comes to threats to an organization, a breakdown in any of the phases of Information Security can present a gaping hole to the attacker.