System security is the protection of your data from external threats like viruses, worms, or hackers. Any anti-virus software and firewalls can provide this protection. Enterprise servers, which store sensitive data for the company, will find this very important.
Network security, on the other hand is about protecting data as it travels from one computer to the next. Hackers can intercept the data and read any sensitive information. This data can also be altered by hackers before it reaches its destination. Hackers can also modify the data while it is traveling.
For a solid understanding of network security, you need to be familiar with these terms:
1. Confidentiality refers to the confidentiality of data being sent. This means that you must use some method to send this data. Encryption is the most popular method. This method encrypts data before it is sent. This means that hackers cannot intercept this data Sophos Panama
2. Authentication: Make one attempt to access restricted resources, such as your email account. Your account cannot be accessed by anyone. Only the account holder can access it. Before accessing such a resource, the user must first provide his credentials (username/password) to the server. This is known as authentication. Before a server can give the requested item to a person, he must first identify him.
3. Integrity is the ability to send data without modification. Imagine that someone intercepts your data while you're sending it. They modify it, then resend it. This attack can be stopped by appending bits to the data. These bits may also be encrypted. These bits must be verified by the receiver before it is considered correct.
There are many algorithms that can be used to implement each of the techniques. An example of an algorithm called DES is used for encrypting data before it is sent. To understand network security you don't need to know every algorithm. Just have a look at what each one does.
