Cryptography Mankind has always felt a need to disguise information, even long before the first computers and calculating machines existed. Since... Security > Cryptography |
High-Availability No matter what service is being performed by a computer system, users must have confidence in how the system operates in order to be... Security > High availability |
Viruses - Introduction to viruses A virus is a small computer program found within the body of another program which, when run, loads itself into the memory and carries... Security > Viruses and threats |
Intrusion detection systems (IDS) An IDS (Intrusion Detection System) is the term for a mechanism which quietly listens to network traffic in order to detect abnormal... Security > Intrusion detection |
Introduction to attacks Any computer connected to a computing network is potentially vulnerable to an attack. An "attack" is the exploitation of a flaw in a... Security > Attacks |
Windows Processes - Introduction To make it more versatile, Microsoft Windows is structured around services (processes) which run in the background. The list of... Security > Windows processes |
Security - Online anonymity There are two ways of identifying a user on the Internet, his e-mail address and his IP address. An e-mail address is a means of... Security > Privacy |
Protection - Introduction to Network Security Network security is a level of guarantee that all the machines in a network are working optimally and the users of these machines only... Security > Protection |
Firewall Each computer that is connected to the Internet (and, more generally, to any computer network) is likely to become a victim of a... Security > Protection |
actmovie - actmovie.exe The process actmovie.exe (ActMovie stands for Active Movie) is a process that corresponds to the application ActiveMovie, a DirectX... Security > Windows processes |
Substitution cipher Substitution cipher involves replacing one or more entities (generally letters) in a message with one or more other entities. There... Security > Cryptography |
Intrusion prevention systems (IPS) The computing media is starting to use the term IPS (Intrusion Prevention System) more and more, as a replacement for "traditional"... Security > Intrusion detection |
Spam Since the invention of the World Wide Web resources have become widespread and the flow of information on the network of networks... Security > Privacy |
Introduction to IT Security As Internet use is developing, more and more companies are opening their information system to their partners and suppliers. Therefore,... Security > Security |
Hoaxes A hoax is an email which disseminates misinformation and encourages the recipient to send this false report to his or her friends,... Security > Viruses and threats |
Assessment security and types of hackers The term "hacker" is often used to refer to a computer pirate. Victims of piracy on computer networks like to think they have been... Security > Attacks |
Fault Tolerance Since it is impossible to totally prevent breakdowns, one solution consists in setting up redundancy mechanisms by duplicating... Security > High availability |
Backup Setting up a redundant architecture ensures that system data will be available but does not protect the data against user-introduced... Security > High availability |
Security - Cookies So what are these strange sweet things that you have surely been offered before by a website. Most of the time, when a web server... Security > Privacy |
Monitoring event logs One of the best ways to detect intrusions is to monitor event logs (sometimes called logs for short). In general, servers store logs... Security > Intrusion detection |
