Simple Mail Transfer Protocol (SMTP) is a protocol for sending e-mail messages between servers. E-mailing systems use this protocol to send mails over the Internet. SMTP works on the application layer of the TCP/IP or OSI reference model. The SMTP … Continue reading
Static NAT performs a manual translation of one IP address to a different one. Static NAT is typically used to translate destination IP address in packets that reaches to the translation device (like router) for the LAN. In static translation … Continue reading
An HTTP or Hypertext Transfer Protocol is a text-based communication protocol. It is responsible for requesting Web pages from a Web server and sending back the responses to a Web browser. An HTTP uses port 80 for sending and receiving … Continue reading
Drive wiping is the process of overwriting all addressable locations on a disk. According to the Department of Defense (DoD), drive-wiping standard, all addressable locations must be overwritten with a character. In this way, an organization is able to reduce … Continue reading
The CISSP credential is valid for only three years, after which it must be renewed. The credential can be renewed by re-taking the exam; however, the more common method is to report at least 120 Continuing Professional Education (CPE) credits … Continue reading
Keystroke logging is a method of logging and recording user keystrokes. It can be performed with software or hardware devices. Keystroke logging devices can record everything a person types using his keyboard, such as to measure employee’s productivity on certain … Continue reading
Dumpster diving is a term that refers to going through someone’s trash to find out useful or confidential information. Dumpster divers check and separate items from commercial or residential trash to get any information they desire. This information may be … Continue reading
A patent is a set of exclusive rights granted to anyone who invents any new and useful machine, process, composition of matter, etc. A patent enables the inventor to legally enforce his right to exclude others from using his invention.
Blowfish is a symmetric 64-bit block cipher that can support key lengths up to 448 bits. It is included in a large number of cipher suites and encryption products. It was designed in 1993 by Bruce Schneier and is freely … Continue reading
* It demonstrates your working knowledge of information security. * It offers a career differentiator, with enhanced credibility and marketability. * It provides access to valuable resources, such as peer networking and idea exchange. * It allows access to a … Continue reading