Computer Architecture, Main Memory, and the CISSP Exam
Main memory is the part of the computer that stores programs, instructions, and data. The two basic types of physical memory are DRAM (Dynamic RAM) and SRAM (Static RAM). More ...
Has Malware Turned Off Your PC's User Account Control?
The User Account Control prevents software from installing or changes being made to a PC without the user's permission. Unfortunately hackers have used Windows bugs and vulnerabilities to turn off the User Account Control. Use the steps in this article to make sure the User Account Control on your PC is not turned off. More ...
Beginner's Guide to Computer Forensics
Computer forensics is the practice of collecting, analysing and reporting on digital information. It can be used in the detection and prevention of crime and in any dispute where evidence is stored digitally. More ...
Avoid the Indigestion of Cookies
You may have heard of cookies, a cute name for a tiny piece of code that is stored on your computer when you visit some websites. In most cases, cookies are harmless, but more aggresive companies use them to track who you are and where you go. This has obvious privacy concerns. More ...
The Seven Most Common Methods of Cyber Attacks
Cyber attacks, which range from stealing individual or corporate data to creating multimillion-dollar scams, are reported with increasing frequency. Cyber thieves either secretly assume control of the user's system or steal the user's credentials. Let's take a look at the seven most common ways an attacker makes his way into a system. More ...
What is 2-Factor Authentication?
2-Factor Authentication is when you are required to use two types of identification to log into a web site or open your email. Normally the first factor is a password. More ...
Smart Card
Some smart cards contain an embedded microprocessor which can be programed with applications. Some smart cards have electrical contacts, the microprocessor is under a gold contact pad on one side of the card. Many cards are contactless and use radio-frequency to operate. More ...
Computer Technician's Guide to Biometric Security Devices
A biometric security device uses biological identifiers that are unique to individuals to allow access to a computer or other electronic device. Some unique biological identifiers are voice authentication, the iris of your eye, even face recognition. More ...
What is Riskware or Grayware?
Riskware are computer programs that possess features that have the potential to be dangerous. Riskware is usually classified based on its function or behavior. The following are the common types of riskware: Spyware, Adware, Hacker tools, Joke. More ...
How to Remove Virus Without Internet Access
If you suspect that your PC has a virus, you can download an antivirus program to eliminate the virus. But what if a virus is preventing your PC from accessing the Intenet? In that case you'll need to use a PC that does have internet access to download this free Portable virus remover. More ...
Computer Architecture, Hardware domain of the CISSP Exam
This article provides a review of the Computer Architecture, Hardware domain of the CISSP (Certified Information Systems Security Professional) exam. More ...
PC Chassis Intrusion Detection
An unauthorized person might open a PC case to temporarily remove a hard drive to copy its contents, or to reset the system's password. Newer desktop PCs have a sensor located inside their case that detects when the case cover is removed and sends a signal to the BIOS. More ...
Turn On Your Browser's Phishing Filter
You click on a link in an email that takes you to your bank's website where you enter your password and account information. Unfortunately, the email and the very convincing looking webpage was a fake. Your bank account was cleaned out and your identity was stolen. More ...
