Dennis Fisher

Dennis Fisher is a journalist with more than 13 years of experience covering information security.

8 articles

botnet

What is a Botnet?

Botnet is the generic name given to any collection of compromised PCs controlled by an attacker remotely — think “virtual robot army.” The individual PCs that are part of a

PURE 3.0

Safe Online Banking With PURE 3.0

Organized cybercriminals have become adept at accessing consumers’ online bank accounts, exploiting either vulnerabilities in the Web-based application you access from your home computer or mobile device, or weak and

tor

What Is Tor?

The privacy and censorship conscious among us are certainly familiar with Tor. Short for “The Onion Router,” Tor is a free tool that keeps a user’s Web browsing private and

keylogger_malware

What is a Keylogger?

Today’s advanced malware tools often comprise several different components, each with a different job description. These programs are more like Swiss army knives rather than individual tools, giving the attacker