About Dennis Fisher

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

Ultimate Protection With PURE 3.0

People rely on the Internet today for so much more than they did even five years ago. Whether it’s social media, mobile applications, online banking, shopping, or just renewing yo...

What is a Botnet?

Botnets first came into the consciousness of most of the general public in early 2000 when a Canadian teenager launched a series of distributed denial-of-service attacks against s...
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 c...

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 anonym...
Computer Attack

What is a Man-in-the-Middle Attack?

The goal of most attackers, regardless of how they go about their business, is to steal user data. That could be in small, discrete attacks on individual users or it could be in l...

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 indiv...