A computer worm is a malicious, self replicating software that gets into operating systems via vulnerabilities with the intent of spreading its dangerous code to other computers. Worms work independently and don’t need human action to trigger their behavior. As such, worms are particularly powerful and potentially dangerous as they migrate from one computer to the next on their own. Computer Virus or Worm, What’s … Continue reading What is a Computer Worm?
There has been a lot of buzz as of late regarding DDoS, Distributed (referring to more than one entity) Denial of Service attacks, but do you know what they are or how they work? At the most basic level, DDoS attacks attempt to cause networks to become unavailable by jamming them by two or more bots or people flooding the victim server with bogus requests. … Continue reading What is a DDoS, or a Distributed Denial of Service Attack?
A rootkit is software that essentially covers up for the fact that another program has hacked a computer by disguising files as harmless when, in fact they are potentially dangerous. The virus itself gives the creator admin level access onto a computer’s operating system. A quick breakdown of the word rootkit helps us understand just what the term really means. “Root” is Linux-ese for admin … Continue reading What is a Rootkit?
Spyware is software that “spies” on your computer, collecting information about browsing habits and internet usage. It harvests all kinds of personal data like passwords, usernames and credit card information and then sends it back to a third party who uses that information for their own purposes. The Evolution of Spyware Think of spyware as adware’s twin gone bad. Not that adware was so great … Continue reading What is Spyware?
Ransomware is a kind of malicious software that encrypts or locks your files in exchange for money. Ransomware is a serious threat, one that causes millions of dollars in damages and losses each year. As technology advances, ransomware tactics become more sophisticated and the programs harder to remove and defeat. A Quick Recap in PC Kidnapping History Ransomware first appeared on the scene in 1989 … Continue reading What is Ransomware?
Adware is any software that displays ads to generate revenue for the program’s creator. Adware teeters on the edge of the definition of malware. In some respects, it’s a legitimate answer for developers looking to make some money off of their hard work while allowing the end user to get the service for (almost) free. On the other hand, adware can be misused with alarming … Continue reading What is Adware?