Webopedia on Google+Webopedia on TwitterWebopedia on FacebookTech Bytes Blog
Main » TERM » Z »

ZeuS

The most widespread botnet in history, ZeuS is a Trojan horse that infiltrates computers in order to steal data by logging keystrokes and spread copies of itself to other devices via instant messaging and e-mail messages. Computers infected by a ZeuS variant can be controlled by the attacker and monitored for keystrokes in order to gain access to online accounts and other sensitive data. 

More than 50,000 variants of the ZeuS Trojan have been recognized since ZeuS made its first known appearance in 2007. The most prolific period for ZeuS came in 2009 and 2010, with some security reports estimating as many as 3.6 million ZeuS-infected computers in the United States alone during that time.

Several mobile botnet variants of the ZeuS Trojan have surfaced more recently, with some targeting Google Android phones while others attack Blackberry devices, Symbian phones, or Windows Mobile phones. These variants are considered part of the Zitmo family of mobile malware and are designed to steal the mobile transaction authentication numbers that banks use to strengthen security for logging in to online accounts.







TECH RESOURCES FROM OUR PARTNERS
DID YOU KNOW?
13 Best Free Android Apps

From secure messaging to document editing, our top free must-have apps have been rated, reviewed and named the best free Android apps of 2015. Read More »

The Five Generations of Computers

Learn about each of the five generations of computers and major technology developments that have led to the current devices that we use today. Read More »

Cloud Computing Market Leaders, 2015

If not for AWS, Microsoft would dominate the cloud. The race to capture market share will grow ever more fierce in the years ahead. Here's a look... Read More »

QUICK REFERENCE
29 Free Android Apps for Cash-Strapped Students

From wacky alarm clocks to lecture hall tools and after class entertainment, these Android apps are a good fit for a student's life and budget. Read More »

Network Fundamentals Study Guide

A network is a group of two or more computer systems or devices, linked together to share resources, exchange files and electronic communications.... Read More »

Computer Architecture Study Guide

This Webopedia  study guide describes the different parts of a computer system and their relations. Read More »