Fortinet's FortiGuard Threat Landscape Research Team Report
Fortinet announced the findings of its FortiGuard threat landscape research for the period of January 1 − March 31, 2013. FortiGuard Labs observed that the Bitcoin mining botnet, ZeroAccess, was the No. 1 threat this quarter as reported by FortiGate devices worldwide.
The report also reveals analysis of the South Korea cyberattacks and two new Android adware variants that have climbed the watch list in the last 90 days.
"In the first quarter of 2013, we have seen owners of the ZeroAccess botnet maintain and expand the number of bots under its control," said Richard Henderson, security strategist and threat researcher for Fortinet's FortiGuard Labs.
"In the last 90 days, the owners of ZeroAccess have sent their infected hosts 20 software updates."
Based on reporting from FortiGate devices worldwide, ZeroAccess is the number one botnet threat the team is seeing. ZeroAccess is used primarily for click fraud and Bitcoin mining. The value of the decentralized, open source-based digital currency continues to skyrocket, which likely means the amount of money being made by ZeroAccess is in the millions of dollars or more.
"As Bitcoin's popularity and value increases, we may see other botnet owners attempt to utilize their botnets in similar fashions or to disrupt the Bitcoin market," Henderson continued.
In March and into April, Mt. …