Malware

Several websites using the FreeDNS hosting service from NameCheap have had visitors redirected to malicious, cloned sites via an IP address that once hosted command-and-control servers for the Conficker worm.

A security researcher discovered a data dump of 4,000 email password credentials that appear to have been leaked from the porn website lubus.cc.

In what researchers are calling a first, a malvertising campaign that infected thousands of people per day was relying on steganography - the art of hiding code in images - to conceal malware that was delivered to the victims in drive-by fashion.

An analysis of malicious threats tracked by managed security services provider Solutionary reported that ransomware attacks targeting healthcare companies comprised 88 percent of all ransomware attacks.

Ransomware is now the most profitable form of malware primarily because the victims do a poor job of defending themselves, according to a new report by Cisco.

McAfee labs researchers spotted a series of spear phishing attacks using a modified version of the Hackhound password stealer.

The ransomware PowerWare that commandeers Microsoft's PowerShell utility to download and run malicious code, now has a variant that mirrors Locky ransomware.