Malicious advertisements on domains belonging to Disney, Facebook, The Guardian newspaper and others are leading people to malware that encrypts a computer's files until a ransom is paid, Cisco Systems has found.
The ransomware model is increasingly being adopted by cybercriminals who target mobile users, one of their latest creations being able to encrypt files stored on the SD memory cards of Android devices.
Searching for football stars Cristiano Ronaldo and Lionel Messi during the 2014 FIFA World Cup in Brazil will be risky, according to McAfee.
Customers of storage and networking equipment manufacturer Buffalo who downloaded certain files from the company's website in Japan last week might have had their computers infected with an online banking Trojan.
The recent effort to disrupt the Gameover Zeus botnet includes plans for Internet service providers to notify victims, but some security researchers think ISPs should play an even bigger role in the future by actively quarantining infected computers ...
A serious vulnerability that could be exploited to crash TLS clients and potentially execute malicious code on underlying systems was patched in the popular GnuTLS cryptographic library.
Trend Micro is warning of a phishing campaign touting a "Heartbleed removal" tool, a nonsensical product that is actually malicious software.
The Secure Boot security mechanism of the Unified Extensible Firmware Interface (UEFI) can be bypassed on around half of computers that have the feature enabled in order to install bootkits, according to a security researcher.
Like a crowbar, security software tools can be used for good and evil.
A suspected Iranian hacker group seeded Facebook and LinkedIn with bogus profiles of attractive women and even created a fake online news organization to get digitally closer to more than 2,000 people whom it wanted to spy on.
Popular file and URL scanning service VirusTotal released a new application that allows Mac OS X users to scan suspicious files with more than 50 antivirus engines supported by the service.
A new computer Trojan that targets users of 450 financial institutions from around the world appears to borrow functionality and features directly from the notorious Zeus and Carberp malware programs.
Security researchers uncovered a global cybercriminal operation that infected with malware almost 1,500 point-of-sale (POS) terminals, accounting systems and other retail back-office platforms from businesses in 36 countries.
Despite a leak of its source code, an Android program aimed at compromising online bank accounts is still commanding US$5,000 per copy, one of the highest prices seen for a type of malware, according to research from Symantec.
Microsoft Silverlight vulnerabilities are increasingly being exploited in drive-by download attacks to infect computers with malware, especially through malicious ads.
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