Security researchers have found a new backdoor program that allows attackers to hijack Mac systems and control them over the Tor network.
A critical vulnerability that was recently found in the low-level firmware of Lenovo ThinkPad systems also reportedly exists in products from other vendors including HP and Gigabyte Technology.
Attackers can exploit vulnerabilities in Android devices with Qualcomm chipsets in order to extract the encrypted keys that protect users' data and run brute-force attacks against them.
Attackers are developing an aggressive new ransomware program that encrypts both user files and the computer's master boot record (MBR), leaving affected machines unable to boot into the OS.
A newly released UEFI exploit for Lenovo ThinkPad laptops could disable low-level Windows security features like Secure Boot, Virtual Secure Mode and Credential Guard.
LizardStresser, the DDoS malware for Linux systems written by the infamous Lizard Squad attacker group, was used over the past year to create over 100 botnets, some built almost exclusively from compromised internet-of-things devices.
The infrastructure used by an Iranian cyberespionage group to control infected computers has been hijacked by security researchers.
A Google security researcher has found high severity vulnerabilities in enterprise and consumer products from antivirus vendor Symantec that could be easily be exploited by hackers to take control of computers.
Attackers have compromised more than 25,000 digital video recorders and CCTV cameras and are using them to launch distributed denial-of-service (DDoS) attacks against websites.
A new ransomware program called Bart is making the rounds and locks user files in password-protected zip archives.
After repeated attacks, the Internal Revenue Service has decided to retire a Web-based tool for obtaining PINs that taxpayers could use to file tax returns electronically.
Lenovo has fixed two high severity vulnerabilities in its Lenovo Solution Center support tool that is preinstalled on many laptop and desktop PCs.
A hybrid Trojan program created for financial fraud has started redirecting users of four large U.S. banks to rogue websites in order to hijack their accounts.
The prevalence of ransomware programs, both those that encrypt data and those that don't, has exploded over the past two years, with companies being increasingly targeted.
Researchers from Cisco Systems' Talos group found three severe flaws in libarchive that could impact a large number of software products and their users.