A Romanian hacker known online as Guccifer pleaded guilty to hacking into 100 email and social media accounts belonging to American citizens, including former high-ranking government officials.
The explosion of new generic top-level domains (gTLDs) in recent years can put enterprise computers at risk due to name conflicts between internal domain names used inside corporate networks and domains that can now be registered on the public Internet.
A new ransomware program called DMA Locker has reached maturity and shows signs of being distributed in widespread attacks.
It took hackers less than two weeks to integrate a recently patched Flash Player exploit into widely used Web-based attack tools that are used to infect computers with malware.
Routers and other wireless devices made by Ubiquiti Networks have been infected by a worm that exploits a one-year-old remote unauthorized access vulnerability.
Cisco Systems has fixed four denial-of-service vulnerabilities that attackers could exploit to cause Web Security Appliance devices to stop processing traffic correctly.
Victims of the widespread TeslaCrypt ransomware can now decrypt files affected by recent versions of the malicious program.
A hacker is trying to sell a database dump containing account records for 167 million LinkedIn users.
Security researchers have found a new version of a malware program called Skimer that's designed to infect Windows-based ATMs and can be used to steal money and payment card details.
The antivirus engine used in multiple Symantec products had an easy to exploit vulnerability that could have allowed hackers to easily compromise computers.
Over the past two years, a group of cybercriminals has infected almost 1 million computers with malware that hijacks search results, even when they're served over encrypted HTTPS connections.
Researchers from Kaspersky Lab have developed a method of decrypting files affected with the latest version of CryptXXX, a malware program that combines ransomware and information stealing capabilities.
The Petya ransomware now bundles a second file-encrypting program for cases where it cannot replace a computer's master boot record to encrypt its file table.
Adobe Systems has released a security update for Flash Player in order to fix a publicly known vulnerability, as well as 24 privately reported security flaws.
Two vulnerabilities recently patched in 7-Zip could put many software products and devices who bundle the open-source file archiving library at risk of compromise.