Enlarge (credit: Marco Verch Professional Photographer and Speaker ) Hackers delivered malware to Windows and Mac users by compromising their Internet service provider and then tampering with software updates delivered over unsecure connections, researchers said. The attack, researchers from security firm Volexity said, worked by hacking routers or similar types …

Enlarge For more than four days, a server at the very core of the Internet’s domain name system was out of sync with its 12 root server peers due to an unexplained glitch that could have caused stability and security problems worldwide. This server, maintained by Internet carrier …

Enlarge (credit: Getty Images) Translating numerical IP addresses into human-readable domain names has long been fraught with gaping security risks. After all, lookups are rarely end-to-end encrypted. The servers providing domain name lookups provide translations for virtually any IP address—even when they’re known to be malicious. And …

Enlarge (credit: Aurich Lawson / Getty) The protracted arms race between criminals who wage distributed denial-of-service attacks and the defenders who attempt to stop them continues, as the former embraces “alarming” new methods to make their online offensives more powerful and destructive, researchers from content-delivery network Cloudflare reported Wednesday. With …