Simple steps can make the difference between losing your online accounts or maintaining what is now a precious commodity: Your privacy. Read now Here's how it works: First, DNS is the internet's ...

DNS resolvers play a key role in converting Web links to IP addresses, acting as a link between your computer and the Internet's DNS infrastructure. A DNS resolver is a local server that stores a ...

As much as 38 percent of the Internet’s domain name lookup servers are vulnerable to a new attack that allows hackers to send victims to maliciously spoofed addresses masquerading as legitimate ...

Researchers from Tsinghua University and the University of California have identified a new method that can be used to conduct DNS cache poisoning attacks. The new discovery revives a 2008 bug that ...

I'm trying to finish cleaning up a system that was absolutely chock-full o' viruses. The anti-virus (Symantec Corporate) claims everything is clean, and I've cleaned up the hosts file, which had a ...

A vulnerability in the BIND domain name system (DNS) software could give an attacker the ability to easily and reliably control queried name servers chosen by the most widely deployed DNS software on ...

Few recent Internet threats have made such a big impact as security researcher Dan Kaminsky's discovery, in 2008, of fundamental flaws in the Domain Name System (DNS) protocol that can be used by ...

Cloudflare is an old hand at speeding up corporate internet services with its content delivery network (CDN). The company is also a pro at blocking Distributed Denial of Service (DDoS) attacks. Now, ...

If your router pings the modem, but you still have connectivity problems, you may have a faulty Winsock catalog, a corrupt DNS cache or IP conflicts. To troubleshoot a malfunctioning router, you must ...