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 ...

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 ...

When your company’s internet access, VoIP and email all depend on DNS, you have to ensure your DNS server is protected against DNS spoofing attacks. One solution: DNSSEC. Domain Name System (DNS) is ...

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 ...