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 ...

The DHS and CISA booth at the 2019 RSA conference in San Francisco. (Scoop News Group photo) The Cybersecurity and Infrastructure Security Agency wants to limit ransomeware, phishing, botnet and ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

This article is for beginners, who have recently get started with the computer and the Internet. If you already know what a DNS server is and how does it work, then please skip this guide because it ...

The DNSSEC protocol will bring improved security to the internet but also larger packet sizes. Before you run into problems, you can check that your resolver is able to cope with these larger packets, ...

Although DDoS attacks have been a serious problem for more than a decade now and security staffs have a good handle on how they’re executed and how to handle them, attackers constantly adjust their ...

For some perspective on what 300 Gbps of traffic represents, let’s just pretend that your company, as a potential customer, put this massive volume of bits and bytes in front of 20 of the leading ...

DNS over HTTPS is a new protocol that protects domain-lookup traffic from eavesdropping and manipulation by malicious parties. Rather than an end-user device communicating with a DNS server over a ...

Pi-hole isn't bad software, far from it, but the usual implementation suggestions need revising for more complex network ...

Open and misconfigured DNS (Domain Name System) resolvers are increasingly used to amplify distributed denial-of-service (DDoS) attacks, according to a report released Wednesday by HostExploit, an ...