Remove DNS Remove Event Remove Network Security
article thumbnail

Report: Recent 10x Increase in Cyberattacks on Ukraine

Krebs on Security

John Todd is general manager of Quad9 , a free “anycast” DNS platform. DNS stands for Domain Name System, which is like a globally distributed phone book for the Internet that maps human-friendly website names (example.com) to numeric Internet addresses (8.8.4.4.) Of those 121 million events, 4.6

DNS 352
article thumbnail

How to Prevent DNS Attacks: DNS Security Best Practices

eSecurity Planet

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

DNS 113
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Network Security Architecture: Best Practices & Tools

eSecurity Planet

Network security architecture is a strategy that provides formal processes to design robust and secure networks. Effective implementation improves data throughput, system reliability, and overall security for any organization.

article thumbnail

What is Network Security? Definition, Threats & Protections

eSecurity Planet

Network security creates shielded, monitored, and secure communications between users and assets. Securing the expanding, sprawling, and sometimes conflicting collection of technologies that make up network security provides constant challenges for security professionals.

article thumbnail

The NSA Wants Businesses to Use DoH. Here’s What You Need to Know.

Webroot

In recent months, you’ve likely heard about DNS over HTTPS , also known as DNS 2.0 and DoH, which is a method that uses the HTTPS protocol to encrypt DNS requests, shielding their contents from malicious actors and others who might misuse such information. Ultimately, this DNS privacy upgrade has been a long time coming.

DNS 108
article thumbnail

A compelling story

Cisco Security

For example, the security event might involve requests to communicate with an IP address, and the analyst would say, “This IP address belongs to my DNS server, so the traffic is legitimate.” Wait, what is the baseline, and how was it violated in this particular security event?” Annotated security events.

DNS 137
article thumbnail

New TCP/IP Vulnerabilities Expose IoT, OT Systems

eSecurity Planet

Because AMNESIA:33 affects an expansive code network with deeply embedded subsystems, the task of identifying and patching vulnerable devices for your organization is as daunting as it is essential. Stack components impacted include DNS, IPv6, IPv4, TCP, ICMP, LLMNR, and mDNS. DNS Cache Poisoning: 2. DNS Cache Poisoning.

IoT 140