article thumbnail

Zero-Trust DNS

Schneier on Security

Microsoft is working on a promising-looking protocol to lock down DNS. ZTDNS aims to solve this decades-old problem by integrating the Windows DNS engine with the Windows Filtering Platform—the core component of the Windows Firewall—directly into client devices. ”

DNS 325
article thumbnail

Palo Alto Networks fixed a high-severity PAN-OS flaw

Security Affairs

An unauthenticated attacker can exploit this vulnerability to reboot the firewall by sending a malicious packet through its data plane. Repeated exploitation forces the firewall into maintenance mode. Repeated attempts to trigger this condition will cause the firewall to enter maintenance mode.” ” reads the advisory.

DNS 112
Insiders

Sign Up for our Newsletter

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

article thumbnail

Muddling Meerkat, a mysterious DNS Operation involving China’s Great Firewall

Security Affairs

The China-linked threat actors Muddling Meerkat are manipulating DNS to probe networks globally since 2019. Infoblox researchers observed China-linked threat actors Muddling Meerkat using sophisticated DNS activities since 2019 to bypass traditional security measures and probe networks worldwide.

DNS 141
article thumbnail

Protect Your Business With This Seamless Firewall — Now $150 Off

Tech Republic Security

DNS FireWall is an intuitive security app built to protect you and your business from malware, phishing, botnets and more security threats.

Firewall 165
article thumbnail

Building Scalable Security with Cisco Secure Firewall Cloud Native Version 1.1

Cisco Security

This is where Cisco Secure Firewall Cloud Native comes in, giving you the flexibility to provision, run, and scale containerized security services. Secure Firewall Cloud Native brings together the benefits of Kubernetes and Cisco’s industry-leading security technologies, providing a resilient architecture for infrastructure security at scale.

Firewall 142
article thumbnail

Building a scalable RAVPN architecture in Oracle Cloud Infrastructure using Cisco Secure Firewall

Cisco Security

With Cisco Secure Firewall, organizations are able to build a scalable RAVPN architecture on OCI, providing employees secure remote access to their organization’s resources from any location or endpoint. It enforces security at the DNS layer to block malware, phishing, and command and control callbacks over any port.

Firewall 141
article thumbnail

How to Secure DNS

eSecurity Planet

The domain name system (DNS) is basically a directory of addresses for the internet. Your browser uses DNS to find the IP for a specific service. For example, when you enter esecurityplanet.com, the browser queries a DNS service to reach the matching servers, but it’s also used when you send an email. DNS spoofing or poisoning.

DNS 137