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Network Security Architecture: Best Practices & Tools

eSecurity Planet

Network security architecture is a strategy that provides formal processes to design robust and secure networks. This article explores network security architecture components, goals, best practices, frameworks, implementation, and benefits as well as where you can learn more about network security architecture.

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What Is a DMZ Network? Definition, Architecture & Benefits

eSecurity Planet

DMZ networks typically contain external-facing resources such as DNS, email, proxy and web servers. DMZ network architecture DMZ Architecture There are two main layout options to choose from when developing a DMZ subnetwork: a single firewall layout and a dual firewall layout.

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How to Prevent DDoS Attacks: 5 Steps for DDoS Prevention

eSecurity Planet

Deploy Anti-DDoS Architecture : Design resources so that they will be difficult to find or attack effectively or if an attack succeeds, it will not take down the entire organization. Deploy DDoS Monitoring : Watch for signs of an attack and document attacks for future improvements. For more information, see How to Prevent DNS Attacks.

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Log4Shell Vulnerability is the Coal in our Stocking for 2021

McAfee

The most popular lookup currently being seen in both PoCs and active exploitation is utilizing LDAP; however, other lookups such as RMI and DNS are also viable attack vectors. This was done using the public Docker container , and a client/server architecture leveraging both LDAP and RMI, along with marshalsec to exploit log4j version 2.14.1.

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How to Stop DDoS Attacks: Prevention & Response

eSecurity Planet

For example, the 2016 DDoS attack on the Dyn managed domain name service (DNS) caused the DNS service to fail to respond to legitimate DNS inquiries and effectively shut down major sites such as PayPal, Spotify, Twitter, Yelp, and many others. Also read: How to Secure DNS. Types of DDoS Attacks. Harden infrastructure.

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Black Hat Europe 2021 Network Operations Center: London called, We answered

Cisco Security

Cisco Secure supports the NOC operations with DNS visibility and architecture intelligence ( Cisco Umbrella and Cisco Umbrella Investigate ) and automated malware analysis and threat intelligence ( Cisco Secure Malware Analytics (Threat Grid) , backed by Cisco Talos Intelligence and Cisco SecureX ). The other half is Clarity for iOS.

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PurpleFox botnet variant uses WebSockets for more secure C2 communication

Security Affairs

Researchers from TrendMicro have documented a recent evolution of the PurpleFox botnet, the experts discovered a new.NET backdoor, dubbed FoxSocket, that is highly associated with the PurpleFox operation. Researchers warn of a new evolution of the PurpleFox botnet, operators included exploits and leverage WebSockets for C2 communication.