Network security
Enterprise cyberdefense strategies must include network security best practices. Get advice on essential network security topics such as remote access, VPNs, zero-trust security, NDR, endpoint management, IoT security, hybrid security, Secure Access Service Edge, mobile security and more.
Top Stories
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Feature
12 Dec 2025
Guide to cloud container security risks and best practices
Containers are an integral part of a growing number of production environments. But they can become security risks if not managed correctly. Continue Reading
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Feature
10 Dec 2025
Wireless security: Differences between WEP, WPA, WPA2, WPA3
As wireless networks have evolved, so have the protocols for securing them. Get an overview of WLAN security standards, and learn the differences among WEP, WPA, WPA2 and WPA3. Continue Reading
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Answer
31 Jul 2007
How does SSL 'sit' between the network layer and application layer?
SSL is neither a network layer protocol nor an application layer protocol. In this SearchSecurity.com Q&A, Michael Cobb explains how SSL "sits" between both layers. Continue Reading
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Answer
22 Apr 2007
How do a DMZ and VPN work together?
In this SearchSecurity.com Q&A, network security expert Mike Chapple explains the three distinct network zones in a typical firewall scenario and reveals how the DMZ and VPN, in particular, co-exist. Continue Reading
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Answer
27 Mar 2007
What's the harm in removing the RFID chip in credit cards?
If you're concerned that a credit card's RFID chip is putting your personal data at risk, why not just drill the darn thing out? Not so fast, says Joel Dubin. In this SearchSecurity.com Q&A, the identity management and access control expert explains some other options. Continue Reading
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Answer
19 Feb 2007
Can a TCP connection be made without an open port?
A company may claim it has an "application" that allows computers to communicate without opening any ports, but network security expert Mike Chapple reveals whether you should believe the hype or not. Read more in this SearchSecurity.com Q&A. Continue Reading
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Answer
12 Feb 2007
How should security and networking groups manage the firewall?
When it comes to firewalls, the networking group often handles the installation, while the information security department writes the rules. Should these responsibilities be split? In this expert Q&A, security management pro Shon Harris reveals how each group should contribute to the firewall management process. Continue Reading
- Quiz 17 Nov 2005
- Answer 06 Feb 2003
