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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News
06 Dec 2023
Forescout uncovers 21 Sierra Wireless router vulnerabilities
Forescout is urging enterprises to patch software for affected OT/IoT routers as attackers increasingly target edge devices to gain network access to critical infrastructure. Continue Reading
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News
05 Dec 2023
Ransomware ramps up against private sector in November
Ransomware disclosures and reports increased again in November, with the most disruptive and dangerous attacks occurring against healthcare organizations. Continue Reading
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Tip
21 Oct 2008
Recovering stolen laptops one step at a time
When a student's laptop was stolen last year on a university campus, police and IT investigators went to work, recovering it within a matter of weeks. Neil Spellman, one of the investigators on the case, offers some best practices on what to do if a laptop is taken, and how to prevent theft in the first place. Continue Reading
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Answer
16 Apr 2008
Should iPhone email be sent without SSL encryption?
SSL encrypts all of the communication between your iPhone and your mail server. Network security expert Mike Chapple explains how important that feature really is. Continue Reading
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Answer
04 Apr 2008
Should a domain controller be placed within the DMZ?
When creating an Active Directory network, is it necessary to place domain controllers in the DMZ? Network security expert Mike Chapple explains. Continue Reading
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Answer
13 Mar 2008
How to secure an FTP connection
Network security expert Mike Chapple offers three tips that enable an FTP connection without opening up an enterprise to security risks. Continue Reading
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Answer
18 Feb 2008
What are the dangers of using radio frequency identification (RFID) tags?
In this expert response, Joel Dubin discusses the dangers associated with radio frequency identification (RFID) tags, and how users can protect themselves. Continue Reading
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Tip
17 Jan 2008
Firewall redundancy: Deployment scenarios and benefits
There are, however, several good reasons to deploy multiple firewalls in your organization. Let's take a look at a few scenarios. Continue Reading
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Answer
04 Jan 2008
Does Teredo present security risks to the enterprise?
Teredo allows internal networks to transition to IPv6, interconnecting them through their NAT devices and across the IPv4 Internet. Ed Skoudis explains why this function isn't as innocent as it seems. Continue Reading
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Answer
27 Nov 2007
Will FTP ever be a secure way to transfer files?
A SearchSecurity.com member asks our network security expert Mike Chapple: Is the File Transfer Protocol a secure way to transfer files? As one of his many monthly responses to readers, Chapple reveals a better alternative to FTP. Continue Reading
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Answer
21 Aug 2007
Should a router be placed between the firewall and DMZ?
Modern firewalls have the ability to serve as a router, negating the need of another device on a network. There are exceptions to this router rule, however. Network security expert Mike Chapple explains. 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
