Network security management
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E-Zine
07 Dec 2023
CW EMEA: Prepare for cyber war
When the war between Hamas and Israel began in October, cyber security professionals and major government and private organisations braced for an inevitable accompanying online war. In this issue of CW EMEA, we outline cyber war, patterns of threat activity, and find out what security teams can do to protect their organisations. We also look at Finland’s advances in quantum computing, how Belgian researchers have developed technology to help datacentres process data faster, and the secrets of KPN’s successful business transformation. Read the issue now. Continue Reading
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News
21 Mar 2023
Nordics move towards common cyber defence strategy
Nordic countries agree to work together to improve their cyber defences amid increasing threat Continue Reading
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Tip
08 Aug 2011
Best practices for audit, log review for IT security investigations
Device logs can be one of the most helpful tools infosec pros have, or they can be a huge waste of space. Continue Reading
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Tip
02 Dec 2009
Best practices for (small) botnets
Your enterprise might have a strategy to deal with a large-scale botnet attack, but how would you deal with a micro-botnet that knows how to bypass antivirus and firewalls? Get botnet help with this expert advice. Continue Reading
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Tip
09 Sep 2009
How to use a netstat command in Windows to watch open ports
Mike Cobb shows how a simple command line tool can provide invaluable information about what's happening on your system Continue Reading
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News
14 Oct 2008
Using Wireshark to monitor and secure your network
Learn how to use packet analyser, Wireshark, in this illustrated tutorial. Continue Reading
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News
27 Mar 2008
Getting the best bargain on network vulnerability scanning
When it comes to enterprise network analysis, is it best to use a commercial vulnerability scanner or an open source product? Mike Chapple explains. Continue Reading
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News
06 Mar 2008
Losing the war to lock down networks might help enterprises innovate
While security concerns cannot be set aside, users unwilling to leave their own applications at home might bring some innovation to the office. Continue Reading
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News
17 Jan 2008
Wireless network security made easy - from "The Book of PF"
How to get wireless networks running and some options for making your wireless network more secure, including encryption for IEEE 802.11 wireless networks. Continue Reading
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News
13 Jan 2008
Holidays are over; now beware the gadgets
The post-holiday influx of consumer devices poses increased risk of data leakage and other threats to network security. Continue Reading
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News
11 Dec 2007
Cisco Trusted Security to boost network security, management
Cisco's Trusted Security (TrustSec) hardens network security while easing some management. Continue Reading
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News
06 Nov 2007
Cisco upgrades Catalyst 4500 and 6500 switches
Cisco today released updates to its modular Catalyst 4500 and 6500 switch series to add more capacity, scalability and redundancy. Continue Reading
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Tip
21 Oct 2007
USB storage devices: Two ways to stop the threat to network security
USB storage devices pose a significant threat to network security. This tip discusses some basic strategies for blocking unauthorized USB device use. Continue Reading
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News
11 Oct 2007
Juniper updates network access control
Juniper has updated its Unified Access Control NAC products to include better pre- and post-admission, identity and role awareness and other new features. Continue Reading
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News
10 Oct 2007
Researchers warn of new attack methods against Cisco IOS
Several new attack methods against Cisco IOS were uncovered during an analysis conducted by researchers at Information Risk Management. Continue Reading
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Tip
17 Sep 2007
Bringing the network perimeter back from the 'dead'
Many have expressed the importance of endpoint security, going so far as to say the perimeter is dead. Not so fast, says network security expert Mike Chapple. Continue Reading
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News
16 Sep 2007
NAC switches, appliances help track users, malware
Some vendors are offering switches and appliances to monitor traffic for malware and unauthorized access, as the NAC market sorts itself out. Continue Reading
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News
30 Aug 2007
Network access control vendors: Attraction vs. retention
Network access control (NAC) vendors were evaluated based on attractiveness and customer retention in a recent survey by Current Analysis. Continue Reading
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Tip
16 Aug 2007
Network analysis -- Enhancing security assessments
Network security assessment doesn't have to rely on expensive automated tools. In this tip, learn how to use data from freely available tools to produce a comprehensive view of network security. Continue Reading
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News
13 Aug 2007
VoIP vulnerability threatens data
VoIP vulnerabilities have now reached a level of sophistication that allows hackers to steal, view or delete data. Continue Reading
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News
09 Aug 2007
Cisco warns of critical IOS flaws
Attackers could exploit multiple flaws in Cisco's IOS to cause a denial of service or remotely execute arbitrary code. Continue Reading
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News
01 Aug 2007
Black Hat 2007: Researchers highlight new database attack method
At this week's hacker confab, expert penetration testers will demonstrate how cyberthieves can reach into corporate databases -- without exploiting a specific software flaw -- to steal credit card and Social Security numbers. Continue Reading
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News
26 Jul 2007
Stop simultaneous connections to corporate LANs and external Wi-Fi networks
How can you stop simultaneous connections to corporate LANs and external Wi-Fi networks? Find out from expert Lisa Phifer. Continue Reading
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News
22 Jul 2007
NAC growth sluggish as companies consider network security options
Companies are taking a wait-and-see approach, hoping the technology's maturity will make it more cost effective. Continue Reading
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Tip
05 Jul 2007
Wireless security -- Defending Wi-Fi clients
In this tip, Lisa Phifer examines how host-resident wireless IPS agents can help you safeguard Wi-Fi client devices to ensure strong wireless security. Continue Reading
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News
28 Jun 2007
Network security: Overlay versus perimeter security model debated at Catalyst
Traditional network perimeter security -- firewalls, and even network access control -- may soon be pushed out in favour of using VPNs for network security, which could ease the security burden for networking staff, according to Dave Passmore. The Research Director at Burton Group pointed out that there is a growing disagreement about where security controls should reside and how those controls should be implemented. Continue Reading
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News
19 Jun 2007
Securing the enterprise VoIP perimeter
How to make VoIP work without sacrificing firewalls or network perimeter security. Continue Reading
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News
06 Jun 2007
Network access controlled via biometrics
Fingerprint readers, a form of biometrics, have been used to protect data and endpoints, but now IT is using the security technology to control network access Continue Reading
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News
22 May 2007
Microsoft unveils unified communications devices
Microsoft unveils unified communications devices. Continue Reading
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News
06 Mar 2007
Unified communications translates to intelligent communications
Unified communications and its business benefits were the underlying themes of the keynote presentations yesterday at VoiceCon Spring 2007. Continue Reading
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News
07 Feb 2007
OSI: Securing the stack, Layer 2 -- Understanding the role of ARP
Part two of our series on securing the OSI stack looks at the perils of Address Resolution Protocol. Continue Reading
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News
16 Jan 2007
Network security threats and answers, by industry
Michael Gregg offers network pros in various industries security advice and step-by-step solutions to help lock down the network. Continue Reading
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News
11 Jan 2007
Network security -- Taking the layered approach
Network security is tricky business. In his new book Hack the Stack, author and security expert Michael Gregg outlines how to secure the network using the OSI model. Continue Reading
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News
07 Jan 2007
NAC implementation slows as networking budgets grow
Network Access Control (NAC) implementations will decrease, despite growth in networking budgets. Continue Reading
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Tip
12 Dec 2006
Intrusion detection systems -- introduction to IDS and IPCop
This article, excerpted from the book ""Configuring IPCop Firewalls: Closing Borders with Open Source,"" explores how intrusion detection systems (IDS) and intrusion prevention systems (IPS) including Snort and IPCop protect the network from malicious attacks. Continue Reading
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News
10 Dec 2006
Windows Vista security settings
Microsoft's Windows Vista is here. Here, Current Analysis senior analyst Andrew Braunberg discusses what network admins need to know about tightening up Vista security. Continue Reading
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News
04 Dec 2006
Spam -- stop it at the network edge
Spam has become much more than just a nuisance; it can slow or crash the network. F5 recently added a module to its Big IP platform to stop spam at the network edge. Continue Reading
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News
12 Oct 2006
What to do when your server goes down
When a server goes down at a particular time every night without the prompt of a virus, our expert, Puneet Mehta, can tell you what the problem is and what you can do to avoid it. Continue Reading
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News
24 Sep 2006
Apple fixes Mac Wi-Fi flaws
Updated: Attackers could exploit flaws in Apple's wireless technology to cause a denial of service or run malicious code, resulting in the full takeover of vulnerable Mac machines. Continue Reading
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News
12 Sep 2006
Secure network perimeter to result from Symantec-Juniper deal
Juniper and Symantec announced a deal to integrate Symantec's client security software with Juniper's security hardware. The result will allow endpoint compliance and access control platforms to secure the enterprise perimeter. Continue Reading
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News
05 Sep 2006
Cisco, Microsoft unveil NAC/NAP interoperability
Nearly two years into their partnership, Cisco and Microsoft yesterday announced a joint architecture combining their network access security solutions. Continue Reading
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News
05 Sep 2006
Cisco, Microsoft unveil NAC/NAP interoperability
Nearly two years into their partnership, Cisco and Microsoft yesterday announced a joint architecture combining their network access security solutions. Continue Reading
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Tip
29 Aug 2006
BackTrack: The gotta-have, free, network security tool you've never heard of
Get the power of Linux-based security tools on Windows with this free suite of open source security tools. Contributor and vulnerability assessment expert Kevin Beaver introduces BackTrack and explains its network security testing features. Continue Reading
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News
23 Aug 2006
Remote access, WAN optimization, and network analysis news
Briefs: Remote access from Positive Networks helps with disaster recovery plans; Ipanema Technologies provides WAN optimization; Lancope rolls out network behavior analysis and response system tools. Continue Reading