Networking and communication

Cisco struggles with SIP firewall flaw

Cisco admits it can't reproduce a SIP security flaw in its PIX firewall that was first identified by a researcher at Black Hat. Continue Reading

By

• Bill Brenner

Briefs: VoIP in the news

Asterisk maker Digium gets major funding; Quintum's VoIP switch offers backup option for branch office; The Cisco Store makes the case for unified communications. Continue Reading

By

• Amanda Mitchell

Wireless security push fueled by paranoia

Wireless security became a necessity for Intermagnetics, but when the company used its access points to monitor the spectrum, performance suffered. Continue Reading

By

• Andrew R. Hickey

Cisco says it can't reproduce PIX flaw

Ever since a researcher at Black Hat outlined a flaw in the PIX firewall, Cisco has been trying to reproduce the security hole. So far, the company has been unsuccessful. Continue Reading

By

• Bill Brenner

Cisco boosts VoIP certification

The upgraded CCNP midlevel Cisco certification now incorporates VoIP, security and wireless to boost converged network skills among enterprise professionals. Continue Reading

By

• Amanda Mitchell, News Editor

Wireless security boost for laptops outside the office

>Most companies do a pretty good job with wireless security within the office walls, but what happens when end users take their laptops home -- or to Starbucks? Continue Reading

By

• Andrew R. Hickey

VoIP call quality on the decline

Advances in technology have made VoIP more common, but that hasn't stopped VoIP call quality from dropping steadily over the last 18 months, according to a recent study by Brix Networks. Continue Reading

By

• Andrew R. Hickey, News Writer

Vendors reject preferential knowledge sharing

While Cisco continues to investigate a potential PIX firewall flaw, it and other vendors say sharing security information quickly and indiscriminately is always the best policy. Continue Reading

By

• Michael Mimoso, TechTarget

Thwarting IM management challenges

Product review: Information Security magazine's Sandra Kay Miller says Symantec's IM Manager 8.0 has limited public network features, but offers excellent reporting Continue Reading

By

• Sandra Kay Miller

RFID security issues are cause for corporate concern

Although small in nature, RFID tags could be used to attack databases and corrupt critical information. It's a growing concern as corporate RFID use skyrockets, yet experts say there are reasonable ways to mitigate the risks and gain the business benefits. Continue Reading

By

• Tim Scannell, TechTarget

Possible Cisco zero-day exploit revealed at Black Hat

Details of an alleged flaw related to SIP and PIX appliances, briefly mentioned in a Wednesday Black Hat presentation, are being kept under wraps as Cisco and US-CERT investigate. Continue Reading

By

• Michael Mimoso, TechTarget

Blue Cross bears burden of 'no wireless' policy

Blue Cross of Idaho had a "no wireless" policy on paper but never really enforced it. That is, until a team of auditors said the company had better do something. Continue Reading

By

• Andrew R. Hickey, News Writer

Case study: A valuable solution

A new telephony and call centre solution from Inter-Tel has transformed the way that e.surv Chartered Surveyors is able to work. Continue Reading

BlueCat appliance offers rock-solid security

Hot Pick: The Adonis 1000 appliance bundles DNS and DHCP into an enterprise-class appliance for the centralized secure operation of network addressing. Continue Reading

By

• Sandra Kay Miller, Contributing Writer

Be careful you don't get more than you pay for with VoIP

Implementing VoIP is attractive for all companies in particular SMBs. However, there are issues to address that may cost you more than what you save Continue Reading

By

• Joe O’Halloran, Computer Weekly

MEF drives up quality standards in carrier Ethernet

The Metro Ethernet Forum (MEF) has expanded its certification program to include quality of service parameters in network kit, to ensure service providers can give their customers the service they demand. Continue Reading

By

• Antony Savvas

Voicing concerns on Skype

Skype has blazed a trail in the Voice over IP arena; its popularity hasn’t gone unnoticed by the hacker community however Continue Reading

By

• Joe O’Halloran, Computer Weekly

Step 6: Configuring wireless clients

With wireless networks proliferating it is a good idea to understand what it takes to build a VPN for a wireless gateway. Contributor and Microsoft MVP Brien Posey details the necessary steps in this step-by-step guide. Continue Reading

Influential survey says security 'set back by 6 years'

Update: The SANS Top 20 vulnerability list for 2005 shows the bad guys attacking flawed apps and paying more attention to network holes. Continue Reading

By

• Bill Brenner

Wireless security: Public Wi-Fi could open security holes

A Michigan county is working to give everyone within its borders wireless Internet access. But when it comes to security, users are on their own. Continue Reading

By

• Bill Brenner

Wireless security crucial to railway safety

A transportation firm uses wireless technology to keep the trains running on time. But securing mobile devices isn't easy when they're spread across the globe. Continue Reading

By

• Bill Brenner

Wireless security: Companies deal with software updates

A health care provider found it could use wireless technology to dramatically boost patient care. But first it had to figure out how to deploy security updates over a wireless network. Continue Reading

By

• Bill Brenner

Quiz: What's your infosec IQ?

We've collected our toughest questions to see how well you stand up to a challenge. Put your knowledge to the test and let us know how you do. Continue Reading

Don't discount software distribution sites as attack vectors

There's a potential downside to update sites, which offer virtually untapped riches to bad guys wanting to compromise your network. Just ask the author. Continue Reading

By

• Ed Skoudis, Contributor

NHS trust creates wireless record

University College London Hospitals (UCLH) NHS Trust has created the UK's largest single wireless network to support 7,000 users across eight hospitals. Continue Reading

By

• Antony Savvas

SAS drives product roundup

Serial-attached SCSI (or SAS) drives offer significant storage capacity at a much lower cost, while maintaining reasonable performance. Find out who the vendors are in this market. Continue Reading

By

• Stephen J. Bigelow, Senior Technology Editor

Ethernet users given greater product interoperability

A new network hardware testing standard will encourage enterprises, service providers and telcos to adopt cheaper and more flexible Ethernet technology for data, voice and video connectivity. Continue Reading

By

• Antony Savvas

VoIP turns up the heat on firewalls

New research shows that many organizations are increasingly concerned about VoIP security and plan to augment their firewalls within the next year, changing the landscape of the firewall market. Continue Reading

By

• Eric Parizo, Senior Analyst

Extending perimeters

The news that, up until 2006, 70% of successful wireless local area network (WLAN) attacks will be because of the misconfiguration of WLAN access points and client software is disquieting on a number of levels. Continue Reading

Myfip's Titan Rain connection

LURHQ researchers say the Myfip worm is a good example of the malcode Chinese hackers are using in the so-called Titan Rain attacks against U.S. government networks. Continue Reading

By

• Bill Brenner

Passive fingerprinting: Applications and prevention

In this excerpt from the book Silence on the Wire, author Michal Zalewski discusses both malicious and beneficial uses for passive fingerprinting, and how to prevent successful passive fingerprinting on your network. Continue Reading

Storage area network quiz

It's all about the storage area network (SAN) -- man. The more you know, the easier it is. Take our SAN quiz and find out where you stand as a SAN guru. Continue Reading

VoIP and IPT are hot tickets for the IT industry

Voice over IP (VoIP) and IP telephony (IPT) are the hot tickets in the current IT industry. In the space of two weeks in late May and June 2005, two major European trade shows — VON 2005 and VoIP for Business —have each exhibited a welter of products and services that seem wonderfully compelling. Continue Reading

By

• David Bicknell

VoIP encryption to have 'Pretty Good Privacy

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By

• Shawna McAlearney, News Editor

Tony Asaro: Blogs and more

Read what Tony Asaro is talking about in this month's blog, and listen to him speak in a number of webcasts. Continue Reading

Gartner underscores five overblown threats

Two Gartner analysts debunk five overhyped security risks they claim are causing companies to miss out on some key emerging technologies. Continue Reading

By

• Amy Storer, News Writer

A new era of computer worms: Wireless mobile worms

In this excerpt of Chapter 9 from "The Art of Computer Virus Research and Defense," author Peter Szor dissects the Cabir worm. Continue Reading

The acceptable rules of the mobile game

Mobile networks allow you to connect to your network from almost anywhere by the appropriate methodology. Yet that may also mean... Continue Reading

External datacentre suits Selfridges

Selfridges has outsourced its datacentre and other IT functions to Retail Assist. The outsourcer will provide network management,... Continue Reading

Managed services: Looking to the long term

IT directors looking for an easy way to manage increasing volumes of data by buying more hardware could be storing up problems... Continue Reading

By

• Jessica Twentyman

Winning the cyber arms race in the classroom

In the struggle for cybersecurity, Lenny Zeltser's most important weapons are the classroom and the pen.

For the past few years he has taught part-time at the SANS Institute, creating a course on how to analyze malicious software,. He's also directed security efforts for several organizations as a consultant and employee. As a writer, he co-authored Inside Network Perimeter Security and contributed a few chapters to the book Malware: Fighting Malicious Code.

In this Q&A, Zeltser outlines his latest course offerings and book projects, and what he sees as today's greatest threats.

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By

• Bill Brenner

Small businesses targeted with RFID

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By

• Robert Westervelt, TechTarget

Whisky galore with IP

Chivas can toast future success thanks to a cost-effective IP data network Continue Reading

Phreaks love Bluetooth

Bluetooth is becoming the vector of choice for next-generation phone phreakers to swipe files from other users, make calls or render mobile phones completely useless. Continue Reading

By

• Mark Baard

IP everything, essentially

What are the fundamental deliverables of IP networks? How can you use IP networks to gain financial benefits in addition to... Continue Reading

The basis of profitability

Not so long ago, you didn't have much choice - your IT and communications requirements were acquired, implemented and maintained... Continue Reading

Management matters

Cath Everett finds out how you stay on top of networking. What are the management issues related to your telecoms and networks... Continue Reading

Over-specify when buying low cost replacement for Frame Relay

A project manager reveals how a VPN saved £275,000 a year Continue Reading

By

• Peter Skipwith

Deals abound for high-end storage

Think high-end storage is out of your reach? Maybe not. Conversations with several storage buyers recently suggest that vendors are scrambling to give buyers the best possible deals. Continue Reading

By

• Alex Barrett, Trends Editor

Hacking for Dummies: Chapter 10 -- Wireless LANs

Read Chapter 10, Wireless LANs, from the book "Hacking for Dummies" written by Kevin Beaver. Continue Reading

IT experts not losing sleep over code theft

Days after Cisco acknowledged someone may have stolen source code from its network, IT experts said they doubt it will amount to anything catastrophic. After all, source code has made it onto the Internet before, and there's no proof it has ever led to an attack. For them, the bigger question is how to prevent such a thing from happening to their organization. Continue Reading

By

• Bill Brenner

Backup school: Quiz two, answer six

Here is the answer to Backup school quiz two, question six. Continue Reading

By

• Editors

Cisco SNMP flaw allows for DoS attacks

A coding flaw in Cisco's IOS software for certain routers and switches could leave networks vulnerable to denial-of-service attacks. Continue Reading

By

• Anne Saita, TechTarget

Resource guide to disk-based backup

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Learning Guide: SAN-based backups

Some of the best advice on the ins and outs of SAN-based backups Continue Reading

How to secure a wireless Lan

Stuart Okin and Ian Hellen at Microsoft UK give their opinion on how different forms of data encryption can protect wireless Lan... Continue Reading

By

• Stuart Okin and Ian Hellen

Rambus speeds to take on P4

The company showed its next-generation signalling technology, code-named Yellowstone, at the Rambus Developer Forum in California... Continue Reading

Cisco aids move to optical networking

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By

• Antony Adshead, Storage Editor

A day in the life

Frances Sharpe, general manager for the UK arm of ASP Network Commerce, spends a gruelling week jet setting around the USA. She... Continue Reading

The VPN dilemma

With traditional networks choking on data, Liz Biddlecombe investigates the pros and cons of managing a VPN yourself or... Continue Reading

Wap usage: Planes, phones and automobiles

So your globe-trotting executives want to change their itineraries in mid-journey and need to check that their revised schedules still fit with corporate... Continue Reading

Tags take on the barcode

Radio frequency tags could be the technology that kills off the barcode. Bill Goodwin explains how they work and what is holding... Continue Reading

By

• Bill Goodwin, Computer Weekly

Future mobile

Antony Savvas explores the future mobile network Continue Reading

By

• Antony Savvas