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Blog Category: Industrial Security

Posted by: Michelle Foster on October 04, 2012

We recently had a great blog emphasizing our commitment to security published by Greg Hale at Industrial Safety and Security Source.

Greg visited our Industrial Ethernet Infrastructure Design workshop up near Chicago last week and it seems like he liked what he saw with Belden building our security portfolio.

The article features quotes from Mark Cooksley, product manager for software service and Jeff Smith from American Axle Manufacturing.

If you’re interested in reading the article, please check it out on their website: Belden: Security Front and Center.

A special thanks goes out to Greg for this great article. For all things industrial security, be sure to follow him on Twitter @isssource and visit their website.

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Blog Category: Industrial Security

Posted by: Industrial IT Team on September 21, 2012

Editor's Note: This article was contributed by David Alexander, head of vulnerability research at Regency IT Consulting.

To understand the problems faced by SCADA users, the team at Regency IT Consulting wanted to build a basic test rig. The goal with the rig was to help us understand the users’ challenges and to interact with the technology and protocols.

I've always worked on the basis of needing to be able to 'take things apart' and understand its internals before I look at how to protect them. Call it going back to the first principles of Information Security if you like, but to me it’s a simple common sense and a methodical approach.

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Blog Category: Industrial Security

Posted by: Industrial IT Team on September 06, 2012

Recently I saw a posting on LinkedIn asking “What’s the difference between a SCADA system and an ICS system, and if there is no difference, then why do we have two different names?”

This is a good question, because unless you have worked in the industrial automation field for a few decades, the terminology can seem very confusing. Not only do we have SCADA versus ICS, we also have terms like Process Control, Discrete Control, Industrial Automation, Manufacturing Automation Systems, Distributed Control Systems, Energy Management Systems and so on.

The Quick Answer
Now the quick answer is that Supervisory Control and Data Acquisition (SCADA) is a subset of Industrial Control Systems (ICS).

SCADA generally refers to control systems that span a large geographic area, such as a gas pipeline, power transmission system or water distribution system. I use both terms together because SCADA is often better known by the press, government officials and the public, but ICS is probably the technically correct term to use if you are referring to industrial automation of all types.

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Blog Category: Industrial Security

Posted by: Industrial IT Team on August 30, 2012

Editor's Note: This is an updated version of this article, which was first published the Tofino Security Blog on June 14, 2011.

Honeywell and the ISA Security Compliance Institute last week announced that two more Honeywell products, the Experion® C300 DCS controller and the Experion fieldbus interface module (FIM) joined the Honeywell Safety Manager in achieving its pioneering ISASecure Level 1 certification. Following this announcement Dale Peterson questioned the value of some aspects of ISASecure certification.

Here is why I believe, as I did in June 2011, that ISASecure certification is valuable.

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Blog Category: Industrial Security

Posted by: Industrial IT Team on August 22, 2012

Over the past month, I have received a number of emails and seen a number of LinkedIn articles suggesting that I was attacking the concept of data diodes when I stated that Air Gaps are a myth. Unfortunately, this is a serious misunderstanding of my message to the ICS/SCADA community.

I am not writing about technology when I say Air Gaps are impossible. Whether you use a firewall, a data diode or tin cans and string to filter and control your information flow is not my point. These are all valuable technologies (well, maybe not the last one). They are also not silver bullets, but when used intelligently in a defense in depth strategy, they can all do a lot to secure a control system.

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Tags: Air Gap, Patching

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Blog Category: Industrial Security

Posted by: Industrial IT Team on August 16, 2012

Editor's Note: This article was written by Thomas Nuth, BA and MBA, product marketing manager. Thomas is responsible for market analysis and valuation for Belden's global Industrial Networking business. He can be reached at thomas.nuth@belden.com or +49 (0) 712714 1648

Finding a way to determine the right level of investment in ICS and SCADA Security has been an ongoing challenge for industry. In an earlier article, the Total Cost of Ownership approach for calculating investment level was described. Today I present another method called Value at Risk (VaR).

Value at Risk for Process Automation Companies
Value at Risk (VaR) has existed within the financial world for a long time and is used to measure risk while it happens. Managing the risk of financial investments, and the small potential of catastrophic loss, has come to separate the winners from the losers within the world of finance.

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Blog Category: Industrial Security

Posted by: Oliver Kleineberg on August 09, 2012

Virtual Local Area Networks (VLANs) should not be counted on as a security feature of modern managed Ethernet switch networks. This is now common knowledge, both in IT departments and also in the Industrial Control Community. Indeed in Eric Byres’ article Why VLAN Security isn't SCADA Security at all he points out that switches with VLANS are not firewalls. But are VLANs the boogeyman of industrial control system security...or are they underestimated helpers? This article examines that question in detail.

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Blog Category: Industrial Security

Posted by: on August 02, 2012

Engineers as well as IT staff in the process control and SCADA industries have varying levels of knowledge about industrial cyber security. We come across this regularly when talking to people at industry events or speaking with customers or partners. To help you, no matter where you are in the learning curve, we have recently released a five-part video series.

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