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Vulnerabilities / Threats

5/29/2014
06:02 PM
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Large Electric Utilities Earn High Security Scores

Critical infrastructure is a big target for attack, but new data shows some operators in that industry suffer fewer security incidents than other industries.

It may sound counterintuitive, but major utilities rank as one of the most secure organizations, according to a new study.

Large electric utilities scored 751 on a grading scale of 250 to 900-- second only to the traditionally security-forward financial industry, which scored 782, according to BitSight Technologies' new security index that analyzes the security performance of finance, utility, retail, and healthcare organizations in the Standard & Poor's 500.

Overall, 82% of the companies in the four industry sectors were hit with a security incident during the period analyzed in the report, from April 1, 2013 through March 31, 2014.

"I was looking for utilities to do poorly. But what we learned here is it's mostly SCADA systems that have their [security] issues. The largest utilities in the S&P 500 are pretty high-performing" when it comes to securing their networks, says Stephen Boyer, founder and CTO of BitSight, which tracks malicious traffic on the Internet. "Beyond those small utilities that have a lot of problems, the larger ones are pretty sophisticated. They are pretty good at segmentation and responding very quickly" to threats, he says.

"Large investor owned utili­ties have fairly sophisticated security practices. Like large financial institutions, they have significant security bud­gets and cyber risk has exec­utive level visibility," said Dave Dalva, vice president of security science at Stroz Friedberg, in a statement in BitSight's report, published this week.

ICS/SCADA systems notoriously suffer from security shortcomings mainly due to plant operators' priority of operations and safety, rarely patching and updating software for fear of disrupting the power supply or manufacturing process, for instance.

BitSight gathered the data for its analysis via its global sensors on the Internet that detect botnet and other malicious traffic, and tracks malware and the duration of its presence on systems for its customers.

Utilities are mostly plagued by a family of Trojans called Redyms (26%), which redirect search engine results, Zeus (15%), Zero Access (13%), Cutwail (8%), and Confickr (8%).

Financial firms are hit mostly by Zeus (33%), followed by ZeroAccess 12%), Redyms (10%), Confickr (7%), and Spambot (7%), according to BitSight's findings.

Meanwhile, the healthcare industry scored poorly, 660, as did retail, 685. "What was surprising was healthcare," Boyer says. "The fact that Confickr was so prominant there says a lot," with 13% of the malware infections, he says.

The full report is available here for download.

Kelly Jackson Higgins is the Executive Editor of Dark Reading. She is an award-winning veteran technology and business journalist with more than two decades of experience in reporting and editing for various publications, including Network Computing, Secure Enterprise ... View Full Bio

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RyanSepe
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RyanSepe,
User Rank: Ninja
5/29/2014 | 9:49:23 PM
Disruption Cause for Low and High Security
I think a very important piece to this article is why the lower level systems for utilities have small levels of securty.

"fear of disrupting the power supply or manufacturing process"

It is for this exact same reason that the perimeter needs to be so strong. Internally, fear of disrupting the power supply represents a critical concern. This is why it is not tampered with, don't want to knock out functionality by mistake. The disruption would detrimental to a mass amount of people.

In turn, imagine if a utilities company was exploited. The effect could be extremely detrimental to the public. Its funny to think about that the reason internal security is minimal is the precise reason as to why external security needs to be strong.
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