attack

Air Gaps won’t Stop Stuxnet’s Children

As someone working in the field of industrial cyber security I never thought I would see the day when a cyber attack would be the topic of a prime time television show.

Digging for Facts on the Siemens S7-1200 PLC Security Vulnerabilities, Part 1/3

The recent news that Dillon Beresford at NSS Labs had discovered somewhere between four and six serious vulnerabilities in the Siemens S7 PLC product has created quite a storm of news and concern for critical asset owners. Unfortunately, information on the range and severity of the vulnerabilities has been contradictory.

Facebook Wins at the Oscars, Fails at Security

The Oscars are over and the film about Facebook, The Social Network, won three awards. Pretty good – I saw the movie and thought it deserved a few gold statues.

But just as I was getting ready for the Oscar weekend, I received the following email from Facebook:

From: Facebook
Sent: Friday, February 25, 2011 1:17 PM
To: Eric Byres
Subject: Joe Smith posted on your Wall.

Iran Confirms Stuxnet Impacts their Centrifuges / Was Iran’s Stuxnet Expert Assassinated??

The Stuxnet story is getting stranger by the minute. First Iran’s President, Mahmoud Ahmadinejad, gave a press conference earlier today where he admitted that Stuxnet had hit Iran’s uranium enrichment centrifuges.

Bad News for SCADA - Stuxnet gets Scarier

Over the past two weeks, there has been considerable progress in determining exactly what industrial process Stuxnet’s creators were trying to destroy. This news is not good for the industrial control system and SCADA communities.

First the Symantec team announced that one of Stuxnet’s payloads was designed to change the output frequencies of specific Variable Frequency Drives (VFDs) and thus the speed of the motors connected to them, essentially sabotaging the industrial process.

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