Meet Ralph in DC

Ralph has several upcoming speaking engagements in Washington, DC. September 12, 2011: HP Protect Ralph will give a keynote titled “Challenges to Cyber Security in the Age of Cyberwar”. Besides explaining what Stuxnet is and what it is not, Ralph will discuss how to...

ICS-CERT on Beresford vulns: Flawed analysis, misleading advice

We thought we should take a closer look at ICS-CERT’s publications on the Beresford vulns. The result is, well, disturbing. The following relates to ICSA-11-223-01, dated August 11, 2011. All paragraphs in italics are quotes from the advisory. (Long post, grab a cup...

Stuxnet and Beresford

Beresford is not a new computer virus but a talented security researcher who did some work on Siemens S7 PLCs that he presented yesterday at Black Hat. My friend Dale Peterson covered the story and its background in detail over at his blog. Dale’s report and analysis,...