If you are like most people, you don't read privacy statements. They are boring, often generic, and seem to be created to protect businesses from lawsuits rather than to inform customers about how they protect their privacy. Still, when you know what to look for to make up your mind about "is it OK to … Continue reading Why you should be reading privacy statements before using a web site
Sometimes we talk to people who are responsible for operating distributed control systems. These are sometimes linked up to remote access solutions for a variety of reasons. Still, the same people do often not understand that vulnerabilities are still found for mature systems, and they often fail to take the typically simple actions needed to … Continue reading Do SCADA vulnerabilities matter?
IEC 61511 is undergoing revision and one of the more welcome changes is inclusion of cyber security clauses. According to a presentation held by functional safety expert Dr. Angela Summers at the Mary Kay Instrument Symposium in January 2015, the following clauses are now included in the new draft – the standard is planned issued … Continue reading New security requirements to safety instrumented systems in IEC 61511
Darkreading.com brought news about a project to set up a free honeypot tool for monitoring attacks against gas tank monitoring systems. Researchers have found attacks against gas tank monitoring systems at several locations in the United States (read about it @darkreading). Interestingly, many of these systems for monitoring tank levels etc., are internet facing with … Continue reading Gas station’s tank monitoring systems open to cyber attacks
Firewalls are important to maintain security. On that, I suppose almost all of us agree. It is, however, not the final solution to the cyber security problem. First, there is the chance of bad guys pushing malware over traffic that is actually allowed through the firewall (people visiting bad web sites, for example). Then there … Continue reading The false sense of security people gain from firewalls
Safetey critical control systems are developed with respect to reliability requirements, often following a reliability standard such as IEC 61508 or CENELEC EN 50128. These standards put requirements on development practices and activities with regard to creating software that works the way it is intended based on the expected input, and where availability and integrity … Continue reading Does safety engineering require security engineering?