Few weeks ago, I was invited to the ICS Arabia Podcast, along with my colleagues with whom I worked on the SOC-CMM Whitepaper - Assessing and Maturing OT SOCs. During the recording, we discussed how organizations may approach Security Operations in industrial and OT contexts. If this topic interests you, you may find the resulting ICS Arabia Podcast episode, which was published yesterday, on YouTube...

A new Diary of mine was published today on the SANS Internet Storm Center website. In this one, we’ll take a look at a few positive trends related to public IP ranges from the past twelve months…

A new Diary of mine was published today on the SANS Internet Storm Center website. In this one, we’ll take a look at the number of internet-exposed industrial control systems…

The year 2021 is behind us which means that the time has come for us to take a look at how the internet changed over its 365 days...

Only the last three months remain until the end of 2021, which means it's time for a look at how the internet as a whole changed in the third quarter of the year...

The first half of 2020 is behind us, which means it's time for a look at how the internet as a whole changed during the past 3 months...

A new Diary of mine was published today on the SANS Internet Storm Center website. In this one, we’ll take a look at the number of Industrial Control Systems accessible from the internet…

The first quarter of 2020 is behind us, which means it's time for another look at some of the interesting ports accessible on public IPs. This time however, we will take a look at how the internet as a whole changed during the past 3 months, but also at specific changes related to support of different versions of SSL and TLS...

The last quarter of 2020 is behind us, which means it's time for another look at some of the interesting ports accessible on public IPs. This time however, we will take a look at how the internet changed during the whole of 2020, not just at the past 3 months...

If you've read any of my posts about open ports on public IP addresses either here or on the SANS Internet Storm Center website, you probably know that I'm interested in how the internet changes over time and I try to gain at least some understanding of it by analyzing data gathered over time from Shodan. Since I'm probably not the only one who finds the changes in numbers of different open ports interesting, I've decided to start publishing quarterly charts for the number of IPs, which have some of the more interesting ports open/services accessible from the internet...