A new Diary of mine was published today on the SANS Internet Storm Center website. In this one, we’ll take a look an upcoming 30-year anniversary of the publication of SSL 2.0, and on the number of internet-exposed systems that still support this protocol…

A new Diary of mine was published today on the SANS Internet Storm Center website. In this one, we’ll take a look at changes in SSL/TLS support on web servers and e-mail servers during the 12 months of 2024…

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...

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 current state of adoption of TLS 1.3 and disposal of SSL 2.0 and 3.0…

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...

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...

A Diary of mine was published today on the SANS Internet Storm Center website. In this one, we’ll take a look at changes in the number of web servers, which support TLS 1.0 and TLS 1.1…

A Diary of mine was published today on the SANS Internet Storm Center. In this one, we take a look at the increse in support of TLS 1.3 by HTTPS servers and the decrease in support of SSL 2.0.

One of the side effects of social distancing and self-quarantining due to COVID-19 was a large increase in the use of VPNs (and, in some cases, different remote access protocols, such as RDP or SSH) by companies around the world, so that their employees might work from home. I was wondering how large this increase would be when compared to the usual state of affairs. To determine this, I took a look at data I gathered from Shodan over the course of March and made couple of - hopefully interesting - charts.