Third unsuccessful DDoS attack

Published on March 2, 2020 by

We were again under DDoS attack on February 11, 2020. We received 177,261 HTTP requests in a time span of 2 hours from 2,682 unique IPv4s.

As always, this attack was not successful (it had no impact) and was only noticed due to looking into visitor statistics.

The second spike (February 27, 2020) was due to someone trying their luck using the Acunetix vulnerability scanner from the IPs and We tweeted about it:

Here is the full list of participating IPv4s in the DDoS attack:

Smaller attacks in December 2019

Revisiting the previous months, we found other unsuccessful attacks in December 2019 that were small in size.

An attack on December 11, 2019 consisted of 31,866 HTTP requests from the IP within 25 minutes – from the user with the email address “”. That user signed up with the IPv6 address 2a01:cb1c:3e7:d500:2cbc:202:4e89:793b. A separate blog post about this attacker will be published in the next days.

An attack on December 17, 2019 consisted of 80,724 HTTP requests from 115 IPv6s and 8511 IPv4s in a time span of 5 hours.

Other attacks happened on December 20, 23 and 27.

Related articles

Newsletter 2020-03-23

Published on March 23, 2020 by

March 2020 Updates How we prepared for the current global situation We have ordered and deployed 180 TB worth of enterprise storage to be prepared for upcoming price increases and shortages of hard disks. We are reading reports that warn of upcoming delivery delays due to disruptions in the supply chain. We tweeted a picture

Decoding the US Death Master File

Published on March 19, 2020 by

“The Death Master File (DMF) is a computer database file made available by the United States Social Security Administration since 1980″ according to Wikipedia. It is available here but costs $2,930.00 anually. The file has since been posted on the internet for free, including here: November 30, 2011 May 31, 2013 May 31, 2013 This file can

An OSINT investigation into one of our attackers

Published on March 5, 2020 by

On December 11, 2019 we have received 31,866 HTTP requests from the IP Below are few sample log entries: – – [11/Dec/2019:13:52:37 +0000] “POST /login HTTP/1.1” 200 7448 – – [11/Dec/2019:13:52:37 +0000] “POST /login HTTP/1.1” 200 7443 – – [11/Dec/2019:13:52:37 +0000] “POST /login HTTP/1.1” 200 7447 – – [11/Dec/2019:13:52:37 +0000]

Search the blog: