A major wave of ransomware called WannaCry / Wcry / WannaCrypt has hit many organizations around the world, causing panic among many users, system administrators and security professionals. The details of the ransomware have been covered in detail at other posts
Everything you need to know about the WannaCry / Wcry / WannaCrypt ransomware Player 3 Has Entered the Game: Say Hello to ‘WannaCry’ Massive outbreak of ransomware variant infects large amounts of computers around … Read more.
I published an article on IBM Security Intelligence on The Apache Struts 2 Vulnerability and the Importance of Patch Management.
The post describes a vulnerability in Struts 2, a free, open source framework for creating Java web applications that allows attackers to execute arbitrary code.
I published an article on IBM Security Intelligence on Simplifying Risk Management.
I have been using Shodan, “the world’s first search engine for Internet-connected devices”, since a long time. Recently I switched my free account to a membership account. A membership account allows you to do API queries with additional query filters (for example restricting search results to specific countries).
In this post I describe the results of querying the Shodan API for ICS (or related) devices in Belgium. These results are entirely based on what is … Read more.
A couple of days back the financial sector in Poland was shocked by the news that the Polish financial supervision authority was hacked and was used as an attack vector to get access to other (mostly Polish) banks.
This is a very short summary with some IOCs (Indicator of Compromise) that you can use to check your logs and verify if you are affected.
Note that most of this information is composed from information found … Read more.
I received some unusual calendar invite spam. In total in consisted of 4 messages :
a calendar invite quickly followed by the cancellation of the invite a new calendar invite the cancellation of the last invite
Calendar invite spam isn’t that uncommon but compared to the total amount of spam the amount of calendar invite spam is still fairly low.
In this case I found the series of messages (invite – cancel … Read more.
I published an article on IBM Security Intelligence on Don’t Let Remote Management Software Contribute to Building Botnets.
I made a slide-deck on integrating MISP and VMRay in your incident management workflow.
MISP EcoSystem – Threat Intelligence, VMRay, MISP from Koen Van Impe
I’m a happy user of MISP, Malware Information Sharing Platform & Threat Sharing. MISP core already contains a lot of features to satisfy your needs when it concerns threat and information sharing. But there’s always room for improvement. If you submit a feature request, MISP can be extended with your request. However changing the core is not always desirable. Also sometimes you want some feature to work just the way you want it, this doesn’t … Read more.
I published an article on The Krebs Attack: Sign Of A Game Changer on the Ipswitch blog.
This article lists the new wave of large scale DDoS attacks against KrebsOnSecurity and OVH and how the release of the Mirai botnet source code can leverage new attacks. I describe how this influences the risks you have to take into account when protecting your infrastructure.
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