Tesorion has a clear vision, it wants to be relevant and contribute to a cyber-safe environment. Our experts encounter new threats every day at our customers and during research. We are happy to share the knowledge we gain in improving cyber security, minimizing and resolving these cybersecurity problems in this publication section in various ways.

security Blog
22 November 2020

WannaCry and Mirai: old malware presents new threats

Organisations protect themselves against new forms of cyber-criminality, whilst old variants of malware can still cause considerable damages. It follows from research of Tesorion that Mirai and WannaCry are still…
5 November 2020

Behind the front door

When I came home from a nice night out with a friend last night, my mother was concerned and a bit upset. I asked her if something had happened, after…
BlogTesorion Immunity
28 October 2020

Home-working during pandemic: door closed to coronavirus, door wide open to digital viruses

At the moment, we are all working from home on a large scale again in the Netherlands. After the summer break, the number of infections has increased rapidly and meanwhile…
suncrypt Blog
8 October 2020

Shining a light on SunCrypt’s curious file encryption mechanism

SunCrypt is a ransomware family that was first discovered in late 2019 but is currently in the spotlights as the operators claim to be working with the infamous Maze cartel.…
Cybercrime in transport en logistiek BlogCERT
5 October 2020

How do entrepreneurs defy cyber-criminals?

Cyber-criminality in transport and logistics October is cyber-security month. In the latest version of the trade journal ‘Transport & Logistiek’ attention is paid to ways that entrepreneurs can defy cyber-criminals.…
ranzy locker ransomware Blog
1 October 2020

Ranzy Locker (ThunderX 2.0): decryption still possible in some cases!

Last week, we published a blog post on our analysis of the new ThunderX ransomware. In this blog post we also announced a free decryptor for ThunderX victims, available through…
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5 November 2020

Old malware variants WannaCry and Mirai botnet remain a threat

Organisations fail to patch punctually and adequately  Leusden – Malware of about three years ago, e.g. the ransomware variant WannaCry and the Mirai botnet, still appear to inflict damage. Cyber-security…
5 November 2020

Z-CERT and IT security businesses join forces to work on digital security of healthcare industry

IT security businesses sign letter of intent about sharing of information via the Healthcare Detection Network AMERSFOORT – Since the outbreak of the coronavirus crisis, the Z-CERT Foundation, the expertise…
NewsSOCTesorion Immunity
26 October 2020

Explosively more malware on business networks after return to the workplace

During the intelligent lockdown, the number of malware notifications on business networks decreased considerably, after which it increased explosively after the return to the workplace. In March of this year,…
Martijn Hakstege News
16 June 2020

Tesorion appoints new management team

Cyber-security specialist takes next step in development LEUSDEN – From 15 June 2020, the Dutch cyber-security specialist Tesorion will have a new management. Martijn Hakstege takes up employment as the…
Tesorion biedt hulp ziekenhuizen NewsTesorion Immunity
27 March 2020

Tesorion offers assistance to hospitals in Italy and Spain

Vulnerable and overcrowded hospitals are targeted by cyber-criminals LEUSDEN – The crisis surrounding the coronavirus does not bring out the best in everyone. Whilst doctors and nurses in Italy and…
corona malware NewsTesorion Immunity
26 March 2020

Exponential increase of malware since the start of the coronavirus crisis

Undertakings step up investments in cyber-security LEUSDEN – To cyber-criminals, a crisis almost always means an intensification of their activities. This can also be noted clearly during the present coronavirus…
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