Ask us a question

You are here

Cyber-Security Incident Response Team (CSIRT)

Prepare for handling potential incidents and crises
Immediately respond to an emergency or security breach
Learn from past incidents to improve your resilience

Cyber-Security Incident Response Team (CSIRT)

We provide our CSIRT services on a continuous 365x24x7 basis to react quickly to incidents and guarantee the availability of our resources during critical periods.
In the event of an incident, you can reach your CSIRT contact on a dedicated and secure communication channel and will we immediately assign the technical experts required to resolve the incident quickly.
With a pool of specialists in various aspects of security and technology, working with the National CERT (, we provide a full range of services and support solutions to help you handle incidents and manage crises:

Before an incident

  • Defining a Cyber‑Security Incident Response Plan  
  • Designing the Cyber‑Security Incident Response Organisation
  • Watching security and cyber‑threats trends
  • Simulate, practise and validate incident‑handling in our CyberLab

During the crisis

  • Detecting and identifying Cyber‑Security Incidents
  • Handling a Cyber‑Security Incident (contain, eradicate and recover)
  • Communicating during a Cyber‑Security Incident

After an incident

  • GDPR breach notification
  • Learning from past incidents
  • Digital forensics

Our practices are based on the principles and the guidelines from ISO/IEC 27001, the NIST and the SANS Institute,, the Cyber‑Security Incident Management Guide from the Belgian Cyber‑Security Coalition (c).
Our CyberLab services are provided in partnership with THALES BELGIUM.


The digitization and globalisation process has opened the door to numerous vulnerabilities to cybercriminals. These weaknesses make information security a critical issue for all organisations.

Cyber‑security is a hot topic in all industries, as well as in the public sector. Except for larger organisations, most do not have sufficient internal security expertise, nor can they afford to have their own dedicated CSIRT. Cybercriminals tend either to look for easier targets or to target giants for their own glory.

Also, very few organisations manage their security in a comprehensive and dynamic way, leaving potential vulnerabilities open. This means that the risk of a cyber‑attack succeeding is very high.

The frequency of incidents is increasing rapidly. Ransomware and other virus attacks, identity thefts, website defacements, data privacy breaches, internal fraud and Denial of Service (DoS) attacks are just a few examples of unfortunate incidents that endanger your business or service.



Our CSIRT services are worth their weight in gold whenever you need to handle cyber‑security incidents and crises efficiently. Typically:

  • Before any incident occurs, you want to be prepared for handling incidents and crises in a structured and efficient way,
  • When an incident occurs, you want to quickly and effectively detect and handle them so that you can reduce the impact and any negative consequences,
  • After an incident, you want to learn from past incidents and improve your processes.

During this cycle, communication with both internal and external stakeholders is of critical importance: partners, customers, media, authorities, law enforcement agencies, National CERTs, etc.


Are you under attack? Not prepared to react?
Then contact us without delay!


Client references

For more than 8 years now, Approach has been providing application security consulting, support services and security watch services to bpost

“Edenred takes privacy of its customers and employees very seriously. In Approach we found an ideal partner to help us assess our maturity level against the General Data Protection Regulation, establish and drive a roadmap with the objective to meet our compliance obligations.”  Koen Reyniers, COO BENELUX EDENRED

Publications & events

Published on 14 December 2017

Approach service offering and mission - brochure

We enable our customers to succeed by delivering state‑of‑the‑art solutions to cyber‑security challenges.
Read more

Published on 26 February 2018

Can we really trust an antivirus when it comes to unknown threats?

Approach CSIRT Team reproduced a similar attack in its lab ...
Read more

Published on 27 February 2018

Securing your company against SPECTRE/MELTDOWN

Many articles, security bulletins, news and papers have been published so far on how these vulnerabilities can be addressed.  This article...
Read more

Published on 04 April 2018

Rise of DDoS Amplification Attacks

Since the end of February 2018, we’ve seen a rise of DDoS Amplification attacks, with in some case more than 1Tbps of traffic generated. ...
Read more

Published on 09 May 2018

The mechanism of a targeted phishing attack

Several cases of targeted phishing by email have been reported by some of our clients.  Download our white paper to learn more about...
Read more

Published on 05 June 2018

Approach is recruiting IT Security experts

The Waldorado team from RTL TVI visited us to know more about our activites and the profiles we are recruiting.  Watch the movie !
Read more


Mechelen - Lamot Congres(1 day )

Approach at the Belgian Cyber Security Convention

Our cyber-security experts will organise an interactive game "How I hacked a folder". Be one of the actor of this...
Read more

Published on 12 October 2018

How do you deal with low risk level vulnerabilities ?

Nothing should be left behind when speaking in terms of security...  A story by David Bloom, Cyber-Security Consultant at Approach.
Read more

Published on 12 December 2018

Approach is now ISO 27001 certified!

Approach has been awarded certification for ISO/IEC 27001:2013, the widely recognised and respected worldwide standard for Information...
Read more

Published on 21 January 2019

Why should your organisation go for ISO27001 certification?

Digitised services are exposed to a broad spectrum of cyber-threats attacks. Obtaining the ISO27001 certificate can be a...
Read more


Brussels Expo (2 days )

Approach at Infosecurity Belgium 2019

Join us at Infosecurity on March 20th and 21st !
Read more

Published on 10 January 2019

Approach is nominated Trends Gazelles 2019

This nomination is a nice recognition of our sustainable...
Read more


Web Contest (19 days)

Master CyberSecurity Tournament: Approach CTF is ready!

The students in Master CyberSecurity will have 19 days to find more than 20 flags. 
Read more

Our approach to cyber-security

Our customers benefit from the expertise and talent of our people, combined with pragmatic and proven methods and the efficiency brought by our assets:


Expertise and talent

Since 2001 we have applied our experience in cyber-security gained in various industries, from small to large businesses. Our people are seasoned, certified professionals who continuously improve and extend their knowledge.


Pragmatic and proven methods

We rely on most recognised, easily auditable and adopted standards and good practices and apply them pragmatically. We always tailor our approach to your particular context, needs and organisation culture.


Asset-based approach

We make use of the most advanced and reliable tools and solutions to support our services. This enables us to be more efficient during delivery, enforce the use of standard auditable methods and provide transparency about our achievements and your results.

Certified professionals
Success stories
Year of establishment
+ 0%
Average annual growth